207
"‘\. /~ /< <;~‘> .'. /__ "-/’ /—~. -15, O1\'l'D.A. SHOP MANUAL C70 ' I. .. ' -- '1 '--::.'......: I';:".'-"555? ::- :: -FII35 5'53--'7'3§:'-E" . '

Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

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Page 1: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

"‘\. /~/< <;~‘>.'. /__

"-/’

/—~.

-15,

O1\'l'D.A.SHOP MANUAL

C70

' I. .. ' -- '1 '--::.'......: I';:".'-"555? ::- :: -FII35 5'53--'7'3§:'-E" . '

Page 2: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

h IIIFBRTMIT SAFETY IIEITIEE

Indicate: H‘ strung nrmibllfly nfsrwrr ,I:'.rI-unul mm arias ufflfie lfmnmm.-u amnnl ms» mr.

CRUTIDNI I-'m‘I1'-fin :1 pm:-fbi£fl,1' nf pmwrw-' |'n,r-ur_v ur cq-ulpmrn: -nlarrangir if immwrinn: are nu: fiaflowei

DEIIHECI dfltflpllnns d1‘ itifldird workshop pruuadmai, safer»; prindpiaa, and qnrvncn upgmium Ir‘ |1|ut|nclud||d_It II |1'l'll§lfll'12I'l'l'I tn nu-tl that this lTE|‘lL|B.| cnnmlru. some warning: and flurinnq qggirrai nml amdfiu survive ninth--Udl W|"l|G|'l cuuld EBUII FEREONIL INJURY ISO flrultl bflfnnrlll (I |:;r|.|Id during 5 ulhiflq qr rgnpfgr 11 |_mgu!q_F1845! I-1I'1d=B1'lT-Bfld ‘III! 17105! '-I‘mH1i-flgi Dquld mt cmrlr 51! oonnlivubl: my: in which ierlnce, wh-&Ih|:r nr_ notFlm"""""!"'5=l‘1 1'-W Humtln Ififlhl bl ilflfll fll B7 ‘U1! pflflibli hue:-rmu-.1 :flfl|=q\llrIc=i cn‘ each mnoaiuablu way, nur|:|:I-uld Honda unvasrlmta I|| uunh warn. Anyone udrlg 11-rwlm |iI"DCIl2|\|l'Ii_ or tools, whether or nut re-|:urnrnam:Ieflby HONDA must aan'sFy h-l'I'1'1iE” Hlwnughfy lhnt l'lI|l|'lIf plfsunal safety nor ualflcla ufelv wlill be iauuardimd |.'|\,rthfl I-H11-'|rl.‘|! methflfli ur Tu-tllli illiutad.

‘K’In — —

Page 3: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

H-.

u-—\..- 1

1'“-

r"~-

3""

/"~.

F“

IF-

_,|-

d__—-

cto AHUW 'l'[| USE THIS MMIULI.Frallctw the Mairttertance Sflhcdulu fgggmmtmdutiolis to ensure lltat the ye1|i|;||g i5always in peak operating isnnditit-.-n. Perform-ing the first ttt:|‘|~|11rJu||.tr.i maintenance |5 very.-impartarit. It cttrnpensatas for the initial wearthat {llIE.1JF5 rlur ing the |:|r-zal-t-in nerFr_'|d_

Sacti-ans 1 thrttugh 3 annl-,r to the 'l'l||'hQ-|flmotorcycle, while sections '11 through 1?dc-scribe parts of the muturcycle, grnuneaat:-tsnrriing tn In-r;atinn,

Firirl the section ‘|'D|.l want an this page, thenturn ta tha tabla ui tnnt-ents |:|n page t Qtthat $s't:t|¢.1n.

Must serztinns start with an fl5st3mi:||y ursystem irlustrallari and specificatrnns, torquevalues, ganaral instrui:tians_ tools and 'lri':iu|:iFa-shunting far the satttltm The subsequentD6965 giirfl dilfililfld nrncettttres tor the section.

ll‘ yau d|:in’t i-tirtuw the sir:-urtpe of the trciub-|e_se-e iatttinn 15, THDUE-LESH DUTING.

Hater to the adctandum at the hank af theshop manual 1'0!‘ infnrmatign un the IQ-B2ETD.

ALL H-IFDHMATION, ILLUSTRATICINS. DIHECTIDHS AND SPECIFICATIONS IM-CLUDED II“-I THIS PUBLICATION AFIEBASED Di‘-.| THE LATEST Peuuuct rmFORMATION r1VA|LA£LE AT THE TIMEUF APFHUVAL Ftjln PRINTINGHONDA Mt':|T|I:-H C-:1, Lrn. HE5E|=tyE5THE HIGHT TD MAKE CHANGES AT ANTTIME WIIHDUT Nutice AND WITHDLITINCUHHING ANY DHLlt3ATtUN WH.=.TEVEH. HO PAHT OF TI-H5 PUBLICATION

i MAY HE HEPHDDUDED WITHOUT watt. TE?-J PEHMFSSIDN.

HONDA MDTDH C-U., LTD. _

ENGHE

G EN E RA L IN F DHMATTDN

LUBRJCATIDN

INS? ECTIDN AND ADJ USTMEN T

FUEL SYSTEM =AE HG I NE Fl EMDV-it LII |'tlS'|"A L LATIDN

CYLINDEH HEADNALVE adCVLIN DE HIPISTOH

E

CLUTCH dGEARSHIFT LINKAGE

Ii

TRANSMISSIDNIDRANKSHAFT

CAM CHAIN TEHSIDNEH

CHASES

F RDNT WHE E LISUSFENSID N _L D-J

Fl E A Fl WHE E LISUSPENS ION -I‘. DJ

BATTEHYICHAHGING SYSTEM

IGNITION SYSTEM

FHQ

E LEG-TH TC STAR TE H

EWITCHES

THDUBLESHDDTIHG

S-anriaa Publications Office wmms DMBHAM

Datfl ttf lssu-is: NOIL, 1951‘El HDNDA HIDTDH ELL, LTD.

aae'32 ETD ADD E HDU M

Page 4: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-Iona‘na.ctnMIJIIEL IDENTIFICATION

I It.' ;.-f

.' i I.

I J d |- "FE ,‘._ '-‘I*_.'-. - - - 3

'_ E

I_i_ ,

III

\ .we.r .—"'

TI'IB Ifflme -}ari.;|I r|t|rrthur is slafltpéd IJI1 lII'|B I'I’DI'I'1'l'it I-III I-II-IllI]ahI||cI the tide cover.

The e-tqing strriii nurr|I|qr is :It1n1|'J|-ad 0:1 IIIE IDWBF IEI1 crankLBJB.

The Vahictu Identification Humhlr it rm the '5-at-My C-err!"qriurt LnheIon1h&Irarna's left tide.

\The :,arb4_[et1;r:t-r i|,'Lur\tiIir:l|nn |1umI'JI!r ts stem-pad on 1ID|:| 0-‘the carburetor fume.

Date uf Issue: ‘May. I935§_'-IHDNDA MD TOH CCI._. LTD.

_h

_.~'--_

..._L'I

-1|

*1

1"».

“H

-1

--"w

.1-\

Page 5: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

~i%§¢§?"%%”“I . GENERAL INFIIRMATIIIN

In

.-'_.1

/"'\,|

I-\-

_r"-.

Ff-e

IF-"

a“"'*. I

GENERAL SAFETY ‘I-1

SEFIVICE FIULES ‘I-1

SPECIFICATIONS I-2

TDHDUE VALUES I-4

TCIDLS ‘I-5

. _-_

CABLE 3: HARNESS EIULFTING 'I—B

MAINTENANCE SCHEDULE ‘I-B

EMISSIDN CCINTFICIL SYSTEM 1-5

GENERAL SAFETY

[M-II Irhr rnginr mmrr be mania; to uin mm wt-mit, math-sure the ems Lt‘ itch‘-tleariiutigd, ,'IIIrti¢',|' rm-| my enginein II‘ riruwt arm. Ht: en-Jamar ca-n.r-urn: nnismwm-nsrbnn monoxide gels.

Eitercihre I: exrrertmhi flammable and is -t'.tt,tI.ItJ.ts'ntrHnrffr -rtrrmtirt rrlnditiunr. Lin not smoke air III‘-cwflumexur sparks In your wrists; mes.

SEIWIIIE IIIILES

design speuzlficati-ens may tilemege this nntnrsycle.3- Use the special tcctls designed T1',I|"TI'|Ii pm-|;Iui:t_3. Use only l"l"lETI'IlI Inn-ls when servicing !I'tI: n-nturcyi:,iu_ Metric Iitfl-I‘I:, hull, at-tit ntrnws are not Intucluingaable with Engllgh

The -Ivmrm-_y eiercioiyrc contain: .:m.[|"'|.rtI'|':' m-int. -H'[rF£:.I‘.IwIi1' ¢:I-'-H. 1-It-in me‘ starting. In me of ccnnttct, Hid:I-Imruu_|;Itt[t= wt'.*It mtrcr end -t-uI'I' III deem: If nlarrraijtrrerel: In your tI_t't*.\i.

TM bdrffly gcnieretes hydmgm gar which curt -In:Aigailv rxpfosfm Du nor make nr n.II'u-w fluntirs or.spn-rl.-: near Eh‘ Ira.I‘trr_t', eqxchlbi i||.=.tI¢|I|I|: margin; Er.

I-Ii" liI'""'-1I"B HUNDA nr HDIIIDA-rec:tmn'ienr-Id! parts ind: Iuhsicents or The-Ir equivalents. Part: that don't meet Hence’:

IflEIEI'IErs, TI1: use cf inccrtect taut; e.I'trJ llittlnrrri may der-neqe the n-|amn,:yi;.Iq~_4. Ins!-all new gaskets, D¢in|;|s, ccttm pins, I-ucit plates, etc. trmen renssinnialing.E. Wltttn tightening bu-Its at nu-It, begin with the Ierger-iiiamutn or inner he-It first, and Iighlnn ta the specified I;t,||-qua yilugg

itiaqc-nally III 2-3 I-ltrpr-. unless a IIIiI‘|II-£LtI:t ttqslflrlcc is specified-5- CIB9" FWFH I" H0"-Tlflmmabifl Or high llttsh point scIu'e'nt upcn dis-lsscrnhly. Luhricete any siittlrg ;t.tr|';|m; hefcre reassemblyT. -"’i'Il=r rlisscntily, check :tI1 parts Inr prune! Initellettttn en|:I uni-itin-n,

Date-at I=.a.ni.~: May, I961] 3 1 _ 1EHDNDA MDTCIFI C-0.. LTI3.

Page 6: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

G ENEFIA L IN FDHMATIDHI-I£lE1¥lfiD.l\.|

SFEIIIFIIIQTIIIIISITEM

DIME N5-1DN5

FRAME

Dvlrnll llnqthDvarull widthUvflnll heigh:WheelbaseSear helgl-11Fn-utp-sq heightMinlmmn grnurfl dmruhmDry weight

TvulFmn: gugpenflun, [uniFlair iu.q:lminn,1.'ra1.Il|Fmn: llre 11:2, presmraHair tlr-I me, are-sauraFm nl Intuit:HBIF brakeFurl rlpl cit-,rFuel tamrva l.fl|I0l1Z'|lCairn’ willTrail

1.305 rnrnBB5 mmQ95 mm

1.180 mmFED mm250 mmI-Ill mm

B15 kg

Backhu nu

1T1.1 inl120.2 inl139.? lnlI-43.5 Inl119.9 inl110.2 inlI 5.1 lfllI IE-4 lb-I

Lflldlrq-L inllSwlnqirm2.25-I I-HF!-'t2.50-1?-EHClhll upnmrmi llndlrg in:Had up-armed Ina-dmg shoe11.0 lit H.125 U5 Bil. 0.58 Imp gnlil0.151 Ill 10,21 Ufigai, 0.'tB lrnp gallB4.

TD mm 12.H lnl

55 mmB0 mman kq.*cn'|:2.5 km‘cm’

12.2 In]12.4ln1125 pxil140 psil

E.NG1NE I Tvu-ICyllndar arrarngamantEma mu mcflcuDisplacementCurnpruslu n rs: inVim lrllnMaximum hu-raapuvmMaximum mrquaUll qDI¢it'||'

LI.flJri-Cllidfi :1-rtnmAir filtrationGqrllrlllr cnmpresflnnIntake vulva 0|:-um.

GinsuExhaust value 0|:-an-5

|:|U'i-I-‘IValve clmranaa [Co1d1

Enqma weigh:Id]-I spud

Air cuulud 4-illflllsnqm, lnifiinad ao°1=mm unrtlculflflxHAmMLfi:LfiM|1'2 um‘ 14.-I uu nu8.13:1Chum driwqn overland mmmuh5.0 B!-|P."1',0£I3l rpm0.55 hq-rn."5_ECKI| rpmDJ Iir 1fl.?4 U5 qr. 0.52 Imp qr} nflur dlmsllmbli0.0 lit 10._B5 US q1,0.531m|:| qll lfilf drllr-FrgFund fl|'BI.11.I'E and wet-aumuF-BIII1‘12.5 : 0.5 l¢q.'cm= 11'.I'B 1? pair:u” arm:

20" man:. I25 Ham: ll'||'TlI11||t5" ATIJC

IN: 0.05 mm 10.1I.~l2in|\El." 0.05 mm |U.lIJi'ln11B kg 130.? lb?1,500 :1: 100 rpm

GA-FIBLFH ETIDH Garhmnur I'f|'JIldcrlllfilz-‘Hun numb-erPllnt screw Initial fittingFlam hm-I

Filtun vulva, 14 m1'n10.55 inJ vervrturi L-are'Bflr PB32A'-ET‘ PBIWCSH page 4-?H1? mm [0,-I12 In}

1-2 * Date M‘ Issue: May, 1_9BU'Eli-IUNDA MCITDH C1'J., LTD.

.-="-"1

"'5-

-*1

-Fm

’_"+

/_'-.

.»—=.._- |

|'_I. II

Page 7: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

F"-"-.

I-‘In-_

“I

""1

"1

1'“--1

r""'~

F-‘ll

n“"‘\-.

“'“I=‘?'I3”“ E-EH ERAL INFD FIMATI DHv _ _

ITEM

DFINE ‘|"i'-‘IAIN 1 C1|.rt=hTranuniannnPrimary rei.‘i1:|I!tI0r|Final raduutiunGear ratio IGagr ruin llGnr ratin-IiiGmrshifi pattern

i ELECTRICAL ignitinnPaint 98:3lgnltian liming "F" rrnlrkF1..liill21l.lIl'lOI

: Stating system, G-anlratur

Banary I31-Zlfll‘[\'Splfh ping

Ba-lrk mun maFuse aanatfltv

LIHTS Hndiiqht 1high.I'lnw hnmlTallfunplighlTurn BiflflliSpeadnmatlrNu-uml India-|u:rrTun _I1Il1I| indicatorHhh balm in|:Iic.at|:|r

Wu muiti-ptata aummatic nuntrihqai3-spud mnillnt mI!!l'I4.0531.5213.???1.11221 .190Ln!-r fnul Upflffltflfl re-tun :-psram H-1-2-3

Fiywhaal rmqruam0.3 -- 0.4 n1n1i0.0I2-0.-iII1fiiniI15* awn. Sum:an‘ aruc at 3,1911 rumKick nlrtlr ariri mrtlr ninnrFiywha-alA.C,g:ar1a|r|tur E7 '|'iI.15_.iII0 mmB1.I'~11AH-

icmmnalFor nu-Id .-Jlmmu Fur vuiendnrl highbubw 5°C, 11°F STANDARD -spud D|JIl'l11Dl'l

Qaai ad F65 ' Ha .~a.1'-.=__u2m=a can uzzrs cm-is umaa ' canIu2nFsa lcnsnsi liufizrsn [CHTPHSI |[UL1;4FSH i0RBH5i|._'.Li. .1

i0-5 — 0.1’ mm 10.014 — 0.023 1|-1,1IDA

T.

l5.|'1E‘|'iI5.3|"25WWW1.7171‘1-'I"W11'Wl.'i'W

3.-'.'i1'=|=21c:p

IFFI1w1\=P‘IE9

aaa 010.113SAE Nu, 51EAE Nu, 51SAE ND. 51$15. E No, 51

Data of laturr M31, 1050EIHDNDH MDTDH EU‘... LTD.

E 1-3

Page 8: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

GEN E HAL INFO Fl Ml. ‘HUNHenna. '"-1...1:10 '~$§,»'

T011002 '1'l|.|.|E§ENGINE

ft-1b1 _

Cylinder 11.11.1111 l:rn'|:rCamshaft spvru-1:1-letClutch 1:11:11. nut 1Final driwr aurwkatFlywheel‘50211 ativlnugr -I-I-ru-11:|:|.h

1i

@130’-13-U'|m

- - Turquc1 . Thraacitam '0 tv ma. [mm 1-“Elm .

-1- 1I D 0 — 1 2

1-.-S--lg;--.1

.50.5-0.9 -T3.0--1.5 -331.0-1.-I1 -11]5.5-0.5 -4?0.0-1.2 -9

FRAME _mm | G W Th-rear!

di-a. (mini _'Ternuw

Irg-m H:-ll:' Steering rtam nut |

Har1-cilabaraa-rtinq nur.Shearing in-ckFmnt axia nutEnglnu 11|n|j1|r bu!-1Hair axle nutFirtai driven sproairutHear braita tr:-rqua linkFlea-I |hn|:i< abm-rberF0121 nag5-wingarm pivot lznhFrflnt mmlrmun nivnt hnitFrnflt 1u1nen1Furr stunner bull.Fnunt 51191:-it absorber upper hair l11.'ll\.‘l-111.1-I-h-II-r\.:.h-1-n.J--|~,}|q-.-|

IIIii_l.

mmmumuuuuuummfi-IIIF mnt tu m aignai :!.a',r

15.0 — 0.02.0 - 3.00-G -1.33.0 - 4.02.5 — 3-511.0 1* 5.02.0 - 2-51.0 — 2.02.0 — 2.02.0 — 2.53.0 - 4.01.0 — 2.02.0 — 3-02.5 — 3.5

| 43-65H-221- H

22-2918- 2525-BB1-1--15T-14

-2?

-IE3}:

1‘ I

-29-1.1

1»:-211a-as

0.35 - 0.5 2. 5-3.5.. ...__..-n...-_-- __

the atlndlrda given beiurw-

STANDARD TUHDUE "u"ALUE$

TOITII-IE IP-H-‘|1‘i\=I1i1=rI= limd lbmw are fur the mun irmnnmnr tigfiilning 1:1-Dinti. If e tulnua auacificstiun -is nut mire-a, |'u1hw.r

Turqua Tnrqul I

kg-rm 11-111 .|

iltam - 1'

_ ’ kg-m 11-111 : mm5 mm halt. rwt 11.115 - a.a -3.:-1 - 4.1 ' 5 mm -mw5 mm 11°11. "01 0.3 -1.2 0 -— 5 Gmm snraw5 T‘l'li‘l‘l 0011, I'll-I1 1.5 2.5 13 — 1B B mm flatge hn|t_ nut

15 mm 01111. T"-I1 3-0 — L0 2'2 — 20 B mm fianga belt, nut12-mm h-nlr. nu: i 5.11 - a.a as - as 10 mm fling: r~.-=11...-1.1

0.35 -- 0.5 2.5 — 3.50.?-1.'l 5- H1.0-1.4 7-1014-10 12 -223.0-4.0 22-29

1-4 1 0-ate of lssua; May. 1900EHDND-A MDTGH C-0,, LTD.

""1

<—~.

P“-"~.

“"71

"'3

"'1

.1-1"‘-\-_.-.1

-' '1.

.-1-1.

Page 9: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

1"“.r"'-"K.

-'-*-.

_"'_‘\

’?

""1

1--1..

1”‘-.

f'\

.3"-"‘.'\

{"1

GEN EFlA\L IN FUHMET ION

'fl0LS5PECl.P.L

Tupi Name T-pol l"-in. 'l1"I'r' Flaf. DIIJIJ

Valve midi: rflfllnlflrFlwmeel h-nlclai

wrnacm may ha used.Bali rat: rrrmuvar

Fin s-p-anrfltr. 30 mmValue guide driwr

0?5B#-055000002922 12111101]

1 Dpmmrrnlally‘ available hand flrflp

11‘04fl1?0D1'Il0

019131;!-uclruflflflmed?-1 1301110

COMMON

Tupi l'1l-I111:

M9310-2??-01??-4 1U.5~fl-. 0n1'r'1

11

1

11

T.m;|| N¢_ (Pry Alternate Tuul

ea, a-91.1.1, we

12-13

12-12,12-100-9

Tu-:11 1"-lo. Ref. page

F lpat lrnlil qluqll"|.I'||1r\1 guide re-rrnwar5.5 mmUnlwrial huldnr11-1.. adjunlnq wnmrh,B_:rr__0 mm-

"|"ra1HI lvI!l1Llfllfl-ll 'nwnch. B

L,-1:1-pl: nut wrench,20 11 Ii mmErlrtrrniln 11 mrFlptpr puller

Bearing driur l'liT\l1llI, A

Bauring driver miter.32 1: 3-5 mm

Earning clrlvar u-utar,3? 1: -'10 mm

Bearing driver pibt,10 mmBaarinig tlrinmr pi1r.|t,12 mrnB-"ring drlu-ar pilnt,‘IT mmlieu [M21011 ablclrb-aran nrpraarurHipplt manner 5.-1-5 1 5.1 mm

Valve spring cumptfltflt

Lm;R'nur wrench.20 11: 2-'1 mm

07401-0110300

07211-2-0010100

0l|"'|'2E1-00101111

D??D’3~0UI|11'I1

02208-0030-1111

07215-0020202

072154112050002733-00210001

0??-1-0-11110013

07711-5-00101011

07245-1111 0300

err-1a-up-1=u1m

urna-no-10200

071-111-011-11:1-inn

111959-32900111

aTr1r1-002112110

erramnruuea

0711641020100

U.S.A. nniv, rifnr toS,T,11l, No. -117

1

1

1

1

11

1

1

1

1

1

1

1

11|

\l'1!l1H'0-fl|J1l2lU I'IH'I;W!ll'

Cl1.11l‘;1F l"lfl-lad-IrIVCmnnvarualhr

l:11l B:-19mm efllahm:-a1r1d wrench

(‘Jam-1.111-ar1:irlIi|1'Il10'l!lB

1111mmring bolt

Driver 1111111111

Baring driver attach.

ltll

Ba-lrinp clrlvrur -ltmch

1 E

0T9-12-32510100

[1-T023-01100000

013015-350-0'11rrra4a-a1 1 cranen19-an-aanueuu02945-313201 DD

nremnaatnua.31' mm|JTii¢1-5-30011000.-111 mm

-1-5a-9

a.:1, aaa-a

3-5

B-3

5-31-I1-i‘

12-9,13-'113-9

12-9

13-'4

12-9

13--1

13-5

13-10.13-11

3-15

Vnhfl mrlaa urea:-arraeaar 6-5. 6-111X1I'l'1|I'I'iW|'

5-3, 3-1:1l .-

._ _

Data pf lsauer May. 1930@l‘1¢1"~l1L'lA MCITUR CD., LTD.

2 1-15

Page 10: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

TCNDnAHRDFmLAHENE0

WJW_WEEW

_________

_‘I

‘luv_F_

_____"?'

Ia‘

_H‘__

_____

G__

SMk__fiG.H‘_\__|_\ffi

mMMmm“___”

__

f(J”E

WWw

uH_HFQFW

%_5* _“Hfl___kwE%

0_T_%J __~Mg__5_M

_t____I___ ____HH

H_F_1QE_U_ET___mm___x_____ __|___fl__H_______GUK‘WW__‘_%‘M_%__n_}fk_in1

_____ I___g,___

i___UE‘Q2_____wLL_____I‘7

__I_c__|"|||_I. I;1‘|_‘III_1Zif

___"__|___m__HH|_|||_Ifl_:_H__I__-

rlll_||1.h|H_H._1_%_1_w“|_H_|_____1_P___‘____5%?___’EHX___________:$|_W_\___WIQ‘________w:|’\_€_F_qin_ufimW__/If____$_flf___.__

H8

NBUE_

___.

__

Page 11: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

F3

F1

Pi

F21

P.

1-""1

HON"-B_. C70 GENERAL INFORMATION

TH11:1J‘l"I'LE mats II'~--17 l "T'-?w_H__ .

SFEED1JlrlE'l'EF1 maua .- ‘-5- _

rnnm SHAKE mam _ _ I.I I

,'-I -H. I I I-_"' H _ —-_,_

BAHO 1'.’ .4 - _ .‘ _ . ,_5'.':‘ J2. '._ '-F

REAR

F“T_11" '11" -,

ll-;\-'\_.— _

{f_.-'é;’_. "'_' ll“-12¢ l -=1?‘ -. \-||l r__,- .

__ ._\ 'J _ H ___ ;’- Ill

1 ' '

.-r_-- .' I 1 F ¢ H‘. ' I

I-l.i.|1NE§

:3'--.

='5:-If-".F'."1;1.;-" .1

1. .---=1_

1'1.‘c

l

'7.‘-= 111- l 1| 2 ’“.\

._____:|._...-:_.:_ .

l ||||" — j US, ;'=r- "" " . ' -.Ii

\' ~.I 11* '.-f"~,.»’_ -‘I

IGNITION 0011.

.1‘ i-HI ‘ll ‘ll

nIrII=l1.|-r — I -- 1|‘nEc111=1E1=| -,_ -"""""“ l '- ._, 1*

—r.r/L! _»=-_'f5I)/- -- .5.-1'-l‘-._\" .1‘--5*’-'~=i_-'_ ——B-l.TI'ER‘|' _ __ _-_-, __,___ -'1-W,-r’-”

_—i H.‘ "1':-_.|,-:2

."-1' PM

-'_F"'-Ifall~ ..l.-.2"I

-*".|- __—'

Datadf Issue: Mn, 1900an-ruuna MDTDFI up-., 1.11:.

9 —

1-7

"1 __ if l

lfi , 1"-'&' I | I

. - l

Page 12: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDA.-’GENERAL INFORMATION [:10

IMINTEIIMIBE SGHEIIIILE

I-123

i_ .._, _ . ____

INSPECT AND CLEAN, ADJUST, LUBFIICATE, DR REPLACE IF NECESSARY.CLEANREPLACEADJUSTLLIBFHCATE

FREDUENCV‘ WHICH EVER

__ 1= marT‘ I-

ITEM EVERY

P-mnrm 1h: PFIE-F1 llI|l'; INS-F'E1T.'1'l0i"-l in 111: 111.1111:-'5 I1.'h11Ll1:Fal éuch scheduled 11m.111'ar1:an1:e p-arind.

. C

CDDMEFER READING INCITE 3,1(111111 ES I

’Fim‘1:rE100 m1 2,5-I'll] rr1'- 5_,l'.l[llIJ 111l 2,500 11'|l ta page

11,000 llml H.000 l1I.fl1I 13,000‘ l¢I'I1l |12,DUO I";I'I1l

I

I-

i

FUEL LINES 1 I 1 3'-3

THHDTTLEDPERAHDNCAHBUFIEFDFI IJHDKE

TEM5

ED

AIR CLEANER NOTE 1

CRANNCASE EIREATHEH NOTE 2

1 I 1 S3l I I 3-1

C = C I-I 3-11-

CLEAN E'u"EFl'1" 351,2511 rni 12.:1n1£11<m,1

EMSSCINRELAT

0U

-I

I-

I-

sa.-111: 1=1.uc __ __ R Fl Fl 3E

VA L-"1' E C I. EAR A NCE-CONTACT BREAKER PDINTS

_ _ ' lGNl_1'l0N_TlIr'llNG

I I I 3-0

I R I 3- F

I I I 3-B

ENGINE OIL YEAH

ENGINE DIL FILTER SCREEN

CAM CHAIN TENSION

R

A

REPLACE E‘-'ER‘1"'1,250 mi 12,1100 11.111 2'2

. _I A 1- _.-1“ :1-a

CARBLIRFTDR lI'-‘Ii E SPEED I I I 3-10

EMS

anwRELATEDT

il

I

DRIVE CHAIN 1=. 1. 15111.1.-21111 :g§u_m1'1§11a 1-1-11 -1-1 1em-ranrr _11-_11;;i111f1=.1-1BRAKE SHOE '|'I.'EAFl

1 I 313I 1 113 _

B RAKE E-"r‘..'?1 EM W-_BRANE LIGHT SWITCH

HEADLIGHT AIM

1:1.u"rr.1-1 __ _

n_ Z1-15

1,_ _. ,._ 1 :1-15.,_ |_ i1 a1e

51.1] E ST AND1--Ira

NIDN-I:'1|1S

'lsu 51-151-151:1:-1

" ' '1"1'H EE LS,-'SP\D1(ESNUTS, EDI T5. FASTENERS I

:-1-115 I:1-113.111

_1, 1. 1, 1. 1,1.1 1 1_ _

I 1 I 1 a-1a_ _i_,_

I

-I-I

NCITE:

STE EFI_I NG H EAD BEA RINGS L. 1 , :1-1aSHIDULD BE SERUICED BY AN AUTHORIZED l'iUNIJA DEALER. UNLESS THE CIWNER HAS PFICIFEFIT1-DDI.5 AND -SERVICE DATA AND IS l".'1ECHA.1‘-lICALL'I1" CIUALIFIED.IN THE INTEREST DF SAFETY, '1.11'E HECID-I".-1I|IEND THESE ITEMS BE SERVICED DNL‘-r‘ BY AN AUTl-IFlU-111251: 1-11:111n'r1 DEALEFI.I. SERVICE MCIHE FREQUENTLY WHEN RIDING IN DUST‘? AREAS.2'. SER‘v.I'ICE MCIFIE FREQUENTLY Wl'lEN FHDING IN RAIN DH AT FULL TH RDTTLE. [I.l.S.A. Di‘-.lL"1"l3. FDR HIGHER DDDMEIER READINGS, REPEAT AT THE FREQUENCY INTERVAL ESTABLISHED I-IE-FIE

1-B 10 Date pf Issue: May, 105-III'51-IIDNIIJA MDTCIH 1I‘.'tI1._ LID.

.-\\.,_

.—1.1

-*-.

1-1-

.1‘-‘"1-.

‘1.

Page 13: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

-'--

F“-

Q FRHONDAr"- CTU GENERAL INFORMATION

EI|Il5SIl]|'I GIIINTRIIL S'|'STEl|IThe BTU is un I_|i|'}nI!|:1 with |L‘lI'l- r:a|'l:|i.ireti:w settings and uthar :ws1.I:rris ti: rlduu uarhun monoxide and h\IC|Il'}lZ‘itrh!_‘.Ifl umiigig |15_

E I H RUST S“r'STE M

Thu lmhilm I?=lT'|i-i5iCl|'I contra! wmarn ll |:i:|mp-used of lean UHLILIIEIIJI se1t|r|g:_ ufld nu ni-|.'||u:.:me|1n shuuld be made ermepl lull:spend anljustmiam wllh l|lE |.|l?'lI|‘|!|E ump si:--awTHE =1-thahsli rmi-ssiun izuntrul svstem is wparata from this urarlkizasa emission acntrul system.CFIANKCAEE SYSTEM

Tlw Erlgirr-I: il nu I-Iirlrrrl with -: cininrl 1:r=m-kcaan wmm in pruwrrt diicha-rqinq crankcase rmissinns lntrl Th: Itmusuhnru.

-351.—.\_ Blow--by qas is raiurmad to the cumbuntinn 'E|1Ef‘l‘l|JE'f !hruuq|| the air cleaner and the caaburutor.

.-n

.-"-‘\

,r"“‘\

.-"""~

.-1%J‘

‘J'-1

' Aiu Cleaner

*1"-' “ -=:::: Fr!-sh Air-Ii Bligiw-b'yGa.1

:7?

I|-

F

__ Transparent" Tultlfl

f-3 ‘El DrilIIPh.q 1

INFDHMATIDN LABEL

The Emiigig-n Cuntrul I-|1f|;||'|'|'|utiun Lghil in lnultlhll cl-n IHE :'\\'ll‘|QAl1‘lt iifl !|GB.

I |_ 1 "II. W11‘.H ,. ‘.._‘

.’ K "i‘

"-"el1||::e|I E|T‘||3ElCII‘| Cuntrui lnfurmataunDuh: :11 lame: Mu1|i'_ 1951] 11 1 -9TJHDI‘-IDA MDTIJH CD, LTD

Page 14: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HH_H_____“fix_\_J}NDU_HMRBUL

KgMETS_YSNmTAmHBULEWGNE

AfiEn\HR_is‘H:fi___l__

__\J‘bl

______ ____~__‘______:fl___________I___:Q

3_‘_ _________I __I___L_______________AF_ ___If3%{___

u_k%1__iIJ_My

%

F511

“_%“J‘_‘__ __._+h\\‘-§£mnqfin‘“L?\_____v__

_______%;§“HJflUfi!%?i‘fikxn‘V;F_£J:J_‘fiJ______m__\____________||'

___h___'____Ill

_‘_I |lF1.\__‘

_{Rx__ _A.gm!

J.fi;EP_I __fimiw

EMEGMKKNNAAHHCC__*|_TFAHMMH_

RWWDHGHDNAAEHHCHHM_H|WMRL_?UECFT

IL

MmmGEl_mCD“__E

SAGTHH

JHNELGAVT‘Hm

RC

WK“mwq_&w_MHMmflWETnflmwflmCH_CABHiEDN

7;_-

mm“BmmwmHM_mNME2102

Page 15: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I‘-‘I.

lh

|'—\

If--.

r""‘~.

.""-8- '

.*I.

HONDAQiéfij/' C70 2. LUBRIBATIUN

SERVICE INFDHMATIDN

THUUEILESHDDTING

-iENGlNE'.?-

ENGINE UIL LEVEL

ENGINE OIL CHANGE

$EIIYIIIE IIIFUIIIIIITIIIIIGENERAL INSTRUCTIONS

2-‘I

Z-1

2--2

2-2

ENGINE OIL FILTER SCREENCLEANING

CENTHIFUGFIL GIL FILTEFICLEANING

OIL PUMP

~=-'.'CHA5SlSfI=-

LUBFIIIIATIDN POINTS

2-2

2-32-4

2-?

Dll firter screen and pil pump inspection and maintflnnrloe HM L1! mid! W|‘ll1EH-I1 FBMUVIHG II"? WEI"!-

SPECI FIEATIDNS

|

Hewrnmandscl oll HONDA 11-ETFICIKE CHL 5-AE TUW-db pr mulvnlantMl senrlce cflaniilmtlon: SEDtblr vim;-:;i1iz: mm; L1: wad when the average temperature In upur riI.1|rI;|arfle is wllhin the indicated range.

Hepnmmwndud nil '|'l'5l=UI-|‘IIHl-

T T T' "' " |

I

i _ :.;|;| 1| l|| Ii‘ I l.1I F

.|_ I #-Ill|_ . _-|. Ill | ll ll _q_|

Tlp n-ieernnpeDil pump Bodv DI'BBl'Il'lDlI

End nlaarenpe

STANDARD I SERVICE LIMIT

. Appmrilmntelv 0.6 lllur IELEE U5 ¢i1l II -Ml I-'l‘|lfll';|E'final” [III wpluw U T Titer [l}.?:I LIE II|[I at Enpin-E assembly

0.15 mm |[|=.lJl3Bi1-il D.2{l n1m [H.008 FnlI111‘) - 11.15 mm [C|.ClEl~'1 — D.DClB -nil D.2lI| mm lD.DDB InlI102 — [LI]? mm IIILDDI EI.DCl3- inl IJ-I? mm IU-UB5 IFIJ

TIIIIIIBLESHDIITIHBDll level mp lowT. E1-lturn-nluil hanks2. Worn value pu lde pr seal3, Wprrl B-|:£D|'| rlrgs

Dil -annmmlnntlunI. Oil not phinppd pftlrn fln:Jll'EI‘l1? Heed gnl-iet1'uul't'|i3. Worn piston ring:

Di|IIElIIIIIi$1.-IFI M-=31. I950f.'IHD.ND.Pi MDTUH Ell, LTD.

‘I3

Page 16: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDA /.a;t.t@\Luen ICATIDN CH] _.__

(lEI'I[IIlIE>EIIGIIIE IJII. IIIIELEuhlloitt the mptdrwple un_ri!:ht pn Ielrel ground,Chunk the oil lees-I with the llller D!p.I'(.Iip$l‘I|;I|t, Dunot screw in the pep Wh|.'n melting miq |;hl5¢|-t, If theIBWI it bél-tnv Ihu lmutr lrnntl on the dipstick, IilltpUlit! up-per lwel merit with tl1e fE11'l'L'rrII-'|'|1t'-trl|;|l7d~|{r|"|g|l'|Boi .

EIIEIIIE l]IL IIIIMIGEMUTEI When elmnglng the oil, drelri the peed all hmii

Thfl Crflrlltlilhu while the engine ls warm ThuL ensures ed-mplete end rapid urelnlng.

Flurnoue the pil fillet l1B|Ilu'IIII[HIlCI€.

Pltloe en oil drain pen ullder the Eng-.|-ii,-, I|'Il:I- reman-the drain plug. When the all ha been oompletelytlflllhod. he sure that the drain plug sealing 1,-,-eel-lgr isIn good up-ndition entl Irutell the drain plug.TORQUE: 2.! — 1.5 ltg-m i'l-Ii - I8 H-lblPour the rt-wnmnnrled I-'lII [page 2-1| slowlv lhrouqhthe ell tllser hpte.

CAPACITY: 0,6 llter {'lZl.BE- U3 qt] e'l all dung

Install the nil filler trap.-‘clip-stielt. Start the engineand let it idle 2-3 minutet. Step the engine wetI'lE¢l= 1l'\Bt the oil level is ut the upper level rnerlt onthlt d=pstl|::lt with the m-ptprcyele upright, Cheekthat trt-are ere l"H.‘l ell leaks

EIIIEIIIE llll. FILTER SGIIEEIIBILIIIIIIB"CIT? _.

Fiflflrm this rnnintennnoe with the engine EIIIUdriinud.

Remove the front covet lower risht mounting bolt,Remove the ltielt starter pedel end murllur. 5|-l!:Ip-urtthe motmoytle 'Hili1 is mltohle stand end remove theIbfliptpsfside stand assembly.Flimfll-‘E The tight I-;l‘ill‘lI¢lI-il5Ii' coves,

‘BIL FILLEH CA-P.-‘DIPSTICK

__,

_|.

I _

.‘—\-.

Lowsn _____I.EvEI. LEV EL '

PLUG'-"|_l

F HUN T C‘-C|"-" E HLOWER FIIGHT

BOLT _G HAN IICCASE COVE R

. ’_""~

__\_

H-Hl'I_EFI PEDAL stamp _

2-2 Ditto of lsstlo: 5-‘lay, IHHEIEIHDNDA MCITCIIH C11. LTD.

Page 17: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

LU BHICATIDN

Flerflovo untl cleen sh-e pil filler sflreen.lnstell the Di‘: film,-r screen, right orenltcase pa-slteltlnrl cover. ltlelt starter pedal. mufflet and loutptgtiside stend assemble‘-Fill the craltltcese with the recommended I=ngInl! tl-II.Start 1315 mgirie and let it idln for I-3 minutes.Etnp :!~|e enqina and t:I1El2-‘It II16 CIII III'tIl=I l-I-liI.II T.I1Bmotcm:-,rr:iu u|1r'ighLMelts sure that there rm: nu oil ieelts

IIEIITIIIFIIEIII. Illl. FILTER BLEIIIIIIIGDrain the cnglnn t-HI l,l=|-lg! 3-3]-

FIllI'l1l‘JI'|'E the right crunlti:-else crslrer (page 2-El.Flsr-noun the fllulflh I6'lI\'il|', tam and GLIDE! go-var.

C111-en lhr: trlutch outer cover -entl II1ii-rk! pl the clutchouter usinp a I:|-trim IInl'.-IIEE cloth.

NOTE

I‘ Du not allow uusr eno dirt to enter the|:|'||r:rI€:hlII1 oll pessegn.

I; '1.'.'=i~1=s=*zr_'r_r'_r~"*":==='“ti _lInstall the lzlutoh oultr -trrvel. tram end Ieutlr.Install th-n r-gm csenltoase oouor. Itioit starter pe-drr-1,I-nulfler and font pr:gsl'sld: stand esel:-In IJI I-.Fill the trrnrikcese with the retornmensled engine ollinane 1?-21.

FILTEFI SCREEN

CLUTCH LEVEFI

C LUTl"H DIJTF H

Date uf Issue: May, F950'EI'H-DNDF-. MlIIl'l'ClFl t'.;E|., LTD

Page 18: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDA ("L3-E%\LUBHICATI on Qjfl I ___

[Ill PUMPREMOVAL50115

Th! Bil |'IIll'|IJ- Eflrl be runwvud with ma angina J|_ rl'1fl-ul11|:-e!| In 'll'|n frirnfl.

Ra muwna the ml Ur-aln plug and drain the nil fmwn thuurlginn lnign 2-2]. Flumuw 1.“'hq I-#11 crankrmecover-Image I-1').Flcmuw thu clutch us-ambly [nag H-21,

Fl!=rrm'u thu thrau |:||| pump am-.-.-5 an-d nu pur|-'|p_

lN5PEl1TlDl'\l

Flflmuuu the |:||| pump h:l|;|'y' |:|;|wr_

4

- _--.CLEAHFF CDVFR FFlU'|'\|T CUVEH__\__H_H-H-L ‘Q, _ I

. I I I. ‘:5 I ' 1;‘

Q! -fill?|-II i'|.| ,_1 Ill .11.-'_ ___ hr .

1“ !.:;'" 1I" 0“--I?" Jr ‘I, " i

.i'll'4‘1,|I _

‘Q: . .-_

MUFFLER KICK STII-HTEH FDCITPEGSISIDE RIGHT CFlANl€- ..-..

-5-

PEDAL 5-mrm ass"? BABE EEWEFI "

SCH E'||"|I".5 ..-...

PUMP BUD-"|" GGVEH _

2-4 "'- Dutw nl lss|.||:: ‘M-23'. IEHUDHUNDA MUTDFI C'El._. LTD.

."-1

Page 19: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

-1-I-._

__|I"""\

F“

F“

.-'-

|f""~.

F"

-"""'*.

,.v""“a

.-'-'~-

.1‘

;, I-IIJHFIJILBTU LUBFHCATIDN

Measure use r'n1n| t||3 claaran:-2.SEHWGE LIMIT: 0.20 mm lD.EHIlB ml

lkleasuru the |:||.|rr'.l:| i:||:|d\,' clearanceSERVICE LIMIT: I120 n1l'|'| lfl.0DB lnl

Measure the !'lJ‘ll'Jl and r.".l»::nn1nr.uSERVICE LlMlT: 0.12 r'|1m'lD.DD5inl

_

---R Ifir-'//‘I D. ‘ _~,_';_ll

' "" '\-ll:l"'. .-I-'l.<.;.:'”‘*»»»..$./" ....-.-~ J1. -_ _ - .- _.-"_ ___."Q“-___-__ 1 “T-_ _-»._ -..__--___ ___-“___-' __,.-'

' --__ Z __-- _.-'"'_"-..__h__ i _____.- -___..___ _ _ _ ___

73-__'_-_.-

a

@; .__.

I l D anhhii

.1 - l-'— - - -I ‘-._-_‘___Fl_;,.~ _ _.I|r f‘ .. E

. \\~' |:- -:. _-d I

Date c|l' l-.-sue: May, IQHJJ'1‘ HUI‘-JD.-5. MDTGFI CD., LTD 2-5

Page 20: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

LUBRICATIDNHONDA.I’cm

DIEFKSSEMB L"r'

F'lerr1|:|'..'e the drive shaft.Hcmrtvn thr: inn-er anti uutnr rcture

ASS E MB LY

tr-tteil the nuter and inner rnto-re.Invert the drive shaft and align the ftet din the shettvnth the liat In the inner rctnr. l'he ftete -ahculdface each ctr‘-et.

Ir-eteil the pump la-crltl liilJ\i':!r qeeitet end cheer

HIJTE __Meite sure that the |'Jurrl|:t- reutee freely

l wt-tjhtjul handing. _ l

ll‘-JISTALLATICIN

ln!-t.|_|ll lhn ull pump with the! gtqliznl t:n|;le|| 1! altgrtlngthe pump drive shah: with the aim in the cam chainguide aplntlln,

lnetatl the clutch asea-mltlv lnege El-Bi.In:-tell the riiht cranliww twcr. kir;k_ meter thcrlnl.muffler and fact negefslde etand eeeemb-iv..15-Izlluat the -dluiith [page 3- ‘IE1.Fill the camkceee with the secemrnenchtl engine nil(meg 2-1|.

ll‘-lh|E-Fl _HDTDFI EJLITEH FIDTDR

DRIVE SHAFT

Align

INNER RCITOFI OUTER HUTDH lJF'll‘u'E SHAFT

DRIVE SHAFT

GAS!‘-'.ET OIL PUMP

2-6 ‘B Dertrt nl lame. May, IQEUDHDHDH MDTDR C-CI., LTD.

-I-1

-t

Page 21: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

Hanna.—- ETD LLIBHICATICIN

" <GilliSSlS>LilBRii3iiTll]ii PIIIIIITS

h nnf specified hareUse general purpese giease w i:n

-""H“ Jinnl-,-' i:|il er grease ti:i the DlIl'lEl"Hlli'.l'l|1Q suttecite rintehciwn here.

CONTROL CAB LE LUBHICATIDNPEr'lif:ilifli:II','_ rIIiii:i::inri<ii;r the thr|;|11_l'g_ from brake

' Ii:l l'i-eke cables at their upper erictt. Tltu-ruugiiy3'-rl C

I,-""“ I|.|IJ|'i|2eitE Tlte cables and i.hi:lir |;||vi;i-t paint‘: with i' Qornifliertlelltr eivaiiehle 1:-al:ila lubricant

ADVANCEFI CAMOIL FELT THHDTTLE GFIIP»""“~

.@ -E / ~&IStI'i'ii'~iGAFlM I EQQELQUMETER

Pivot BUSHIHES . .-1 | If "'

{'4't.ue i=<'ic.t. tit I , Ii I _,f ’ ' %

.-"

E Delve CHAIN ,l .

r-;||=t,eii:E (_;_.¢i._1,|1 I i _ ' _' .. " CONE RACESF.--~. -,' ' - - "P I3-ALL nieces

I

I I Z;-2' -- _ I

" " _, - ‘ '__ *' STEEL BELLSI I' .._. ._ _ . -it ..- ,l| I ‘ J’

! I .- *'' - ~fi

,' I - ' BFI-MZE ceiiiI 1' ._1

“ I-1-i ,1

I-"'\t

. — I __. __|-'

I‘I-5 r. ,I' .»'

-"l |i' .1‘ii. Ill If

.-'_. .'

- sine STAND ’F“ PIVOT é

SPEEDDMETEHee.-ti-:5 PeeetPivot GEAR

El‘~i-GIHE

ts 2_?Ll.ti‘iierif Issue: Mn~|'_ FE]-Bl]'-EHUNDA MDTCIFI C11, LTD.

Page 22: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-Iowan.cw ~eé.~ —MEMU

20 Deteeflsseie Mai,-.1530-Ie‘JHEi-rtirm M{}TUFi EU, LTD.

Page 23: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

_,._s|

_,.¢—.

’_,_

FF“

In

f""~.

!""‘~.

,i"""-.

|{""'~.

IF-

.|—uI

%?\I-ION‘DJLC70 Oil ==-EEm ifIlI'l'l=qfiZ2‘E2 —i

III2=

3-1 <.‘_DHASSlSl‘-=-

DRIVE CHAIN

BATTERY

BRAKE SHOE WERR

BRAKE SYSTEM

BRAKE LIGHT SWITCH

HEADLIGHT MM

CLUTCH

SIDE STAND

SUSPENSI ON

SERVICE INFORMATION

<_'ENGlNE.‘1=-

FUEL LINES

THRDTTLE DPEHATIDN

CARBURETUR CHOKE

ii-IR CLEANER 3-4

CRANKCASE BFIEATHEH ILISAi:irtl'i,rI 3-5

SFRHK PLUG 3-5

VALVE DLEARHNCE 3-5

CDNTPET BREAKER POINTS 3-Tl‘

IGNITIDN TIMING 3-H

SPARK ADVANCER 3-H

CAM CHAIN TENSION 3-S

CARBURETDR IDLE WEED 3-H]

CYLINDER CDNIPRESSIDN S--1!}

3-3

3-3

3-4

WHE E LSJSFDK ES

NUTS. BOLTS, FASTENERS

STEERING HEAD BEARING

3-11

3-13

3-13

3-1-Ill

3-15

3-15

3-15

3-16

3-1?

3-13

3-13

3-13

SEIWIEE II'IFlllIlili\TIUl'leemeeet INSTRUCTIONSn En-glee erl Bee elite 1‘-1I Engine nil Hirer sicreen 589 Dfltifl 3-?

TDD LSCcimmeniv-‘W! ndiumng wmMh_ B I Q mm gflggmjntm qr mmmpgiqiiy eueliiitile iii it El mm effitet hex end

wrenchUgly; qdjuflflf H

smite fllpplte $|:ii|.ni'i:r E, 1.5 at 5.1 mm BITE!-0020200

SPECIFICATIONS-1' Engine l‘=-Ti-vhttiu grip free play: 3-"5 mm ll-"3 " lIl"l' I"I'5‘,_pgi-ii; piu;|_ Fiemmneended speri PILIQ l I c"""*dl'" t""p'B

For WM :|i|.mm 5* rd d Fur lptteittilleiiil hlgh

IB-elciw s°c, -ir‘i=i “ '“ !iJB'BEI ri="r-e— u r-re Meat HI] '

u1n|=5 ci‘sH LlL':?F5IUZDFSFI-L] [ceei-isi iu21'F$H-Li I ici=|rHs1 [1-ii=4F5R-Ll | [CHBHSI |

ping 5,1, Q55 _. 0,1 |'|"i|‘i'i ii:i.iI.t2-t - 0.0213 irii'I|"g|-tin qieiarertcez Ci:ilcl- lBe'ii:iw 35.13. S5fiFJ

lnh|ltie|"EiIil'\8u5t U.LI§ 1'l1-1'l1- lfl-D02 I'll

i~iei=: ND 'CTHS ue

NGK

4-FE CHI-I

Deteef issue: May, 1930IDHUNDA MDTDFI CCL, LTD.

=1 3-1

Page 24: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-ICIIUDJL 'INSPECTION AND ADJUSTMENT Q1" ~--j I _|_

Cnntact hrlititnr point gee:Ignition timing:

ii-min, "F " nurkFtlltifiritiit flirtFull l€l'li'l'l'Il.‘.I

Idle speed:Cell nder eempresele n.'

N ‘C Chlesla I-1'Drive chain tieeit:Fl'iIi'lI hnice IE\lEi“ TFII |;il.|y;Rear brake peclel free play:Tire:

0.3 - 0.4 rrrr'rtlU.Cl1I — CD18 lrll

ts’ etec'l,H?B rpm30" etee at 2.900 rpm1,500 :i: IUD r|:irn12.5 1 i:i.5 kgfmi‘ ltttit zi psi]

15-25mm I§5i'B—1 in]20- il1mmI3.¢'4—1Ii'4iri]2lIi—EI.l'rnm[3.i'il-—T1,|'iillnJ

___.‘ __ __

Tire sire - 2-25-1?-ll-P R

Frqrlt

;_-‘L

Up tn vehicle mpacity l:i-acl ‘ an ma,Enid tire pressure ":5 kg‘ am mlIiiiii’t:i-it‘ lefii up ta ee lie teen ll:i] ieeq I _1{.e_ igei

TCJFIOUE VALUESRear axle iile-eve nut;Rear axle nut‘

IJU - ED I'D!-fit HS — 35 ll:-lI:ilIJIJ — 5.0 I'iifi—lI'! [EB — 38 T1-lhl

Re-itr -

2.5m 1-een2.5 moi T‘

' ..=?.-.P..<.=:e

.1‘-,

ff“.

a-‘Iq-

."'

_,_

3-2 22 Detecrf Issue‘ May, IQBCen-iciitieit. MOTOR i:D., t.Ti;i.

Page 25: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-Inn:na.‘-5. [flu INSFECTICIN AND ADJUSTMENT

(ENGINE)Flll-1 LINES

Check the fuel lit‘-es for deterioration. tieirnegfl or - 'ieeiteige. Replace if necessary

THRIITTLE IIFEMTIIIIHCheck for em-ooth thrniile grip it--ll eeeriirle endI..IIDi'I1l!llII1'. full closing in iiii steering positions.Check the throttle enhle arid reeieee ll ii it ittllttrirlrirateri. Itinltetl oir damaged

I.-I.lhrF|‘:.:'il: the throttle i:ii.tile lpage 2-FJ ii throttleoperation il riot tmooflt.

Meaiulg thrnttle grip free plav at the throttle gripflange.

FREE PLAT: I-5 i'nm'I‘ll'3—1Mii'iI'

Adliuetment can tie r'itai:Ie itt either end of thethrnitlei -ciehle.

Minor atliustmerrts nrie ITIIIIIE -mm Ilte Upper Eti-|u:iter.

Adjust be loosening the loeit riiit and turrilitg theadjullige. Tlghleri lI’ii°: lflflli i‘|lJ!'..

|'i.lajr.ir etljtutrtte-rtts are ma-tie et the It-rwirr ildlustrrf orithe carburetor iifter removing the It-ont -cover.

Remove the oerhiirntnr rl-rhbrr C-Bp.Turn the ailiueoer to ol:it:iin the speciliod frttrr plott-

RecI'iiecit' the throttle operation.

FUEL LINES

_ I-

D-ate of lseuii: Mei,-, THEN‘!@i"lDND.A MDTDR CU. ITD

Page 26: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

INSPECTION AND ADJUSTMENTHanna. fife-.cm E1; ~K

BAIIBIIRETDR BIIIIIIEChflflh For rrnunrh dtnitn knob operating lrlriilrt-1'1,The i1I"lOKB Itnoiei rriust move 5i1'!'I-EiD1I'tI"' and guyw‘-‘tare poaitiorieel.

Arllutt ow turriirig ihe lrli;1iri-n adj|_|I_r:i_Eir l1.|_|1 |_|fl-flptthe rubber t:e|.1_

Pull the rh-eke ltnob all the iivav our intl matte eurethe flholte valve la einaeti Irv moving the carhurntmchoice lever.Adjustment:

Ffflrnovfl the front i'.1r.i-tree lpqgg 5-2|-_

Looseii thr. cable clarnp and pull the i'.'IblE ca-$i|'|g iupit-I" EH "1! Choke valve is fulli,-' clotted. Pugh the¢l'|‘i-‘IKE’ I‘-"01! I" II'IiII IJB llllr the choice valve 15 t-i,i||-,.-even he checking for t—-em-m |1.'1a._i_r|=l |_-,| “D15tiii-r:It

Install the front cover.

Alli BLEIIIIIEII

CIHBI1 the li"lEl‘f\l‘ii'1Ii by tapping It lightly hp romanDUEL Blow Iv.-err the remaining duet he app-tyingoernprciaeri .elr from inside the elementREF!-fBflB the Elurnerrl II it is eitceialvely ttlriy, turn grti-iimeged.Il'IB’¢_B|I the Hflmlnr iinicl air cleaner cover.

CAB LE’ CLAMP

ADJUSTER CHDKE LEVER -_

f/' Eterliient are oteervee covert. at pr ~,

_,.-

Rernovri the air cleaner -cover tap nut nntl cover. ._ '- I _ _Remove the air cleaner ulament nut and element, ---"'- __ L; | . -|' ' .--ax. _f I, _ .

I . -If _ I | _ {E-jrffi. L _ I .e. . I , L I.

ll I ll-In -‘:5. I‘!

I ' . Il' ‘ I‘ ‘all

J..'I I-'| I {ll CAP NUT

I| I NUT

ELEMENT *-

|'|_-tl. .

3.4 F =~ EIEIIE Ell I5!.'i.ia! May, TQELI$'HDNDA MDTDR CU. LTD

Page 27: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

KHONDAJ; [:10 INSPECTION AND emuwmsur

BIMHIBISE BRELTHEII IIISA only!Ha-rnmrq t-he plug hnm the drain tube to draindeposits.lrlstrlll the drain plug.

NOTE' Snr-ric:-u mflrn Trfieluenth,-' when ridden in rain

nr at full throttle, Ur if the dupotil lnunl I-uml he nun In the drnln tube transparent section.

SPMIK FlllliGlam mw dlrt frern around the sunk ping hue.D4a|:e||1n§e|:rr ma iperl-r ptuq pep.Harnurve and diird the ipurk plug-Me-murl: the new tperh plug gap using e wrre-typefeeler gauge.SPARK PLUG GAP: 0.!-0.? mm {D.flf2l-—fl.D1'B irllAdjust by bending ihe tide eiactrude carefully.With the plug washer attached, thrubd Th: new sparkplug In by hand tn prevent crussthleadlnq.Tighten the apart: |:iL|g lnmhur Hi lJ.rh'i wllh usnark p\Iug~,w|'anch tn compress the plug washer.G-:mne|:t the spark Mug Clp.

HEBDHHIIENDED BP|l.RlIl'. PLUG:L '| Clnldian ND!

ueucm-ls 1t:Ft1'H5!|rm uzers 1U22FiH-L'|'uni tau tenantNU UIBFS IUZUF-ER-L1

F Smpnderd

For nuld elimltere-1“ s“c. 5:1“ FlFur mar: can in-mar-ml ‘lrlghql-lull rldlnq } unuz-we {LII-I-FER-Li

L

Due ntiuue: May, 19511EHUHDA HDTCIH £10.. LTD-

I BHAHKC-Fl-EE BFIEATHEH, --“Deana TUBE

"-_;-\_| I -_

ax {'' 0

-._\_____

_-.-

.

||lDH-NH PLUG

fl.6—D.?mm - IIU'.fl24—O.fl2B|n| f

25:

3-5

Page 28: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-ICl1\'l'ID.B.. F”-?;.~>~.rrtsmsc-rrutu mu ADJUSTMENT [III] ~—~

VALVE |}LEllUiHBENOTEi __i_

lntpeet and in-dlut-t valve eleatanne whiltr muuflglrhu it mid [below :i5"::. 9-Fri; J

Flumtwrr thn manta-ct l:i-reeiter mini mover and valuelfliliflli-1'.iIIiI‘l cape.

"fine Ihfl fliflrihhll! wuntercdu-trktvise and alignthn "T" l1‘|.iF|'l. with the lncln: merit 0|‘: the leftcrankcase uui.rer,

F-lake sure 1110 urttun in nr T.D.C. cm the t!OdflIZrl‘El-slun strnite.

i'-lit:-ck the valve uleasan-|:i.u by inserting 5 ieelergauge helwticn the adjusting ternv and valve tttrm

'i|I'.i. LVE GLE.ltFUlNC.‘ESINTAKE: U15 mm [0.DU2 I'llEXHAUST. D.lJ5 mm [H.002 hill

-Pvcliust by louse-ring the Iruzk nut and turning theniiiustirtg anmii until there is e slight tun; un ttwfeel-er gauge.

Hold the m:i§u='ting mew and fight:-n Iha Inrti, nut,

Henhenk the valve uluurunce.

Install the I-‘¢l'iTi1CI hrttel-ter point web and Iraluulruncctinn cups.

.3‘

MARKI

IITIJ

LUCK. NUT

FEE LEH GAUGE RDJUSTING

VALV E ADJUSTING

VALVE M1] LRSTEFI B

3-6 =6 Data Of Issue. Meir, T930Ifl'H{}i'tll2i.\1 HIUTCIR CD, LTD.

r-

.-_-

_""'.

-—"-.

1-.

,_,_

_I-

“\-

Page 29: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

‘H %;\I-I(J1\lI).Bt

1-=~

1’-"""

KT‘

r'“‘"

(""1

1'-‘\

,r"""‘\.

F“

.-""‘

If-\.

J [III] INSPECTION AND ADJUSTMENT

BIINTABT unmet l'l]lllTS _Ftemuu-| the cuntuet hweeiter pnint never.

Clean the izireel-tar |1IUirr'l turleues with an tile-ctrurllcontent |:lrniner tn r|:i‘nCi'n'E any uli film ctr riirl.

If the eunuut turfauu are la-wl hut pr:-,rl4h in r.:-uioror are 5|ighl1'|I |.tit1ed_ file tl-rem lightly.

ll the paints have a nutiuulhie tritnrler nf mm-llirurn une surface tu the other, hm evidence u'lheavy arcing. u-r are worn tit an angle, the paint setthuuld he rnnlltbd.

Flcitete the crnnlcshaft uounttemiottlcvuitta. and malt!sure tluit maximum pnint gap is |:|i_3_fl_4 mmlD_ElI2-13,1116 fnl with a feelnr fill-1'98.

if the point nap lrt irir.-r.i.rrer:t, iueeen the uuntnctlreelter ntete locking -wrrtw! mitt adjust the pointQ59-

Tight-rtn the lurking screws and ruuheult the pointQ39-

Inaiiutl the euntect breaker aciint emitrr.

’@___ “—' F ie liqntlyU 1.0 rnrnute |ililIlIll'l§

Egon ___\\. SED and cnrreuun

QEJQUHSEFIVIEEABLE REPLACE ll wen-i IT. an angle ur int!‘-,r pitted

Detauf issue. Mat. IBBD‘EIHDNDA MUTGH 00., LTD.

Page 30: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

INSPECTION AND ADJUSTIHEHTHONDA 1"”.

.-..

IGNITIIIII TIIIIIHEi"-IGTE

Puritufil lhn eonttitrt breaker point gilp brtliecre Ithis iIIZfi'ilI1I'I'lT‘t inane 3-?f|_

STATIC METHCID

H-Brriovlt th= contact breaker point cotter.

Diiuflnliéri the Bit,"l."|.' breaker IBrmir'\a1wire_

Connect it 1:=orrtir\uit'qr light tn the contact hreartertermini! wire .ettr'i to the positive it-l tetrninal of itl'\:ll'|,-' charger! but-tart.-.

Connect the negative Ii-1 better»; terminal to anengine ground.

Hotaiing the hate ptate counterclockwise willretard the ignition tirnintt.

TF1-E !ii|'i'i|'n|t| I5 correct if the light qua-5 nut u-,rt-|.g|1 bothmrarita align

ADJ U STME NT

-F’-diust he loosening the twu eentact breaker bateplate screws anti rtJIB1|1'i|]thl plate.Fintatinq the ueae pint-n ciockwise will a-dt.-attca theiq.|1]1'iCii1 timing.

F1-mating the base plate countarciocitwiee willretard the -grtiliort tirr||n|],

Tighten the base plate screw and meheek theignition timing and point gap,

Disconnect the light and iuttertr.

Connerrt the Bit.-W hr-aaitur terminal wire,

In rteli the contact breaittit point ccruer,

.—e_

LIGHT '

|_

INDEH

I 1 -‘ -.' - -=1-!!'_;li‘ ' it .-at-.BREAK EH WIF-iE *'~.

MARK

F" MAHH .-".

BASE "'P -__ "

ei1o_

BASE

aouartee --' t-T-Q3

3-e T 281|-

i3ete'-trf issue; May, IBEJEHUND-¢\ HUTDH C'»U., LTD.

Page 31: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

“* 3-. [}‘][| INSPECTION AND ADJUSTMENTN .-_"-.

|r_\'

1"“-u""'-.

."*'i

;""'*

1"“-

.-I“

.--'

F“,

-1

D"r"NAMlC METHDCIiWiTH A TIMING L|GHTi

NOTEAdina: ma contact hrfliker point gap -licfuns Imqklng this a|:iiu.1trnu_I_1f-_

Hemm-e the tic-ntact lxaakar paint wwr.

Connect i tachumete-.r and timing light-

Srm ma Efl-EIFIB and in it idle 2-3 min-urn,A_d|u=|.t the ldlq iflflfld if nacassarv.

IDLE -SPEED: 1,5!!! :l: III] rpm

Aim the rirning light at the timing mark.

..if|'\

Thg fimlng is; current If thn "F" mask nlipu with T|1,||~G |_]||3l-r1‘1h|1 index n'|-BHLAcljust an. demcrlbad iur thr ilillnt math|:|U. ll "BIB-airy,

imtill the mntlmi |JD5ni cunm.

SFAIIH RIIIVAIIBEIIRumuvu thu uuntuct point muar.

Gunnunl. u tlmi-rq light and ta|:h|:l-mater.

Start thu angina.

Hr‘-ng Enqlflfl spec-d In 3,1lJC| rpm Ind =l'1BI=l\ 1l'Ii1 Th"indml marl: is tletwn-art the iull aclvanci mama.

R¢|:_ifl¢|J' my nju-ancar aasembiy ii IT is nfli fi-ll'lII-Tluninq prnnnrly.

lnqull lzhu mnuct bwal¢=r [J-Dllfl WWI‘-

Elili iiiiilll TEilSll]ilStart the angina nnd ll-.1! il mil!-

Lanmn Ll-in mm |;|-mun tel-uiciner luck nul: an-cl lmiitimit.

Thu ‘I.Eh5lDI"li?|' will automatically‘ position its-all‘prmuglq zhq cnrrelti ulnai-::|n.

If 1-he 1.-.|-min I5 :l.'l“ l"iCii5'|' rumcwn this mnainner plug.Gradually acre-w in lhl: inrlqinner odiusting acrnwuntil 1h|:r cum chairl :5 rm longer "Biw-lnstali tin tansinnur plug.

'|'|gh:5r| tha tuniinnnf lnilk l:n:Ht and nut.

INDEX MAFIK

ADJUSTING

TU

TENSLDNEH PLUG LDGK NUT

l_

Dam u|1"1i5u':: May, ‘IQ-BBQIHDHDA MCITDH El.'J., LTD.

H 3-9

Kl

\ 1

'.in

Page 32: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDA.FNSPECTIDN mu ADJU5‘|'l'i'lEi'iIT [flu .-F‘-.

BQRBURETIIR ll]l.E SPEEDNOTE

' irdperl and -ndiust E-1Eli'iJLlfl:l.I.1r iijln spit-gt: aimi-ilii 1:i1|'l|:l' BflfliflE E||"|;||1::1mi£!|1t|3r£ wqhln mg |cifimliu-n.

' The :i1gli-ii: must he waii-ri in-r i}D;Ll|'I1_'E ii:l.li=_-iriiipa-i:tii:in ant: ailjuslrnitirrt Ten riiiiii-i.it<i:. ti-|'atop an-i.l gu ti-dint; is siifiiciit-iit.

I‘?-=£1nr'»ai:t a tai::hr.ii'r1i_-tier.

Il‘i'i1n-i-i ii|:i the Eng-Iiie. :hii1 mi: trarimiiiaémi to "l‘\lElJTFi'-°ii_. ind lwiltl ihr motorcycle upr-i|j1t

i|"'.5PfllIiI un|.i aciluat iilii: sprint-rl witli Iii: thmnln §L|Jpicrmiv, '1l'Il'-£lI'EIi.‘lHl’\|'. THROTTLE fig? SCREW

“'1IDLE SPEED. i_5i:iu :1i:iiJit>i1i '

CYLINDER BUIIPRESSIIIH _ i:iiii.iiaE‘i"il'irm up thii l!f1[Ii|‘H!i.Strap thii i?l't|:|iI'l-B Ill‘!-ii rr:m|.1'-m mt: iparii; pig;-Q.lnriu-"r The cnmprassinn qaugé. -

Pull" the nhnlta liiitlb in. “'3D|Ji:|'| thri thruttiu grip hilly,Drank the eriginrt with the I[fli'TE|' mutur.

l'FE§_ _ ________... __ mi'3rI1"|¢ ll’?-B Wflin: i.intli 111|1 DBUIIH raadirig i|ti:i|ii;rising, The l'|'li-iIiil'l'H.|I'l'1 reading ii iimglly '

l iEBl3i'lHIIIi within -II-I seconds. I

COMPRESSION PFIESBUHE: 12-5 ii1;tiiii;ii=-iiil -I171! : 7 Piii ___

Low i:i:ii-npriiuiun can he I:-tlutnd lay."- lmnrupiar 'i.'i1l|.re ilriiustmtini' '\."si-iii: lnakaqu __' Biwirirn -::windai' heaii 1_|-iaiiluii I‘ Wrnn uiztmii ring i:ii cirlindiar

Hiflt uni-nprnsaiizii-i cnn hi: aunt! by;' C1Iii'hrIn i:i»a|:ii:mts in Dflmiiitfillflfl rhiirribar ur on

1+": pistrin c-rrrir-1'-

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3_ 1 0 35 Date of Issue: May, IEIBU'E.'HDNCI.i5i MUTUH C'U._. LTD.

Page 33: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

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€iIili\SS|S>DRIVE BilfllilINSPECTIONF'l:iii:e the iiehiule on its side Bland and Ihlft ll‘-Ettarlsrnieaio-ni itttu neutral. |5-35'|“"‘l

Tuin the -ignition switch OFF.

Hi:i-i-ii:i-.ie the lLil"i\'E' chein inspection h-ole mp.

Move the lIi!"i'li'I' -ehiiiin up and tlown by hnntl imrliiiieasure the amount of :-lat:-in

SLAGK: IE-E mm i5i'B-'1 in]Adjust if nuoeeearv

ADJUSTMENTH-.=.mi;m the rear iiitli; |'iiI'l ootti:-r p-in and loosen tlhu||:i,l5 alrirl :ii:|:'|'t: l'|Ul;l.

Turn the iiiiliutiting nuts on both aides en equalnumber i;i'|' turn; to obtain the specified oiitain slant.

CAUTION:

3;I|f1!.;.f;|'g-r meg“: with the urrrtr gr1ei'1rm{i'r-W 0-I'llriorii iiiilirt iii: the :wl.ri.iriirm.

NUT INDEX MARK

“lei-'i?T.-.ii.-mriiiii iii: M lmm fli

Tighten thir sleew iinio eiiile nuts Ind innlll I newcotter pin.

ton oueisteeve NUT: 4.0 - e.o tum tee - as millAXLE nut: no - E.D iiiiii-iii lee - es ti-ll:-lTigjiti,-,-|-i the a,i3;||uetirii; nuts

Rent-iei:;lc drive ~l!i‘l3lfl slack iir-ii:l |'I'\i‘ll." wheui iotatlon.

Check hrnitg pad:-I lr|:i: plat; lI‘lt.i BCi|1..l51‘ ii l'li.\l;B!iiilI"li'.Lulairli:-ate the drive chitin wilh B Eflmflwfiieilyiivflilihi-H rlrivr i1i'i:ii|1 iui.|ri:e.l'l! through i-‘PH iflliI!I=-[Eflfi

CLEANINGWhg-|-| the driiii; iahtiiti h¢i:.~i:iri-lei EI‘i'.I'-El'l"lE|'|' dirty, il5i'lfli_'.iEi hit rv:|'|1'||;wu11 g|'|i:t i'.|I;\;t'im:i' print In Fl.ll3i'r'ilI'E1ifll"1ea followi-Flt-ii-itrwu the frame lett side cover-Remove the drive riorocirllrl DIWEF.Fit:n1i.wi: the two tower chair: r-air: tin-lie as-iii loweroheiin case.Flemt:-we the upper ohein oase-Hemcwe the .-nilq nut i.-.tl|:teI pin end loo:-on the iiiailii-ihut, eleeire irut and atiiurting nutt-

CDTTER PIN AXLE NUT ADJUETIHG NUT

LEFT SIDE COVER ELEE‘-"

‘SFHDCKET LCIWEH CUTTER Fihl!CCNEH CHAIN CASE

Date nit is-.|m:5 Mlitf, iiifl-U@HliI'iNDF\ MDTUH Cl'J._ LTD.

Page 34: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-ICl1\'lIIJ.H.urn '~§.r_..Jll'ilfi"ECTiDN AND ADJIJSTMENT

Remove thrl rnetter linii ieluinlritt clip and mesh:i|rik_.HE'l'|'hU'|i'E the drive chain.

DFH'u'E EHAIN MASTER LINK II i\5iiHl?-H3 CLIP

Clean the drive ohein iI1 non-flammable cir him -flesh point atihiant witli iii l||‘|.l5i'| and iiluw rt ti; dry.

lneoect the i:lrh-it ch'eii1 fer tr,-|ar er dfl'r|'tqg|_ Hiphgganti i=l"-iiin that is iixcimivaitr worn or damaged.

__,r"'

lnipeot the i:i-rniir and driven tpii-ecket teeth forexcessive wear or damage.

Flepieitit ii nccaiaery. “IEAH

!‘!‘.3lE___ LNever ifliiili a new cirivi: chitin on wot? DAMAGEsprockets ti-r e liviiirn chain on new strrttcitctl.Both chain ii-id apvoclte-tii mutt hri in goo-dcondition, or the replacement i:J1aln ortorookets will wear rluldlv.

NORMAL

Luhirl-i:at.e the drive i;hiaii-|, NHEUTIDN OF __ -|-__; |'*!§'TE __ _____ FIDTATICIN . fl ":.'.i Coiinmercltill nrrrotoi woe drive chain lubricant '-".

iii rocnmmnndad. '---___‘:

instill the -rirlva chain. '_ - 4-— - i '.-.- .-.-'j . ' .I“UTE -a — ——. it lwistea -"

Note the direction of the meetier iii-iii; ttttuii-ting -- . F‘ '- ,__. F] LINK .oil " - '1 -" ".P~ L__ t - ll! _.-I " ill-lA'lN

Install the upper and lnuiicr chain cases. drive RETAINING CLIP '-sprocket rm-er arid liitt aide oover. I

r5it!]i.ist drive izhiiin ii.liiii:lt lllhrqe 3- I 1 |_

lQ.

liihlflit brfliw FIF-'l'i|Ili lrire olatr and 3L'i|Ll5IT, ii iteizizsettry. ' '

3., 1 2 32 Date of Iiatia: Matt. TQBDQHDNDH MUTUH [5i:i.. LTD.

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Page 35: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

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HONDAINSPECTION AND ADJUSTMENT1%)

BQTTERY am:-um: CABLE Pusmvs r:.ns|_£Rerfifl-W thtr rlght HUB ucwerDrs-connect the gr-r:um;| mbiu at fiw frameD|sc:nrmH:T thu pusutlw cable at thu buttery tnr

Flummle the l.1u:1|-ry hold-nr plateHam-nun the butteryInspfltt ll":-E hi!-lrry fluid lgvpl

Whrrl thu fiuuzl level nears uh‘-_ |uuI.|H' lnl-I'l:|| rqfill w|t|-1dlsflllad, vmar tn flu uupr-r Irv-al

-"1-]:|d uni? d|itliTBd want Tap matar wll BAFERY HDLUEH PLATE| fihurtan the 12-mes I-ll‘: ul‘ thu ba’rlaI"\I'

The mmerv dn."I‘rrHy.l'£ mnmtru mrjurnr aridFrurmrynur eye: skin, and r\|’fll|Eu‘n';.In cu-we 1|-I‘ rmrmw flush rimrougidv mamm and 1-mum-r a dorm‘ If den Iroiyre genin your emu.

Replace ma ha"‘ter'y |fsui1at|¢n1 hqrnfl qr $ed|mant5acu.|-mulata on the bntlnm

LiLEVEL LOWER LEVER

BRIHE SIIIIE HEM!Hapiace Lhe bruku ah-01:1 I1 lhn anuw nn theInduntor plaza ahgni wflh the mark on lhlbrake panel when the he-at-cu |: nppllcd

Dataof lama Ma-,~,1HBU 3F-‘-i-HCIHDA mmun cu urn 1 3

Page 36: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

H0NnA(,T;Eg=%.'INSPECTION AND ADJUSTMENT ETD /,»'--

-1-

BRMIE SYSTEMFRONT BFIAKE LEVER FFIEE PLAY

Hiuuiura Ihq: Irurlr hrukea |::u|:r 11:1: ||lH|1;' Bl 111E [||J Elf

the brak-I: lcwr.

FHEE PLAY: zu-an mm ::m—1 11411-1!

ll ad]-.utm|.=nt is necessary, turn mu adlultlng nu!u|'|1*i1 the c:|;|rr|:\C't1'r:E play is obtained.

B215. _ . _ __ ___. _Make sure the :uT-uut un tin: adiusnng nut is

‘ mum rm 11-m brakfl irrrl pin nH|,~r making flrulfree pia-v adjuitmant. _

HEAH BRAKE PEDAL FREE PLAY

Chick lh-n hralu pedal free phay.

FHE-E F'L.P\"I': Z9-EU mm (EH-1 1M-in}

lfl '- 1!-Urn:1;!-1"'§lnl

£1.

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HUT

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3__1 4 31 um“: lnue: Maw, manIEEHDNDA moron £10., LTD.

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Page 37: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

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' - Hanna.BTU/_.“~ INSPECTION AND AD..iL|'5Tl'l"i ENT

if atljurtrirerir is r-.u:r:eseary, turn the Bdjuiling hutuntil the currnrrt free play is obtain-ed

l‘-HJTEMarita iurr: tHE| r:|Jt-r.n.lt i..li'l the Brliuiilng 1\l.rl l5seated cln the brake arm |Jll‘i after milting the1in;|l free alav adiuttment.

BRAKE LINKAGE

Check the beirk-5 cable, brake ru-ii, brake perhl andhraite lever for louse connections. tnrcustivn play, urdamage.

Repiam ur rrrplit il Fl-EG'B5i-ilnr.

BRAKE l.lE|iT SHITBH£912.- _.... . . ___.._ i_

Perlurrn this arilusti-nent alter uidlusting brake. .r?=1=.'=' "r".P‘-='r -rldilrxt hhn trait: light iwitth bu that lhrr Ltrlite lnghtwill ‘light when the bruit-I pedal I: |:le|:|rnsw|:l nr1rr.iIi‘w!i:||ai<e tmgins engagement.

NOTE' DD l|C|‘l turn the switch t|r;||;l'|r,- Thu front brake light 5-witch tic-es not require

n|J||.u'[r|'|i!*t‘|t.

Adguit by I:umirI;| the swit|:.h acllirstln-g nut.

HEADLIGHT lllil.'5\r.l]L|.lt '.ni:r'll|:.!I|1|r !:|I|r lLl'|'|'lI|'i§ thn |mrt_r'|;.al adiuitingHITHW.

Turn the lt.l]|.ul.ing 5f:r|:w cluckwiw tn dlnjrt thlhelm up.

P-flll-I51 hlltih-'.|nt||.l|'|' by tuming the hciriztrntil aci-lur-ting screw.Tum the Hrllusring rcrrrw clue-lw.n'ne tn direct thebeam Iowa-rd the teft aide oi ‘litre rldr-ll,

HOT_E_ _____I -fidiwt the headlight beam as epecilted try i

i1:-ual laws anti regulatlnurz.

' .-‘Ill frflprrrph-'r'i'_v rr-n',l'r-tvrtrd l'rau:i'fl'g1'r.r nwmr Mrhdtrncrrming r.|'nI'r'er:, or Ir nun; ftrri In Ir};-hr theruau‘ fur i: mfe rilnu-are _

D;tl'|.1|1l inure: Mu‘-,1‘, 195DEHCIHDA MOTOR CCL, LTD‘.

_‘___

HRH!-CE LIGI-lT SWITCH ADJUSTING NUT

.,_

_ 3

HORIZONTAL SCREW

Fl"= I

VERTICAL ADJUSTENG SCREW

35 3-15

Page 38: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

@i®INSPECTION me nimusmenir [‘,']l] '

BLIJTBHStop the engine.

Le=-r rwrII===-"

Lciizriien the iidlur-ter lock nut and tum the i:ii.rLi:liaeliut-'l:er rtlri-eiiiwiee tine turn;::ii:i iint iuri-i excessively. L5|BWi\-' l!l.lfi1 the ii-iiili-irtcir i:ruiintei'i:lu-clririile and step ‘Ivrlien I'B!liIB1!|2£I is-felt_Frein-1 this pi:rin-‘t, turn the ed'puirter i:ili:i-i:i;wiee 1i'H toU4 tum; and tighten ti-i-ii led; nut.Check ti:i see -that the elutieh I: not slipping and isiIi'l'-tDi!F|"i" dlr-engauirig.

.-._' 1 I

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' 1|

ADJUSTEH I, -1

Sill! STMIIICheek the rubber pad for dewrloretim -nr wear, ‘Ill ll | _ _

' lHriiflece il' env imiiiir exceeds tci the were line eri|'i't'.IWi‘|.

NDTE

r~"L'“ELE’5"i1’.59_'l2' 9 ii, W __

O_-.,_iCheck the eidir etenci spring I-er image and inn cit

teniicin, and the side Fund I58‘-I'll-lJl'|‘ fur treiidum titmuiierrientiind bH'iriil|l'lg- .. .

NOTEl Spring tension it eni-res‘! if the measurement’!

fail -iiiithin 1.5-1.5 ke [13-5.5 ihi Wl'lllI'fpulling the side stand |D'WI' -end with I :r;I'|l'lg

[Lain

ti Li. ""'J|'i|i ifliq Ib

SPRING SCALE

3_1 6 35 Dlteul In-ue: rim. ieeeEIHDNDA riiciren GD.-, LTD.

. 'i'i'i'ifln repieclng, u-re a rubber 15511 with the - .-—-1‘

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Page 39: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

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siisrtiisiiiii ‘.52.. .,..i i-i...r.t~ .. t'£*.i7ii'.:‘.'§it it-hit rm.-rry =........-.....€.=... ILoose, worn or uimrmiri-i iurprnnmr purl!lrnpitlir veiiiioiie .ri*it11ii’i:ji' anti’ control.

FFlCil‘-.|TCheck the action of the Front Torin-Fiepiaur. demeptl cuitipiareents which eanni::1 herepaired-Tightan all nuts end bcittt

. 713-1L.uhirIoireri the 5i.|1Bt!l15ii'll'i li'l‘l'i pi-'r.i1L

____— f. .1 _ .-_-

oeeriee ITTINGE

HEARPlan; flee |'|1:iti;ir|;yi;:liJ un i: iupptilt hii raise thE fill‘wheel eff the ground.Mow the rear wheel Hizieeirriirl -mih few: in HEB iii .the ewingeirm huehingis are worn.Review ii‘ eitonssieelv wtrri-.Chqiflt the sheieit lteiorlsere for ieaiu or damage.'l'"i.@'ri:en all rear eueeieneion niitii rind hutlu. -'- '

ie ‘L _

Dill: I'll‘ Iniue! Meg, ‘IQBD 3? 3- 1 7'EIIHCiiNEI'Fi MUTUH C'D._ LTD.

E4

Page 40: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

Hanna. Tiiiisieerrriciiii mo ADJUSTM ENT [:10

GAUGENUTS, BIILTS. FASTENERSEhiitrit I-hei iiii chassis nuts and hiallrt in-1: tiglrtgi-mu 1.;fitlrreret toeque ireluee.Uhflttit Hii flutter pins and safety dips.

WHEELS.’ SPDIEESmore‘ ‘Fire pressure shoiilcl be cl-ieiriied when tim:'|mJ

COLD.

RECOMMENDED TIRE FHE5$I.lRE ANDTIRE SIZE:

__--

-"'_|--Fru-nt Rear

Tire site 2.25-T?-4PR 2.50-1?-EPFICu-ld tire Lip inpreesuge uehiidq

imam tflffiw 1.0 ital 2.9 mi; SPO-HE NIPPLE Ii, 4-5 Ii 5.1|'i\i'!1-iiae i-cg,ane ii:-lUp toeehuiznn 2.iJi1Eii 21: izai

N | ibilelrl

Ch-srilt the tires for cuts, imbedded nails, or uflmrdserp ohlects.Cher:-it the front end rear wheels for trueneu,Meesum the tread depth at the oanter i:if the tire-QRfilfilflflrii the tiriu if the tread depth regal“; thefollowing limit. i

MINIMUM THEAD l.'.IEP'l'I-I:FHDNT: 1.5 mml'li"1E in!HEAR: 1,9 |'|'||1-| 131331“;

Fletlghtim the Wl1lIl1'il tpeiltes pmriodieaiitr.

STEEIIIIIE i'|El[l BEARINGS . -NPTE .[ Cheek thlt the ountrnl -eiihlns do not interfere l

-i

I-._,__ _i_i‘ “In

-\_

with handlebar rotati-i:in.

Raise the front wheel off me gr-uunrl,Ch-i:i::it that the heniiletiar rotates freely.if ti-‘ii! handlutnr metres unri-ertitr, binds, or hmvertical movement, ediust the steering heed bettingbe turning the :i.tiIi.tring heed edlurtirig nut (page12-IHI. tfjvg

¢ -I‘HEAD BEARINGS

3... 1 B 3'5 Date of issue: htay, 1_QEi£iiEIHDHDA MUTDH tre-., LTl'.!i.

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Page 41: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

/THONDA@ Qi) cm_ MEMU

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ljlqm nf lame: May, 1980 35EIHDNDA MDTCIH £26., LTD_

Page 42: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

FUEL 5"|"STEMHanna.

Q;-3,-I .,.-cm K » -\

*1,0

@_;7j/I)\§=5@~jO@

I_ *-._ ==:..."--T:--. -. "-__.| . 1-" *~_=~_";-

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4_0 no Dnlq: -:1! lmm: M;|'y'_ 1BBl,'_;ETHCINEIA MOTDFE C'O., LTD.

E0'“ %-aa

Page 43: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

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4. FUEL SYSTEMSERVICE INFORMATION

THDUBLESHCIUTING

FLOAT END JETS

FLOAT LEVEL

tmneuneton nemowuTHFIDTTLE vnwe DISASSEMBLY

BAH B UR ETCIH ASSEMBLY

4-1

4-1

-1-2

4-2

4-3

I-4

I-5

THROTTLE VALVE ASSEMBLY

UAFIBUHETDH INSTALLATION

FUEL STFIAINEFI

PILOT SCFIEW

HIGH ALTITUDE ADJUSTMENT

FUEL TENN

-1-5

4-6

III--E»

4»-T

4-8

4-El

SEIWIEE IIIFIIIIIIIITIIIIIGENERAL INSTRUCTIONSI Use caution when working with gasoline. Always work In I will-vlmllntfld mun nrtl um? Ifl-In‘-I tpflrili DI‘ Opflrl f|il'I‘HI!-I- '|".I'h-on dlnsmmhling Iunl Ilfsllrlfl nl;||'l:_ n-mu lho loonllunu of me D-rlnqa. Fieoluoa them with new onui on rnaisefnbly.I The float howl has a drain ol-u|] that I:-an be lo-oennod to clrlirl rcslcbunl qnmlirln.

TDD LCommon

Float ga-up

$.l§§LEI§+‘l\T|D"5 -UT-I-I11-IHIIEIIEHII

‘.F§."1 __ 1§§1._-Venmrl die. 14 mm IEIL55 inl ‘hi

_"=.‘fF'.'!‘lI.'F?3'il“_‘!"' N P'B-‘E211 PEIIIEC9:-Float level 1Iil.T mm {EH2 inl ‘ii

Maln iet

5-low put_ ___ IE‘ *3“

#35 -i- _Throttle valve

_ -___ _#15 .

-.|It needle

Thmttla -grip from plwPlim mrew |n|1|.l;|l' u|:eni|1g

TEA 1'26

1"—Bn1rnI‘l.l'El—‘Il'-IIIHI ‘TSeepuge-L II -I-i—

TRIIIIBLESIIIIIITIIIIIEn-pin: uranlu but won't run

1. No fuel In tank2. No fuel to carburetor3. Ertgifll IICIDGHBI 'I\I'i'II"l Full]4. No spark at olug

Ilgnition m-alfunotlonlE. Air oleaner cloggedB. Intake al-r hank7'. I-m12Il'fl|Jfll‘ dtoltn opnratlonB. lrnrlropur throttle on-erntlon

Hard Illrtlng II llailinq liter nuflrq1. Improper chain operation2. lgnilion maliunotion3. C-arbu-retor rnalfumtlun4. Fuel oontmuirumd5. I|1I.BIt1& alr leakFl. It-He speed incorrect

Ftnunh HI:1. Ignifiorn mlllunotlun2. Idle speed innorr-not3. Carlzurfltur rnalfunctloo4. Funlconlirnlmrted

l|'i|firin| dturlng mobliurnicnI. lqnltlnn malluncrlon

BldtllringI. lgoltlnn madfunotlon2. Carhurntor nt-ulfuottiorl ,

1. Clrnggtd alrleti"'5' |!"'“l"'""'3'I* I'H""*u“"I'I 1 Faulty float veliueI'll P""l"I|1l| l°""|"5""\" 3. Flr;-.111 value tun lugh

1- Fuel witel" M9986 4. chum mm: closed2- |El"i|5|1" ""|"""|'=""'" 5-. Dirty air odeaner

Llln milturlI. Clogged fuel iuti2. Faulty flout value3, Float level low-I. Fuel up vent |.1lm-.Iu:=!Er. Fuel etrainer screw.-n cloggedB. Flestrlotocl fuel line7. Intake olr leakB. Air 1-unttuhn nlomnd

Rich rnhttllrl

Date of Issue: May, 195]I3!-I€.lP-IIII-'5. MDTDFI GU . LTD

41 4- 11

Page 44: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

.- —._‘_HONDAI.--"FUE L SYSTEM BTU ~.?;E,x,.-I_

BIIIBIIHIETIIII III-II|Il]\'lll Toe ao|_Ts|.:rr' |l1e iuel ~.'al'.'e DFF. TDr; in rg5i|;I||.:I Iunl Into a oont.a5rIer bv l<=I1=1=fi|r'r9 11‘-Bd|fl||‘| iCfE"|.'\1.

HBITIIJ-'\'|] thn hml val-II! I'1'|2|J'l'l ‘ITIE tT?ll"I‘JUh1h‘-"f-

Inn-n;-r| the choke o-abln clflmn H-or-I I-|i5fl\I~11flE4;1 Tl'""oholu: |:al|Ie.Loosen the air cleaner cr.I|1n|rrr1i-‘*9 !ulJB band.H|5||'m'_;I.|e [h-3 |;||;|I15 5r_';<:urI.||g lI1E |3=&l'IJUI'E|IIIII' ll'l ‘lhlfirltnh: piou-Llngergw the ca'rl]|,|rI:T-:.1| t1J|.‘|- BIILI |JL||| the 11I‘IFII|'lIr-'vol‘-re out.Hemmle The oarburutor rnc:-urltiug lmlti B1'||:I ear-I_1|_||'l"?'\t'ZIl. //

CHUKE C-ABLE E-END '

T|'IR|]TTlE IIIILIIE II|5l$5£IlIB|.‘IFlélrnrrw The fiarhurl.-1or top and throtllu waive.

_,_

SPRING -Compress lhe tltronle valve sorlnu. and mm-we 1I'|e ' Jthrottlo cabin Itnrn the lltrtltlle '.rBI\|E gro-zwe.

cT\aLE END

4_2 52 Daqnul lsaue. May, 1950-El HIJND.-5. HIITITDR CU., LTD.

Page 45: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

/'I-Ionrna.~;§.:.j,»l cmIf-\_

.-Ft--I

I'Iarr'oI.'r~ the ncaoln alio Petr-I"-er.Fl

FUEL SYSTEM

TI-FFI-OTTL VAL

emoue the iet needle anrl ciip.lr‘.5CE|3t the Ihnzrllle value al1r;l jel "‘IEElIIH' l1:|r rI|rl_H"-r-ntchn-r.~ or weer.

IF

E

IIIIII

‘II-—’—_ .-.;-gt’

P-,r"'f ll I

M"-"/ '

JET NEEDLE|NEEDLE our

FI.IIl\'I' MID JETSFLICIAT F LCt:\T P"|I~l

Remove the float |:I|ernt:ar am-I null |;;-ut the flgat pi;-|_Fh'Imrwa the float and -‘Ioa: valve.

.r"~

"JP-L

lot:-aot the float vulva and 'iE‘=El1 For r|roo~aa. nicks orelepuaita.Ins-pact the float t'al'.'e ooeration.

1'-‘\

,,_

J I.I1+] -"I1-I

ir.-" 1'ft‘-fi.I ._'1'J."

. I 1' erg?"

~f- ‘ti" I '.

I I‘!FI.DP1.T ‘I.-‘P-.l.".1'E

Date of lsaua; Ma-v I93

. FLUPIT

I D I13 _

'-EHDNDA MDTCIH L'l'U.. LTD.

‘q"E NEEDLE CIJF

-__...r."

£-

RETAINER

4-3

Page 46: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

FUEL evetem CTUI-Ionana. F--"=-.“~|.L'|-'-

-\-PI‘

I_ _

Remove the main jet. needle jet holder and needlejet.

The stow air get eannot. be remoued- It is aores: fit.

Blow nil Iete end buoy omflflgflfi with camera-wed alr-

BARBURETIIII IISSEIIIBLYInstall the |'||:l:|:lI: |et_ needle jet holder and fl'lBil'I FET-Ineiitll the float and line: I-naive ta-getl'|er-

NOTEr itTel-te care not to damage the ieti wheninetalling.

NEEDLE JET H-OLDEFI

FLOAT

1.

MAIN JET Sl.C|'\II' JET

I /I

NEED L E JETMAIN JET

PIN

4-4 N Date of Issue" Mev, IBBCIIEHDNDA MOTOR CCL. LTD.

___

.—.

.---,

1""-I

'\.

Page 47: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-:t:::%n.a.FU E L SYSTEM

FLINT LEVELFlemcrve the floltt tilfllniilflMeasure the float level 'n'itI'l the flan! Illa II-Lit:|;||'|tI|;.'H|1g the Iluat ualve_

FLOAT LEVEL: 10.1‘ rnrn Ilhti lnlflgplglx the fleet, if lhe Iloat Laval Ia not wifltirllpEGII‘Il'.'.B1II0l'I.

TIIRIITTLE HUIE ISSEIIBLYInstall the olilp on the jet neelrie.lnmlll the lot nlmlla lnm the throttle valve anddemo It vvlth the rl-eedl-a clip FI'lIiIi"lIl’.

NOTE

i the throttle valve bottom.

FLOAT LEVELIII '?n'll'l‘l I042 Inl

Cl?-ll-CI1 DUIMIIIIIII

Install 1-he huadl: ellp retalnul to lt mt: an II

E‘:ol-npresi the 1:I'lrot:tIa vellra-toting and lnltall thel:lll'.|Ie lnta the valve.

NEEDLE CLIP

Date of lame: May, IEIBIJ _ _!E'HONOA MOTOFI C11. LTD.

Page 48: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

1-Iotstna.FUEL evetem BTU 1,-

'-_ _-

Illllfili lI'|u 1|1rr!l|[I|: valve with 1Ifll! lttr-::|t||ef: ‘rnlvttoroove all-;|ne-cl wittl the tllrottle stop so-revv.

IIIIIPIBIIIIETIIII IIISTIILUITIIIIIThe lrateiletion sequence ls essantlallv the reverseof rel-noual.

I‘-IOTElo __"\'ii’*Bfl -Itfitnli-rlg the throttle l|'IIve_ QIFHT-l theli'lr'nItl: valve l}I'|I|O't'E' with the throttle $!||:|p-I|CI'LI'|I‘| .

- Cramp the 1-.l-I-ollre oe-ble and on the ca ble clamp,

Perform the lullmvlrlg Ihepnfllldfls and arlgualrneltu.

- Throttle operation ll:-age 3-3|' E&rI':|.lre'lr:lr |:hltI-te l:tJ.ng: 3--‘III CHOKE CABLE I' Carburetor Idle soeed -loaqll I3 IIJI

FIIEI. STRMIIEIITurn the Iuel valve OFF.Dlalrl the l;iIl‘L'l.IfI-“IIDT hv lrloetrnlng the rirelrl sl:re\v-Hemove the fuel value, O-ring erltl seralnar.Clean the strainerInstall Ihr: olmlrver, If]-rirllg Illl Iu|:I valve.

THFIOTTLE 'u'.\!IlI.‘u'E TOI-IO-O'v'E

THFIOTTL E STOPSC HEW

Cl-H I‘-IE FUEL STFIAINEFI

4_6 as Date of Issuer Mav. IHEIUl'l5.l PIUNDA IJIOTOI-I CO., LTD.

o-.,

.-"I-.

_,.|-|_

Page 49: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

|I"lI-t

r-LIr

I’-‘~.

F“

F“

F‘

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F‘

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1"“-

I-IcE%na.F Ll E L SYSTEM

Fll.ll'l' SCREWHEMUVALi'lN5TALLATlDNNOTE

The |J=i|DT ecnuw ls lento": on W1 ="r-F fl1fl'Hlflnot lg rqrnmlud unrest the oathurttflf ll UNIT-

_ hau lod- _ LRemove the carburetor.Remove the flout chamber-Torn the pilot screw in ind lawfully mount thenumkpr -;tl turn! hniluré it wea'r_s1ight1~,~.Hal-to i nut: nf this l|.'| ul-E -11- 1 relererioe wheninstalling the pilot 5|:-raw.CAUTION:

Darnoge to the pillor screw and roorwlllooetor Iif the pillar :‘:'NW ts rlglarmed mrbut the marl.

Hemflvfl i|‘|E lilil-U1 screw \n'lt|'| the lin1:t1|r mp it-inched-C.»\'\UTlU'N:I Any fomgole ortnmtlr Jo remote the p1'l=r.|I| """"" “""""" "P “ii i”T“"i‘Fi‘.@‘i*.3“""“""Inspect thl pilot Ioruw for -I-lint and rnplflne llneoessarv.In-rtall tho pilot sum Ind return it to It-1 origlnn-Ipotltlon u noted nlutlng re-rn-oval.Purfonn pilots-or-aw edluttrnlntif anuw pilot |I:rl=‘wlimstallecl.HDTE

DD HUI il'|!-‘till El iimitpr i;p|;| un | |1q-w pllutHtruw until aftlr idiustmont ha: been mid:lie-a helowl.

ADJUSTMENTNQKTE .

'i=l'|o nilot new it hiztorv pro-sol and no5d|u5‘|;|'r||nl is nEtEl5Bl"|' unlos the pilot scruwI: replaced,

Tum the pilot suew olooltwise until it teat; llghtlvand hick it uul to the specification given. Thin I: inInitial setting prior to Th: llnai pilot screw ndiuwmont-l|\IlTl.|l|.L DFENING: ‘IBGD — I turns out

‘EH31 — 2 ‘H2 turn! out

if the pilot screw is riekrencki opmlnir N41‘ mt.

C|fl|.'i:lTiONI _ __ __|%['!flr;q;;|§\; ml H31," p|'I|'_rt .\1",|'£l|\* flifl MEI ‘l-\-‘I11. O\£'£1l!‘—‘

Warm the |:ng.|.l‘1E up to operafino lnmperflmtil.Stop and go riding for IEI minute: ii s1|llicHirl-T-Connect u to|:-'l1I:|n'|I=tI=r-.I'4.|:Iiult 1he IIIHE speed with the lhlottle flop www-IULE SPEED: 1,5!!!‘ iflflrpmTom the pilot arxew |n or out to obtain the hiuhflllnnglne =pn-urlHa-adjust the '~|;ll|::pBEI1 to 1,511! i HID r|.-rm, uemgthe tltrottle stop -so-rew.

PILDT SCFIEW WITH LIMITEH CAP

FLOAT Cl-{AME E H

Doteof issue: Mn, THBDIEHOI“-IDA MDTUR El.'l.. LTD-

Page 50: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDA [/FUEL svstem fl]l[| /»'-~.

LiMiTEH CAP l|"~iSTfl\Li_o'J\TiUNif the |J-iiflt sore-at ii&5 beeit li:|'_|lei:ir:d_ 3 new limiter-BB1‘-‘I rI1~=ll |-1|r installed utter pliot screw soiluetment itcompleted-After atliustmerit, tzment lhrr limiter eeo over theDiiu-I !n’:tr:w. using LDGTITE FEI #501 or equiunlent.The limiter |:=ep shouitl Lt: pinned isgeirm 51;; 5t|;|p,ore».-enring further udiuetment that would e-nrioi-i mi:fuel mi rtture ilimiter mp position pqri-him |;I|J{;ii;wi55rt-I1-Btl~::n mti prevents counterclockwise rotetionl.

MUTE' A pilol strew iimiier cep Inuit be installed. It Ji prevents misseilustment that eoulti |:lLl5e pour, peiforrmnci: Bod |rlttrt:t|H: emissions.

HIGH .\i.'i'iTl.|l]E IiI1iliSTllEliTFor suetsined high altitude operation [above 2,000I‘I'|."E.5lIi i'I|' lmtn-ll s I535 main let an-r.i reridiuttlsiiespeed.RHH-flu‘! the fllrifiiunetiir irtaln the Iinqme sntl rrrni-evethe flout I;i1smi:|er-Fliepisce the standard tnsin int with the high B11i’rlJEiB#35 rnsin ist.Assemble tH‘|lLi imtsii the oar iJLlr!trJt.-'\I:i,|l-1:! Idle spurt 1|! 1.500 1 IUD rpm, Lrtinp thethrottle itoo screw

CAi..i_TiC_il'Nr' Stilt-rn'irrcti' anterior: or eir1!r.w.fe.i' in-war rim:

T-55!?‘ HI |'-i.Ut?i'-' fh v-iltil riir Irtgii erl't‘|'i‘rm‘emil-bi In .I'rt.'i'i‘.-r-li5rtri' me'_v reuse elrgirie ¢.|ver.||.rer-rieg om! oiermrge, For .-ru-rr.e.|'r1eo‘ r:-_|-,\er¢m'|;i-,1-,1below I .56'i.1 m |'.?.rh'J-‘.1 _i"r_.l_ roiettofl rim !'I.e'.re:l'-ertl win fr: strrd nsro',|iu'ir mu»: speed.

i smneaie High i=|mue= t'|'DtI. 3 MO rn 1.500 rn (5,000 tri~i i6.5Elfl ftil max. min.

Main iet man. .u-en #35' 1981- wasilctl:-toned 1.5001 l0ETr1=rn -ehe ..=...;;.' ' -iupening Faittuqg pt:-not oi -_ _-

i

4-B

Lli'|iITEFl: CAP

J

Date of imm: H-iv. ‘I990fiH[IlT\ilIiA MDTDH G-‘DH LTD.

-|—._

ET ..-_

Page 51: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

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|¢""“.

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HONDAIre» urn F UE L SYSTEM

Flllil. TANKTurn ti-is fuel valve to HES.Loosen the firain 5t:r|-.w uni-l rirmn the fuel thu-r|;|uqh-ll,-.

R-:mr.w-=1 the rioht title cover and the il3l|lH",'.D-.5130:".t‘iEttt’l the iuel i-|1r:: iiti-rn the Fuel t_a,r,l-;_

Du rsrrr -irillrm _fIs'm¢'; rrr .-'ajl'lIIl"il'4i'—f!i:t:4i'ii-' ,pr.tr.ri'i'm'ltiipr up spilicdeesolrnr or I-'fl"CI'.

Remove the s-eat_Flrmmie the terew and hnlt tewrinq] the fuel link.rheii rente-.re the lusi Téltiit.Ir-.5.ta|| ihe Fug; tinl-q rn 111-e i'|':\|fl|':il’: DH]-El’ :31‘ removal.

|'t-‘loin! sure Them: ore |'||.1 Tu|:i leaks.

i3-r:-eel: the uent noiei of the tilier can ifl-I lJl!fltl'-BI;|&-

FUEL

IThi-

SEAT

_

SCHEW‘Q1’;

Dateo-f Issue: M-:n,-', 1':'-MDEHUMDA MCITDH 'CE'J., LTD. 4-9

Page 52: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

1-Ioeena.ENGINE eEMovn|_.'|nstni.|_At|on C10 $1/i ~.-I Ti

2.5-3.5 he-n1lI1B—1‘5 ft-lhl

5-O Date-pl‘ lawn; MW, 1QBflIEIHUHDA MOTOR CD., LTD.

.—i.'

.-"""-

.-'-._

.--.._

Page 53: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

.r—.I

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/’HONDAcm § EEgm::Em=-Fe='z'='i::=-:

::- f" _"'“‘--.

eestiroe INFORMATION 5-1seems nemowu. 5-1‘ENGINE INSTALLATION 5-4

SEIWIIIE ii'iFi]|i|||lT|l||lGENERAL iNSTRUC.TlDl~iThe following pa-rt; or component: oil-i1 be !iEt'\'iE1!t1 WI-II1 T.i'tB Bl'l§ifl8 initeiiltl iI'l THE Tt-‘It'I‘lE-

I CtutchI Gearshift linkageI Di-ipompI Cviinderhceci

SPECIFICATIONSEngine tlr-|r wrightDil eapecit-,r

TUFIGUE VALUESEngine hsnqtw IJDIT5i'-'nutpeg:."xid-s stsnti arts“-I

I ¢.y|||-1;)" I i:'.r|.ri:|ur|:!r.rt

I Pieto-ni .¢i.¢.gIrnHatntI Starter motor

1B kg i39.? lit]I11‘ lit i{|J,?4 LIE qt, 0.52 Imp qt] et en|;|ins sesemtiy0.5 lit (0.55 U5 qt, 0.53 Imp qti at chine:

2.5 -3.5 lug-m he - 2!-1'1-lbi2.0 -15 leg-rn I14 --19.1:-Iui

‘Dots of iesue: Mai-,ll=1filJIEHt'Iii"-EDP. MDTDH CCL. LTD

5‘ 5-1_

Page 54: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

ENGINE FIEMDVALHNSTALLATIDN [flu .-.HONDA fleet.

ENGINE REiili]Wti. me ctDrttin the nnoinn oil.Heme-tie the tlir oi1te'1’1n-r etwet err-t1 Irnrtt cmler bend,

Flemotw the front cover.

LDDIGI1 the ettheust pipe letting nutsFtentoue the muffler mounting |'|u1.l and remote.-e titemuffler assembler-Dieoonneot the starter cable.

Sui:-port the tent:-|1.:-tale up-right with a I‘iIBI‘ll2i.Remove the footpegs.-‘tide ttenti sssembiy.Linhoolt the brake pedal return firing from rheengine hanger butt.

MOUNTING Mute

FIETUHH SPRING

'-;.;*@‘*:_I'1}PI

_.—e

Frtortt covet: ___

STAHTEH CABLE

ASSEMBL

NUTS

1

STAND _

7___._r.

5252 Detu of isms: Mere, 1980'9 HDHDA HDTCIH CCL, LTD.

|""""\

.1--.

Page 55: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

Fl HONDAJ ENGINE FIEMDVALJIHSTALLATEDN

;"_‘ Hen-nva the hhh terrsiun win: "mm l|'|E fipflrh Dluqand clamp.D]5{:|r||1E|;'[ thn |I"il'aH'.I: plpu |rn|‘I'I IHE :r\l_]|flE.

/_‘

F“

F“

Rama-'|'! qm mg-t1,~|:r pin and |D'U'l'BI'l HM! Elli! E-l'|dslwvl-11!-Illl_g.3¢5_5|'| {ha |;|ri\1l' Ch-li|'l .ir.||uiI|flQ RIG.

Ham-we the iaft aid! 1:01'wr_ nngirll mrodkti C-flvflrand Iuwar chain case.

If-\.

|||F"~.

fa" . .Hflmmln ihe rn-aster link ¥EE3lf‘llTlfl rim ind \‘"*'=|!-IBFlink 31 fhi drluc :p1l2|G|iB11.

_.-1""

.-F|

1""

IN

ii.’-.w='*.-6‘

HI --nu

HIGH

AXLE HUT SLEEVE NUT

q-

LUWEFI CHAIN CUTTER PINCASE

J-_

LINIC HETJHHIHG CLIP.-Ii‘-'

i. .-av- Hugh‘

I-

'|'I.|l|1E

UT

_ -.-1' '

-

>;.—*-*1

.9Date of léiuar May, 193-CIQHUHDA MOTOR CCL. LTD.

55 _

5-3

Page 56: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDA FENGINE HEMDVALIINSTALLATIDH [:'].|‘] '\%j' .-.

|J'i5DlJI1l'1-BCt 'lhE FLC. gE|'1E'r.llu|' nuuplur

Hlrflm-‘I: 1hr: hl'Bi'|L‘hEl' hose frum Th: faupnritflf andclump».Rerncml 1hr: two sngirne hangar bnlu and mmm-4; theenglnu.

RC. GENERATORTHEE HOSE

ENGINE Fl BDLTS

ENGINE IHSTALLETIUNIMI-Bll Thu Ehglfil: |1\ lh-0 r-wars: order 0! remove-I.

NDTE @ ""1"fl-'hBl1 |l'|1bI1lln|1 thl! dfiuu chnlrl rnastlr iink,main: sum 1-hat the retaining clip open andFaces um npnmltn uirucninn of nurmal chainrmnlin-n.

| * Huute the wire: and cabin prpperly ljpggg 1-B1' ' Flll the crankcase to ma pm-pur leual -with tha

fanom rwandad oil {page 2-2'].' Miiusf thrr Izlriw ch-afn tension luaqu 3-1' 1 I.

FTFFAINING CLIP

D I Fl ECTICI N D F Fl DTATIEI-M

TOHCIUE VA LUE5:Fllfliilllllflldi Itifid lnnmhhr: "h"

2.0--2.5 in-m I1-4-18 ft-lhiEngine hangs hdu:

2.5-3.5 lug-m lI1B—25 H-lb!

15- 3.5 'kg~rr1"B-25 H-|bI

5-4 5‘ Datuoflsuua: h'lau.19BDfin-cur-inn MUTDH :1u.. LTD.

.'-|

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Page 57: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

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.d"_“-\-HONna ‘.1’ _.cw ~;%,J’“ MEMO

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-55 flats r|-f Issue: M31), ‘IHHHEIHD1‘-IDA MCITDH CD-., LTD

Page 58: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDACYLINDER HEADNALVE C70 ___._|

€l§

,-

fi4!-E’-2%’y.

I0.9 - 1.2 kg-mI? - Bit-lb]

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I15 —- I19 kg-m' H -- 1 E1-lb!

E-0 5“ Data |:|f Issue: May. 1930@'HCIND.I‘-"| MDTCIH CG, LTD.

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Page 59: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

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E9“‘f=1“B““ BJIYLINIJER HEI-ID VIII.\IESERVICE INFDHIIIIATIDN

TRUUBLESHCIDTING

CYLINIJEFI HEAD REMOVAL

CYLINDER HEAD DISASSEMBLY

VALVE GUIDE REPLACEMENT

SEIIIIIIIE IIIFIIIIIIRTIIIIIGENERAL INSTRUCTIONSI TI1-'| =0w:1Iun CIJ\'l?|'i rnainlcnancn and In':r-rumlun uf1hr 0'|'IIn|:Iur head, values, I:-in\:l1:|1‘t il1l'I mcknr lI'lT1i. Them ilrrvicu-i can I10

dune wilih the engine ins1aIIO|:I.

S-1

B-2

H?B--4

B--9

RE FACINGVALVE SEAT INSF ECTIDNI

E-111]

CYLINDER HEAD ASSEMBLY E--11

C"|"I.!NDEFl HEAD INSTALLATION B-13

i Clmihuft m1rI r0-01-wr arm Iuhriclrlrrg 0iI is fwd thrnuqh 0II passages. B0 mm tho I‘-Ii55i.1§lll an: nut |:I0g'gnrI.I During as00n1bI\I, appiy Inn-IyI;u:I0|1um dlsulflda grease '.-0 rha carmhafi baarlnm :0 prurvlde InItiaI1ul.1rI|:arI0n.

TCICI LS5|1¢:0inI Cnmmun'u'0II.rE Guide FIE&l'|'h!f Q1554-UBBDIIIU '|.||';1]yg fluid; |:|5mm.E.,_ 55 mm fl.;;,u,umfl-mum m942_32Bfl.|mWW Bu‘-'10 Brim 0:002-1100100 Wvv E-W00 5*-I'"lIJFE5|=0-r 00:01-0010000 0| 01051-0200001

TDFIUIJE VALUESCI.rIInd0r hnad'E‘é1I'|‘| -CI'I|1|.r| :'prn|:Ic|:l

SPECI FICATIUNS

I13 -1.2 kg-m I? E ft-lb}‘I15 — I15 IHH11 I4 — T F1-'|hI

Cnmpressln-n pressure_¥.'.'.'IIII‘f'I?i°‘_II.'?_ _ ..5'EH."""3E LIMIT. _

10.0 + 0.0 |¢g.r=m= ms I 1 pm A26.1]? mm 'l1:I;1_2lE|_|nI 25.59 mm I'I.CI'I In_ICami"-:|1'1 Cam h-eiqm K IN.

EX] £6.-1"‘ "~".~_i!."1fi..i"I -___? _._..___‘E§i_7-iB'%‘e":'1r11 'II';.5.I.Ti"1Dil |:I-earlnc-eIEII-dc :1I:I|'|-nm

R-:x:I=0r arm shaft 0.1].R0-cker arm LEI."-"aI'.rn spring Free Iangth Inner

£1,010 — 0.1125 mm IIIUDM — IJIIIJID In) CLUE rnrn [D.I'.'.IIJ1' In)"_ 0.004 - 0.035-hm 10.0002 - 5.0014101

0010- 0.000 mm 10.3020 - 0.3-00:2 am 0.01155 r0'.§0Fir-010.000—10.010mq110.aa:r-0.30431:-I __

15.1 mm I'D. In]I Dr-I'n|r

Praluadllennlh lnmrr

[I-IJIIE-'|'

118.1 mm I1.1T in]_ i

2.45 — 2.75 1952.? mmI511-B1 —__G.DE3 Ihi-'D.B5I inI _5.55 — T.'I'5 IIiQ."2-FI.EI mmII-'1-.551 - IT DEG I:IJs."U.SB ir|I

10.10 mm Iriaéa InI__1's1..r*.-..~25.9 mm I1.DB|nI

[DB4 |nI

2.3 k§."2?.? mrnI5.D'|" I-I:5_|'EI.B-Q |n:|

EL3 k;|.'2-1.9mm(13.53 lb0"IJ.EI8inI

Valvu maids! 'l."aII.ra stam IN.u-mu D.D. Ex

5.-I155 — 5.1155 mm 10.1145 — 41.21152 in)5135- 5.145 mm ID.2‘IAIII — 'Il2'1-'1--I In]

E.-\1=DC| mm Ifl.1"l2B In||5.1100 mm Ifl.211'BIr||

' va'rIq0|0a—" m.Ex.LEI.

Srnrn-In-guide Icluranua I BL

5.400 5.-100 rmn 10.2150 - 0.2150 an:5175- 5-‘I435 "'.'“ ..I."?'.-?.I_5.5..- "P3159 "*1

00.0004 -0.001201;0010 - 0000 mm“E59 "i15_'P_""'L_I"-"'l13.;‘!.I.I.'?EI.'.'3I

I '\-"aI'.r0 seat wldthCylinder head Wtrppgt

1-0 rnrn ID.EI-II InI-A . -

0.500 mm 10.210510}5!-'.5F1'9!"_’.'1 ..I9;3I55.I"_I-0.0a mrn 10.000 gq|__I110 mm ICLIJU4 inl

_ I.El mm IIIl.'l1E| in)ELD5 mm IIII.II|l12-in]

Dana 0| Is.-sue: May, IEIBIIZIIIEIHCIHIJA MDTDFI I‘.'2C1._ LTD.

51' ' 6-1

Page 60: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDACYLINDER HEADNALVE CTIII i _ —l 1-

TIIIIIIBIISI-IIIIITIIIEP0 rforrnence nrc IJI-ems related In the cylinder head can l.l:Ll.tlII'|r he diuanaeed by n |:t.'|l'I‘|I‘Jl'£:e:Ir.N'| tie-.1, nr nnice |'Jrul:|In-rn-i whichcan he traced to the 1:0-p end with a saundlng red er i‘I1EfI'||:|»:-¢m'.I|:,Law Camnretsicn Celrmnrusiun too I-Hgh1. Valve: 1. Excessive carbon bt.|IId-up an pluten head er uflrltbusliurl

— Incorrect valve adiustrnent r:I'1.eml:-er— Burned or cent uflI‘|'£: Eula“. "DI"_ gt:-.|;rl'l-:I?I Tulve liilming 1' ltmtkmcr w|_“__’diuumEm

B I1_ _ no En V W Em u 2. Sticking valve or bra-Itun valve sprint]2‘ Clflgndur "Md 3. Damaged 0r warn camlh-aft_ 'lIL;.aaInn|] cnr damagsd head qaattet 4_ Linn Dr “mm cam chain

_ amid Dr “ache ':""H“d'T ‘mm 5. Warn er damaged cert! chain tanelc-ner3. C1-' Iihdflr and piston {Refer to S-lctinn TI BI Wm,“ mm zpmckfl math

6_ 2 58 Date cf Issue: Mrw, ‘I530IE-'IH'DNEIA MIJTDH CI}. LTD.

‘_-

_,_

;-_

.-"*1

Page 61: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

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q-_

Fnorcna.CYLINDER HEADIVALVE

CYLINDER IIEIIII IIEIIIWIILHem-zrue the Front mover[Ji:nur|net':1 the intake pi-pa from the cylinder Mad-'FI|rr'ri;|;ri.ra the |:ur|'|nr_'I |1|:||'l'l1 CDHEI in-DI TUH1 12I1Brzcanlcshaft cnun'tercI0cIn'rir-0 in align the "T" fl'lil'Ii-m1h the I11|;Iex mark.

Rqtnnvr the l1'|UI'IIBI'

Rarn-due the Fault plug HP.Rerneue the cylinder hcn-I-I Ielt aide cover heremoving the through halt from the rlghl !|IIIB.

Ramaue the camshaft sprocket-

INDEIII MARK

1-’FI- -L

'1' MARK

CYLINDER HEADLEFT SIDE COVER

.-A

.l¢- _

SPFIDCKET

....nll\l".I

IJ-ate'0f Issue: May, IEISDIIIHDNDJI MOTOR C11, LTD.

55 6-3

Page 62: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

0v|.|rv0ee HEADNALVE [flu J__:-"

HONDA .~"'.T

LODBBII II1: (:1.-lllrder I5 mm bnlt.

Remove the cylinder heed E n'||'|'| halt and r;-,-llndgrhead cover.Fiarnave the |:r-,rIIn.elet heed.

Remove the D-rinqi. cvlintlet heed gasket. and rrlnluglpins.

[IYLINDEII IEIIIII DISIISSEIIBLYRnmuvl: the I:-pllndat head right aide eeuer 00.;-Igasket.Flume’-1|: the valve Inspection cape and D-nnga.

CYLINDER

IJCIWE

CYLINDER HEAD CYLINDERE-mrnBl'JL1' Blnm BOLT

L PINS

'5'st‘I .

‘II

GASKET O-RINGS

v.».|_ve INSPECTION cams

CYLINDER HEADFIIGHT SIDE -.',‘JI]'lJ'EH

6-4 ED D-110 01 lawn: Mav, T!-Ail]I-DHDNDA MOTOR £20.. LTD.

._._

_.-_

-I‘-I.

Page 63: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

_|—.|

'1-I-.

f,|—.

F‘

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'3".

.I"_‘*-

ll/"'.'*~.

If“-.

r’-.-Eh!-Io1\tn.a.$5,» 010 CTLINDEH HEADIVALVE

Sgrgw an E rr|rn Ia::iIl |rr!t‘: 1'I‘|E IDEIIZE-I’ il'|TI 5I13"I'l' i1l'll'Ipull me ihafi out Qf the I:','II|1rIEr I‘rEIB.|EI.

FI|.7rr|u'.r1} the r-ackel arma.

Remuve lllc camshaft aitgr-lnq the um IOI0e-.1. vvlththe cvllnder head cutcnts

gemmn ._h|_. 1,-.,|\.,-I gpriq] 11u|1'1:cri_ retainers. inrinptand valvea.

CAUTION: _ _ ___ ___ _ i“fa pm-ma luvs 0|’ rvrlsinn. dv Hr“ IWPIPFFH I!!!‘

M-_r1.E 55.-;',¢35 fl1I[_|}‘£' f.l':|¢|':.I r|er:-es.sa'r_|-' I-‘r rearmvel| f|Ile'_lEElfI-!I‘.'I.

Hm-|1|1|\|g\ \|I3|q'E spring 50.01:, shim I.E|.BJ caps and !1El"lIseals.

ROCKEn AFIM5 ROCKER AFII1-I’

CAMSHAFT

VALVE SPRING COMPFIESSOR

I:Imrn HOLT

.-

Date ef Issue: Mav, IEIHOIEHOHDA MOTOR CO. LTD.

B-5

Page 64: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

CYLINDE R HEADIVALVEI-Iowna./’cm E13.»

Flam-1:00 r.arb0n deposits from the DIJ|'I‘|I.Il.'tlI|:|nchamber.

CIEHH eff the head gaslrart surface-.

NOTE‘ - Aueid damegirrg the gasket mrtnce.

-Gasket materiel will name c-ff easier if neckedin eelvant.

ROCKER ARM INSPECTION

Iraap-a|:.t he r0l:Iter arms fer damage, wear ur clogeclall helet.Manure the I.D. of the rueltar lr1'n.

BTAHDARD1 10.000-1D.fl1E IH|'II

III.393il'—II.H-I-I-3 InISERVICE I..I'II'ITi' 10.'IEI HIIH IIIJSB IIII

ROCKER ARM SHAFT INSPECTION

lnspa-r:r.tha maker arm ahalt fa-r wear 0r damage.Measure the ELD. at the rucker an-m rI1:rl‘t.

STANDARD: H.371!-SSH mm10.09.20-0.303: ml

SEIWICE LIMIT: 9,91 rnrnII1.2!II12|nl

6-5 O-ate cf Issue: May, IQIBIJe5}-IIOI‘-IDA MOTOR CO.. LTD.

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Page 65: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

_;—\

__,.¢—..4

F

1"“-

F1

'{""'\.

1""-

f""

‘,4--.

‘I;--.

I-Iomnn.IC10 CYLINDER HEADIVALVE"-1;

CAMSHAFT INSPECTION

Using a micrometer. measure the cam Inn-aa.Ch-|:|:k ldr wur ur r.'Hr|'|B=g|:.

STAN DAHD: 25.9? mm H.025 inlSERVICE LIMIT: 25.55 mm I'I.fl"I1 IIII

A‘?

CHMSHAFT DIL CLEARANCE

Mnnum and rrrcmd tha camshaft iuurngl CID-Measure and rennrd flan cams!-um hearing l.lJ. in thecylinder baud.Determine the -|:a.m:h|'l1 huurlng oil qlgimngg.

STANDARD: 0.01 0-0115 mm[IJ.DIIJ3--0.11015 H1]

SERVICE LIMIT: DJD5 l'I1Il1 IIl.IIIlZinI

VALVE SPFIING FREE LENGTHINSPECTIUN

H-uaiurg tha lgnglh Q‘! lhq lnnur and cuter \|'.ihIE-5-prlhgi

ETANDQRDIlrmur: 25.1 mm {D39 In!Uuur: 25.1 rr|mI'l.11inI

SERVICE LIMIT:lnnlr: 23.9 mm [U34 InIDutar: 25.9 mm I‘I.l.'IE HI]

Date of Issue". Mn-, IBM 53 6- 7E-HUI‘-IDA MDTDH CCL, LTD.

Page 66: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

CY Ll ND E Fl H EA DFVALVE ‘I'\'. -VA L"u"E STEM--TD-GU I DE CLEA Fifl\i"aiCE

lru|.1:|:r finch value for i:|=enr.lln-g, 1.1|.|ming, wmdqqq |J|'Msurmal i‘iIE*fl'| wear.Chuck vnlvn muvnmant in the guitinMeasure and re-::urd path vdluq stum C|,|]_

STAN DAFID:IN: E.i455—5.#B5 mm [H.211-8-0.2-152 iniEX: 5.1-35-54145 mm ED.21-W-iJ.i14-l in]

SEFIVIBE LIMIT:IIWEK: E.-40 mm [H.213 ini

NOTE _ _I Fi-Ham tha |pi-cia tn remnue an-,' cm-bun build-

up before Ghflfliing ulnranm.

"-IIBBII-IF! and record ca-ch tr-ltiul guide i.l'.i'. using aBfflfiil hula gauge cw inrlida micrumatar.

STli"IDAH D:IN,|'E}i'.: 5.115--E.-GE mm

IU'.Z15B-0.2159 irllSEHMIIGE I.'IMiT:

INIEH: 5.50 mm IDJIB5 lni

Ufllnrrminu the I-tam-t|:|-puida daamnm.STJUIIDA Fl D:

IN; lJ.II‘iII—O.fl3fl mrn ID.IHID4—D.iIl1ZIr1i-EX: Il.D3D—Iii.UElJ mm IEi'.III12—-<D.iII.I1U i|'|i

-EEFIVIGE LIMIT: IN: IJJB-B l'l'lI1'l {II-flflfliniEX: fl.'IUmm iII.'DiiHir|-I

If the iIEl'\'1-‘ED-QJICIE BIBIFBFICE B_.K|3HI'di- the wrvim:lirnill. thllen-min-a it I mm‘ guide with standardciimaniiona wuulci bring thu uiuarmcl withintolerance. If so, replace lira guidas as rhacarr-I-ary andrfifim tu Fit-if the stem-ta-guide uinaranca Eiliiilllldl thn mrvuzulimits with naw guidaa. rapiana the Inivns arhdguldus-

§~iDTE__Fiafana ma valve _aaats_ when-uavmr Thu vulva

, guides-Ir: tupimad ipql B-'l1]i.

.-—:.|

\|"|§L'|i'E GUIDE HEAMEFI _mesa-uasoum I

* K

- {J * -. . '- Hi -._ _

El '\___..-'i_T ___._#:- III .-7-%'._I| L__’_,__. ll‘

|| 1' ‘I’ -I‘ II I1'. _| ' -" __ -' _.- -- -I_. ._ . V _. =13-1:

R. $33‘ §;“..».:*fi."-3 .1 . _- __—— ', . '_| - -.

' ___ I

._ IIQT-I _ _..-' III‘... ll

*3

r

—\_

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a—H-

6-B Bi Date uf luuei May, IDEIJ-DHDNDA MGTDH LTD.

Page 67: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

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1"‘

'11-“.

F

K“

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F‘

F‘

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1'7

I-""“'~

HONDAgéé CT [I CYLINDER HEADIVFI LVE

'H.l.VE EIIIIJE REFLIIIIEIIEIITSupport the cyllndar head and drive the g|.|lcla- outfrom fin} purl iirih.

MUTE U_ _L vmm driving out the u-aha guide. do not I

IIHFl'|I:tQ! Ii'H'.l I'll!-IIIII

Install a new uuanfza vulva quilzln from liw In-P HIthe head.

Flpim lhu haw viii‘! guide altar lnllnlltl-I DH-

VALVE

VALVED7912-‘l

G

-REi".I'|I'J‘u'EFI

TCIDUIDE DRIVER

VALVE GUIDE FIEAMEFINOTE _ mas-maanuou E43QM

1 Uaa milling nil on 11-we reumar dur"'Ia1|1il 0'11"" \ . 'tlnn.

- Flmnu ma rsamc-r whflfl |I'I5IH‘TiI"-I Md i9|'"'5"""§_l

FInI“u|;\5 Iht: vEIl'nE SBBI llllflgi 5-Tm. -*"'-- -:_"-- I I "

/Illa-an tha cr-,r|i-\d=w mead flwumuuhlv tn rufl1fl'*! iflv _ L.-=""-..'='.-F - I ' --maul particles _

— e---1-.

_F.-IT_| I'._l

r-:~_.

{J-"_-.’-'-"—"2I"'-J

,-

:- I.

. _.___ <1-- *~:_-._-.- "'."- ___‘;P.__

I‘-JX

.‘.___IJ

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_.5' _ -~\~. _~.__‘.---‘,1’

___--I"

.In

."1"

IIII

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Data nf Isaac: May, IQECIIIIHCINDA MCITUH CU-., LTD.

Page 68: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONna. Kcirurueee HEADNALVE [:10

_ _ _i I I

IIIIIVE SEIIT IHSPEBTIUIUIIEFABIHEClmdh Ii-nth intake mid m-ch-ans! '-l'IIi'lJB=S- themuqhiv turum-we earhun deposits Apply e light eeatirig 0|‘value lapping erampnund 1|; 1_'!I,lI2|'1 vglvu fem, LapB-lfih '-‘alum and suat using I rui:|i:|er here or d-therhand-lapping tout.

NOTETake mere net. lu allow lh: mmpwnd It! enter Iilirlwflm the valve-stem and guide.ll-lter lapping, wash ciut the itmnpnund enm-IJIETBW mil apply a edit of engine ail tu thewaiira flue an-d seat. I

Humova the value and imnact the flee.

CAUTION:I The 1‘i|h'I'£'.'.l‘ mrmm be I-ruiinii. If mr 1'a'1‘ve_|"m:'e

Lt r|:.I|:,ei1, P.-r.vr.1 :.:rre1'mI_1r_ .'.Il' er.1rrJ'u'::.'. riise .aea'.|‘rmurnp-er£_:', rile 1-u:t.|‘ve muxr he rep&:|rer1'

Inspect the velve se-at. 'I1‘ the aim in rue wide, tee narr-mu, er has luv: spots.the wilt mu:-1 be gruum:i- I

moreI Ii H VALVE sen WIDTHH ,Fulluw the refaeer rnenuIu|:turer's -p|:nerat.inq

iI'iII"\I-I:‘IiD|'|5.r‘

.‘ff

-I’

ST-'5-ND-ll-RD: I.Clmm-iD.El-IiniSERVICE LIIIIITI T.5I'I'|I'I'|

iilEl&ini

PEI.’ |Alter nuttlnq the seat, apply lapping eumpuui-|:l tnthe value feee, and lap the value using light pressure.-lll'l|:r lapping. wish any residual Dfll'l'I|IlIJUI'IIi nI'l' thecylinder heed end value.

6_-I U 55 [J-.;|1u I'_lI IQI-{IE M1-,=, 1980€-HONDA MDTCIFI GEL, LTD.

-'1-\.

--_\-

.—|._

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--I.

‘T1.

. “\-

Page 69: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

,—.

ftHONnn.Ikfij,-' [:11] cvtluuee HEADNALVE

VALVE INi"-IEFI‘T BILIHUIER nun tsstmatt calm =.~=-qt;

If’

if-'-~.

1"“

re

1-

1""

I durtlagc.

. —'-.

1'“

._i

i|t5IaiI ||:t\' iiulv: sI|t'n s:::l:..

Luhrit:-ate E-at-I'i valve i1.£|‘|'| '-\'|1J1 rnul'g|-l.trle|1um|Ii|5-uiEiti|: |3|'I:'.?ISl! :trt|;| int-:|;:r1 the value intlj 1,115 I,|.3|';1|3taiida.

NCITETu uuuid damage tn the item |.r_ti|I, tut-|1 rhe_ivalve sitv-vlt,| vmen irvsertinp. _

I‘-‘tililll the ‘valve sprinpt and retainers.

lnetell the valve cutters.

CAUTION:l

TH prr'1'E"JrI |‘r.‘rt,I.fij.'r1 |i'.i3'.g,_ |;J|'-'_.I flur [r_1m'|r:Irfl.,\' {hfuttivr r,t:Ir1'r|,z.Ir|-urr than nt-ct'.t.tt:'r_t- ru m.trei.|‘ themire t.Tr{.l' err.

Tap the vei't-E !I'.n|11l pltllv with |t I-pit ltanlm-er Infirrnltr seat the valve cutter‘!-

|_ '5u|-ipurl |l1'e_t:-gilrttler ha-ad abuue the we-ribench eurteue to prevent tn-udfill-11¢ vflivé

NOTE _____ ___ _

-.¢. II l

EPRING OUTER STEM SEAL UALVECAPHETP-INEFI SPFIING

% %_,_ O.

seem.-e 51-emseer seal.

IIII_."

II 1‘O

VAL '-."E SPRING’ ceueeesson

DeteoIZIHUHDA "i'i':IlTDFt Cll, LTD.

Elisttttz Hm,-', i‘!31Bl'J 6? 6'1 1

Page 70: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDA r"tI:vurteee nen.erwt|.ve C-III . -.

lnutall the ceneqrteft aligning the cam igbui wifl1 thecvlihder heed cuinutq.Align the camshaft huie with the qliind-qr head5l'i|:lB:-I l'l'1B-tit 1'1-tr ease tnrrulwfl _aprecJt'at installation.

Apply a thin cu-It of engine pil tci the rucher armti-nifu.

lnt-tell the rucl-ter etml and trltnll-I with lite Illfflflilltlands facing cut.

II‘il.i{l'|Ii the t:i,'ilntler head tight sidia ctrver using e newQltiiifl.

. _,_--

INDEK MARK

I’; .

l_

Fl ARM

. -\-' |

r"'_"‘\,

CYLINDER HEADRIGHT CDVE R -" --

._"\".

-1.

6_-| 2 5* Deteoflaeue: Me-,-', teen‘E-"llUl"-ID.fl. IIICITITIFI |::0., |.l'u.

-ii

Page 71: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

_r-

‘_.-.i

F“

F‘

r'*~

F“

r"-

(“R

If“-.

1""-

fl.

-fig’ CH] CYLINDER HEAD.-VALVE

IIYLIIIIJEII IIHII IIISTILLIITIUII eewei Pieslngtgil is nnw E'fI'IfllIIEF heed geeiret end new nil \ I’ tuaesage D-rinpe

.1»

\%\\\\-F1- T-In

092';I

GASKET BRINGS

CAPInstall the evllritier heed.install the cylinder heed ttlvet WI1-‘ll Th! WOW ft"-1i"iJdown IEIII !ti!IE'i.

NOTE .' Be e-ure to inst-lii 'I.I"iIi sea-'l|il1§ Il’l'i5Il|"- MP9”WM]-H.-I tap "U5 |u'|-Q] nut nn the cylinder hllfl

I i=e'r'£5e.=.I1?1"- _Tighten the nuts.TDFICIUE: 0.9-1.2 irp-In iT—E ft-HalTighten tha t;'gt|i|rlI.:i|:r and head El mm bolti-

WASHEFI NUT HEAD E-mm BDLT i3\I'Lll‘~iflEFiBmm BOLT

INDEX MARKTurn the trrehllul-utt eounterclucitwise ant! align the"T" and lnde:-t marks.Lumen Ih|t;| mam ti"n'|i|1 [E‘I"I11I‘.I-I'll! innit H.111 andadiusting butt.

em tri irsue: May. ieee 55' 6-131111:-|C|r-me. MCITDH ce, tre.

Page 72: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

BY’ L I ND E R H EADIVALVEHONDAcm a%;,»%-..b_

Pllwr: rhu I:-am chain over mg carruhaf: 1prqq;|r,g1,aligning the fiprnnknt n-rruqrk with 1|-19 gylindgr |-madIndex mark.Install lhl namihaft lprnckei an mu qmmafi: indtiqhtan ma spruclr.-a1 l,1ul1s._TEIHDUE: :15-0.9 am 11-1n~|u}

|l1P-tflll I-Hi! tvllnchr hind lufi ii-da cmral aligning th:T-lng with tha uvlindar hand nut-uh.

111:-tall the mufiier.1I=lH|| thu spark plug cap.Connect the lntaka pipq,

-filillult H19 vmlvfl CH-1rinl:1: Ipqu 3-Bi.I .In-ital the 1:I:rr'r€a|::t |:Iu-|nt towr. ___‘-Rxlluxit the cam chain tanalun 1p1u_:|¢ 3'-B},lrmrall thu final. cuwr.

INDEX MARK "D" MARK

TANG

6-1 4 To Date 1:‘! |!zn.l:‘ Hay, IQHD@HDHD-5| MUTDH C11. LTD.

In

__\

.--11

I.»-'--.

..-_-\-_

I2-\-.

,_

Page 73: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

/’HONDA~- _ mu,_

3’? -

'-I-\.I

,1‘-'\-.

Ir.-\-

If-_-\-

.--.,_|

.'I_‘

M-EMU

[I353 Q‘? |5iUqI Muqr, '|QHD

@1‘|UHDP|. MUTUR CU, LT D.

Tl

Page 74: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

A I_p______ _|

I“?xijfilk_H__H____?____H_‘

‘F_

___|)_h_x__ifT,“____H|HW\__‘EH

Nm:_%l_%Fm"Jig3“BL______;___i___‘\\_______’___|

1rd“IF

___ IIIIII

\_IIHHIII-_ ____ ___I

_

iff__If________

ll

__ ___‘

I-___ ___5

__ |I______

__L

TWIHHILII

YC_

______|__|_____hp.__

Qii_

__

A__ m__

H_]_____J__h_____|___m::©MmW_ EWQQQ

AAA1 fix_Q

MA

mmmmmgDTL

wm

Page 75: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

ll’. -I

fr"-.

. ‘

IF-

IF.

4""

F/_*.

F-

F

1"“

Kéyll:-1::E1?=I|rT]n1=|.. 7. CYLINDER PISTONSE FIVI GE IN FD H HATI D-N

TFICILIEILESHDDTING

CYLINDER HEMDVAL

7-1 PISTON HEIVIDVAL 7-3

7-‘I PISTON INSTALLATICIIII 7-6

T--I CYLINDER INSTALLATION 'i"—B

SERVIBE IIIFIIIIIIIITIIIIIGENERAL INSTRUCTIONSu C\rIindnr_-‘|,1i:.tnn malnivananua and lnsn-action can be purfm-ned with tha anaim inita!Iu=I--I Canuhaft and rnckar arm lubricating n|'| I: IBIII lI‘|fflHI;I'I1 t-‘I-‘II HIIIF UII Flliiiflifil 3'9 ‘I-"E Th? 955533" 5"" ""'-IT ¢"'3'9!"'-I-

s"r:-mn mo-11.005 -- -u.u1s mm _1_;.a5qa_i:a51u I":

SPECIFICATIONS

"E1I.D'.

U I*I.1;:n rinq-to-ring TOP I|;lIl1jUl“\ TITIQI QTUIZIIHE flfllrlltfl

n-cl I 1 A-=zin P 1 D" FII11-q and nan TOP

Cylinder

Piltun.0.010 — D D-45

|_ _ I H.15--[L351-mm

I 5EClJN_D__|_g.'_l5-Ilflfimrn. __ _ __|1;5_|1__ I t'l.31'J-U.BDmm

l'|'|

DOB

IU.U§filI:I_.D‘I"I-_IflI

IIZIIDE — U.I:I'Il'I- InI

Plstqm 'D,|II, 45.93 - 47.0? rh _II.BE'IJ' — I.BR5fl-II inl

PI5Ifll'l pin bore _ 11501 — ‘J3. mm 10.5119 — El."-51 TI IHI

._E'1'1=.=."1a12*!:!?!=_"!=t"!*_‘-F?-_ "’+F"?.— 1=’:9f’:?*:!11..!'i?:.5i1i15*=’-5‘"IRig,-tg;|_|-_|_t:|i|-| up, _ IIQQI 13 rnrn IIl511G—U§I'IBI_nIP:-»<=~-u=-pm».-=|[email protected]=@==¢r=n= I"£'IE'.@_—_9-!I!1.'?».""" 1+1.-war-21 - I5‘-'.1.'E'9§..'.'i fl-'1?"=~~=~1 <11-"HP-'='~*I ..Cvllndar-to-piston clearance DJII5 — U-D35 ITII11 IU-Um: - U-5914]"

Mun -11.0-ya-_5=gn_ 10.000-I - u._ua1a i_['1_Il___III.1 2 n'|rn i_§J.q!I!\_5_'qLmm mun-n-1 - n.u01_a In] _ 0.12 mm _IggI15_inl _

'¢é|.Ii'1'i - nLi:i:;€|}»: -A-

I _ SEFWICE LIMIT_ -I-HIE n_1g|____t_1_.a52 inl

0.5 mm __It|.I5|? InII15 rmn 'IEI.D‘i.‘ in]

-II-6.9-III mm H.847 In)

13.055 mm IEI.‘.it¢D inI11I.1|'nrn IEI.52|nI-

1293mm ID511 In]

‘ |J,15rr|rn IIJ.IJDGinI‘I ..I.

'I'II'I]I.IBI.E5IIIIIIT|IIECumpraallnn lowT. Warn wllndar clr niittln FIfl!'_|'lEamasslma imoka1. Wmn c-pllndar nr plstnn urn;-|2. I|'n|J'rn|:lIIr lmt-allutlfl-H at piston rims3. Scored or a|:.1at|:!'-ad |:.\i1t1:|r| or mrlindflr I-\'$I|

Dtrarha-atin-Q1 Eacas.-r.Iua cub-an huHrI-up nn the nl-H011 ul flflI'flIJLl!l‘IDIl ahamI'l:Ir willKnncidnq or IIlI'Il'lI'Il1II min1. Warn piston and tn-'lIndet9‘, Ett|.*:E551I'Iv‘E carbon build-up

Date of Issue: May, 1950 -‘I!IEIHDNDA MCl'l'DH BEL, LTD.

7-1

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I-ID1‘\TD1!..(/E"|"L1NDEFI_i‘F'|STUN C-III “--

IIILINIIEII IIEIIIWALHem-m.=e the c~,-Iin-.ie|' head [Salmon GI.Flamcr-'a the 6 mm haltFlumm-u Ihn gun-it: |uII|!-1 pm aru.I guide roller.Fiammle the cvlind-er.

PI-eirnrwtr tho D-rir111,qaiI-re‘! and |:Iuw|:l |.mu_

CY Ll NDEFI INSPECTIUN

Inspect the c-,-Ilmtur burn rnr umar ur |:Ii||m:l;|u

-I‘

Meat-urn thn wlindar |.D. at thraa laueli In III an-cl '1"mcia.

STANDARD: 41005-4?.u1|s rnrn|1.II5BB—1.B51DInI _ _ _ _

SE HUICE LIMIT: 47.05 mm H.552 InI

'_ ~:--"P!I°‘T'

_ _ L _1__ TOP‘ " ' : ' r- .

=._':__I__:)-—-}--...l SEGCIHD

1. 'r|-nan

7H2 I T-I

LLEFI PINpr.-1 -.—. . 1-

. T

PINS

Dal: ul issue: May, IQIBD'53 HDNDA MDTCIH F-U-, ITD.

|-"'_"-\.

/1"‘.

__4—|.,_

_.-\.,_

Page 77: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

"" \-M-J BTU cv LINDEHIPISTDN

“T PISTIIII atunm|"Eacc I anon lrowai lI‘I crenl-main to I-':r:r1 dirt andperuout.

FHON’nae. -I

L

Hem-one the piston pm dip with nE|£r.IIu nuee piieu.r-—- I'I'€I$i ‘I111: pitta-n |'.|in out.

Hemmle the 1.1I1mn_

iiIII‘-_"'|.

ea‘’__\ PISTDH PIN c:.1P _

PIETDNIPISTUN HING INSPECTIUN

hhmurp II'||: piston rI|1g-to-gro-we olaararfl.STAN DAFID! 0.0 'lfl—I.'I'.III~lI-5 n'|n1

III.l}IJDII-*-CI'.III1l- inISERVICE LIMIT: 0.12 mm ID.MBInI

-I Remove lha |J-IEEOI1 rin|;|-5..

NCITE _Do not damage the piston rlnga during re-rnmrul.

Inlipact tlw pinnn ion riu-n-am: and mranka. rinagramraa for waar

r-

rwInsert each piston ring into the wllndw. andmaaaure the arid gap.

STANDARD:TDFISECOND: III.15—IJ.35mm

III.lIIl~B—fl.'I!I1#InII,-5 OIL: fl.30—0.Bfln1InIfl.fl-12—D.D35in]

SERVICE LIMIT:TOFFEE BOND: 11.5 mm IILBZ in]

If-

Dan; qf lwue: May, I981] T5 7-3EIHCINDA MCITGFI CD., I-TI“-l

_

Page 78: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDAfGYLINDEHIPISTGN CTII

In'|B::aur1.: the piston OD. 10 rnrn IO.-I I-nl abovethe aI=:|rt': hdrttum,

STANDARD: 48.88-47.00 mml1.a5::|-:.ae:u| InI

SERVICE LIMIT: 415.50 mm 'II.B|l-TinlCflicuiate 131a r_",'I|:1:.Ier-1|:|-|::i:|:|-:m ttieai-1|-||::¢_STANDARD: D.|IIE-IHI35 mm

Ill.DIZlIi—II.IIfl14 InISERVICE LIMIT: 0,15 rnrn I(I.BMl|':I

I|$E.B!I.1rl lhl piemn pin hull I,D.s'rmoano= 13.002-13.000 mm

II1.511a-11.5121 mlSERVIIIE LIMIT: 13.055 l'l'I'l'I I'U=-51-I Il'lI

_.-

Ramoua 1.'h:: Iu'It ::r:lI':I€|:nB IT-\'3'-fI!"I'.Measure tI1e connecting rod small and I.D. with Ilrmili hole gauge.

STANDARD: ‘I3-fl‘I3—13.fl-I13 mmIo.e1:a-41.515 ‘mi

ae|=w:::e :_m|'r= 111 rm: In.ea:n|53:; nation II} for rauieoerrrarvl prneédurfl. -Inatall the I01’! ermkeuae never. -

Date of Issue: May, ‘I950E‘-‘IHDNDA MUTDH C-IJ.. LID.

?_4 ‘re '

.131

-I.

-L

.-“""‘~

1""'*~.

'—_‘I.

.I .I.

_|-._|

Page 79: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

“I

:""‘J,-_--.

’;""\.

F7

r:

f"‘-

F"

f'\..

r"'*

-'-\

@a"‘:1:5":: CTLINDE FUFISTDN

Mun-sun: the piston pin Cl.D.STAN DAFID; 1 2_.BB1l-—I3»MG mm

IILE1 15-15118 InISERVICE LIMIT: 11$ mm ID.I5'I"I I'I\I

C-almtete the pistorr-to-piston: pl:-I ::Iearan¢':e_STANDARD: II.II‘EI2-IIIIJIIII mm

IILI-'lI3D'I —I'J.EIIlS InISERVICE LIMIT: B.IIIT5mm 'II].II‘II1IJ- InI

PISTON FIING INSTALLATION

lr|.11;|I| the pinnn rinqa -mm we marilinei hrfina He-% TDP ewe

-After Imtaliatiun, the rings ll1:uLII::I to-'I;IIl gggqyqg. mmgI'reaI'§'. .___

(.___ I . [1-o not :1:-_I|:_::_th| rap and sauaind rinqa. OIL mug

Space the piston ring and gap: 130° degree: HDBFLDie not ellqn the papa In ‘I115 fill l'II\-I}i-

"r——1“::.<\

-=1""-i==:-' an: '

. ‘ "~. —TDPSECOND

_ SIDE HAIL

- SPACER

II"I”._ _.|—I|

"1, Jmm_gB MOE aloe amt.in l'I'lI1'lD'H III -ii T‘-—-_ GAP

_"Ir.I-.___

- ~..-' T“____.'“-»-

_ __:-

Dal:-U:-::|'I luu-a: May, 1956EIHDNDA HDTDH CCL. LID.

T? T-5

Page 80: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

PISTIIII lIlSTll.LlII'IIIlIAfinlv moi‘,-b-danum LIILLLIIIIIII: qr-use to the nonmet-ing rod email amt.lrdtali the piston, piston pin and clip.

I‘-IDTE' lnetall TJIE platen with lhr: "IN" r:n.;|rIc facing

H1!‘ ir|I;||Io:e ;irIc_' Do not align the mater: pm clip end gap w|th

the plslitm 1:uI!nut_

I.iI'|.IIIIIEl-'I lI'ISTll.LlII'il]IIII151-ill 1.I'|E' |1€ILl.IE-I pafll, Cl-ring and gitiqqt,

Apolv a thin coat of engine oil to the |:|I|1|;1.-r| ring;and cylinder wall-I-rutail ll-in cyiinehr, oumprnstinq the piste-11 rings.

~'=.=.IE _When the cylinder is half“-e-,: |:Iu'|f|' the |,'|i1-fljunlr-IJLIT-I: '01: tum chain through ti’:-a ctrlin-dar.

%_

o-nine PINS

7-e E Date of Inue: Hay, ‘IQBEIEJHONDA IIIICITGFI C‘-D-. I-TD.

HONDAGYLINDEHTPISTDN ETD .-~.

.---—.

.-"'

Z‘!-I

.-I""'\.

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"“ j’ CYLINDEFHPISTEJN

Install ‘mu :;n.|'n chain QLIILIE rol-ler and 1I|_1h1+:r| ml!guide loller pin

TORQUE! LI.5—'l .4 liq-rrl IE-.5—‘III It-IIII

-"H Loosely: install the El mm belt.

Q'.§.ins-tell the 1:1.-Ii-:rIer hes-1: [Section Bl.

I

-"'1Ul|_‘IIn G E

F-.

-'-‘~.

f.._.

Ir.

.-I-'.

|F'—-

Date of Iii-L=lZN Ma:-'. I-'=I’3l1 Ti 7_ T-§-lii.'i-NBA MUTCIFI E3]-., I TTJ

Page 82: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDAc|.u'r::|-|_ C70

3.8 — 4.5 kg-m

.,__ .'l.E’ - ---.__ "-_.___k

._~.

atJ, . ______

I-" "-. ~.

"E:-___“-_ II _ ‘:21-

»-—:. K =:~ --._:.l

3.

'\\._ ""'~._"-.

"'~.

:1: I . M- .. ___ .

'\._.»'@%_ -\:\.‘H.

f_t". —;

11?.

"II:Qllli

tee-33::-Ia: I Q

-.9

Q;-‘>0 I

B0BO Dateof lesue: I|I-egr, 1950E;1H::||'-Ililn. Motoa 1313.. LTD.

-F-“h

.-1,

- ':

-*"~.

r"-T.‘

.-I‘ .

Page 83: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I":

F‘

F,-..

(“-.

rw

F‘

1"":

I”

F“

IT"

_P'7"'\.

1-A

8. CLUTCH' SERVICE IHFDHNIATIDN

TRDUBLESHDDTINGFIIGHT GFIANKCASEHEMDVAL

C LUTCI-I HEMEWA I.

COVER

CLUTCH DISASSEMBLY

CLUTCH ASSEMBLY

CLUTCH INSTALLATION

B— I‘

B-1

B-2‘

B-2 INSTALLATION

B--3

B-6

B-5

FI IG HT ERA NKCA-S E IIDVE FlB-TI’

-L-_:—--|—

SEIITICE IIIFIIIINITIIIIIGENEFIAL INSTRUCTIONClutch BElI‘\'II'I'lI- can be done with the engine In me ‘I1-ama,

TDDLSCernlnunUnivareel holder

l_n:;l: not wrenqtt, 20 1: 9-I mrnExllentiu-n, 1:’? in rlrlw 2-: 3 in ITS mm}:

TDFIDLIE VALUE

Clutch lock nu:

SPECIFICATIONS

DTTZEQDIDTDI — H..A. IN LI.$,.A,, U5! ¢|.'|r|1n1:|11i||!I'y' ivillihlahand alrap wrench

UTTIB-LKIEDIDDClTI'IEi-IIIEDEDO — Commercially available

3.8 —- I-.5 Itg-n1 I23 - 33 I1 lhl

ITE M

Clutch Spring free length I STANDARD

15-DB rflrrl IELSH? inl_...,

§EFI":."ICE LIIIIHT _

E3T11'1rn II],E'I inl:

l Dim rh leicneu_ B

A I 2.55 - aee rnrn _|o.:oo_—__::._1o4 ::1_: =e_-~:. “.1.-Q: In3.35 -3.-'I5n1l'n H1135 —CI.I3fiinl

_ . Plate warnageILD mm l[l.12 in]

DJ" n1rn |iII.El1 inl

I Clutch <:a1'=tIr nui-cia DD- anaan - ::n.ae:: rnrn :u.aa:u - u.a:4a inli Drive pear l.D, 2‘I.'lIl|Jfl — 21.021 mrn IIILBQBB — 'lIl.H2?B inl '

*5-9° -~11 J:-ta:-IInseam:21.05 nlm

TIIIIIIBLESIIIIIITIIICClutch lllpi Blunrh cine: not tlkmlleu1. ND fraa nlav 1. Flat: wamnge2. Diane we-rn3_ spring‘ “Wk Glued: chug! when tllaangqul

1. Lifter rnuchanien liarnmmul

Data of lasua: Mat-', ISB-D B1 — 8_i@'HDI\'-DA l'|ID"l'DFI IZCI-. LTD-

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I _

HONDAcu.rn':H ETD LEE,-’ "

IIIEIIT CIIAIIIICIISE CIIIIER :»::t::< sTaeTIIIEIIIIIVALDrain :l1e ermine oi: thorough‘-5'5:.-ppurt the |n\'Jl1|.‘|-:'I2'\rI2‘lE U]flIIgI1T with a stand

Remove ‘III'HI riqht cr:|nl=:;::== rrrrrm Itmgu 1-El.

CLLITIQI-l LIFTER HEMUVAL

F'IE!I1tJt'E 1l'|E Elutth l|'lI::: urIr.I clu1t‘:l'| odiutting bull

CLIITCII IIIEIIIIWILllnmv-‘Mr the rlutch luwr and clutch r:::In.Hemoue the elutch -outer co-tar.

ASSEMH I.

LCLLF

STAND FIIGH"t'

En PEDAL FHDNT coueeNJ" -

I‘ ‘I 1'' _ . H" _,;'=?_.- I I .. . . _

' L-_.' " _.-‘ “.1::- ' '

TCDUEH

ADJUSTING BU LT

r:LuTI:H LIFTEH

T I.4 ; 7*it’ .-’ I

2 e2 Date.-of l5:~1.m Muir. IIJBEIHCINDAuotoe co., LTD.

1-:.,_

|' "1'

.-:—~._

»"~.

1"’;

mu _

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HONDA...- cm .5“...r""‘ LOCI-=1 TAB

Etraightafl the In-ck vr--1-=1‘-Hr I-ah. _{Q},

F D ql Q,

l"“\..

F“

LIN IVE HEAL HULDE HHEHIUHE zhg lcruk nur, was.har and Ir;-ck washnr.The clutch can nnw ho rumuvud as a -nflll.Hgmqw 11111 rlrivr: gear and r:lu!L:|| GEMEF guide.

*1» |

I,“ EHTEP-|SiD|'-l LUCK NUT WHENLH.II] :< 24mm

BLUTBH DISHSSEIIIBLY E msfr-E Remove the IE‘! ring using a 5l:n:wdri'n~ur. S T fig

Rumuvn rhu r-IuI¢h plates, dis-I:-5, I:-nnicrr, drive gearcuter and rollers. _?

F‘

‘F-.

If-I"I-.

om D1 mun: my, man "3 B_ 3IEIHDNDA MGTDH [JD-, LTD.

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HONDA.CLUTCH C70 ‘I -_ J

HEFHDIW ill! |‘.’ll.|[|:h dampm ipringg.

Flaw i w|:||:|d blank under the dr in ptate.Remove the 5 mm-5-cr'ew.=., |flu3|!|'|ir|g II‘-3 turn: gr i1Iifl'\E ‘|'|'|1||E -|.'|L|5|'||r|g dnwn nn ‘l'h|_: |:|ulf'|;h gutgr,

CLUTCH SPFHNG INSPECTICIN

Measure I|‘||: spring mm Inn-qlh,STANDARD: 25.UB'mlI'| IIJBBT inl‘SEHVHZE LIHIT; 23.1 ml'l'l {DB1 In}

_F__/"""-..,____: .-.- J.

.-

.-_.

-\-‘.___ _ _ -\-.

. . ‘H -- .

I ~._'1 Jr ._ |

CLUTCH DISC INSPECTION

Heptace ma ulurch diam if lh-5'9‘ ghnw ,4;-,4 U4Btclrinq or cilrnulorannnMaaaura mu din: Ihicknnss.STANDARD:

DISC A: 2.55 --2.55 mm 1fl.1fl0—D.‘HN inlDISC B: 3.35-3.15 mm {fl.13fl—fl-.136 lnl

SEFIVICE |.|n.n|r= nlsc A: 2.3 mm mun miDISC B: 3.1! mm 10.12 ini

B-4 "“ Daiaclflssusz Haw. IQHCIEHUHIJA MOTOR Gil, LTD.

1-._

l"__\__L _ J‘___. "“'-\._H_\_ -' |_.|I-\-.

I-C g ____’. _$________-‘ER

~&_ .. - :1. -

."""\

J-H

- -.

Page 87: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

‘T BTU CLUTCH

Ir“ l—

Ch-rerti. the [r.'|II|:|5 and plates for exuassiuu w|1ur-Hanlam if nacau-arv.Elruck fun -plate warpage on a surfanu plutu using af~.:r:~Iur pug!-

,/'_ SERVICE LIMIT: fl.2mmiD.D1inI

JF-

.|"""“

DFIIVE GEAR INSPECTIUN.-L.'Bhar.:lr for waar nr damage.

Mtrifiule the rfiiwe gur |,D,

QTANDAHD: 2-.“l.0fl0—21.Dfl1 mmtunes-o.n2tfl ml

P SERVICE LIMIT! 21.5 nun IDJZE lrll

CLUTCH CENTER GUIDE INSPECTION

rihflflk ill!’ WEI!‘ U1‘ :1-smug:Manure tha niutd-| cantwar quid: CI‘-I1STAH DARE: 2I}.BI|—Z'lI|.'B5ll l'IIl'l'l

1fl.B2lU—D..Bl|l3 lI'lI'

senvrcz LIMIT: 20.30111-mI'D-B23 InlK"

K“

FT‘.

Data uf _Iw-":1 Mir, 19311 B5 B-5IBHQNDA MDTQH CG, LTD.

Page 88: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDA.-5c|_u'rc|-| BTU " “'

BLIITBH ASSEMBLY _ _Plane thE £IL|t|2h sprlnga un lhu drive: plqtr: and inflall CLUTCH PLATE A

- FRICTIONthe drama |.'|Ifl1r: 1t: the cI|.|t|:h 1:|ut|r. DHWE GFA_fl man B ELIJTEH

I'l|_=|htur\ the serum: In 2-5 !1.1:pl in i r;rl:5r;r1;|5q |-CENTER -uettnern. _

IP15-Til-II the cIut|:h damper -sprtngs. _;I “ E I‘ 'i'_34;'_, I‘ |' "iii ‘Htnsteel the rulleht. drive gear outer, <:lt.rt1:h center, _ _.;€[;-,__fl_|i_“,’ :1. H" -dim and plate: and secure with the set rlng. ..j| - . Q " - ', -,-'_:*——""' __.1-‘~.».;.r, ~_. .@?§

I '/'|CLUTCHIJFINE PLATE THING FRICTION DISC A

PLATE B'"I____I3ITE H'u'"'-EH DUTEI|:‘¢LuTGr| SE‘ .' ‘ "E" I ems

I I I L H J

_;;Fl

-3~'-Gilt|K~:Y=-_.+"'

|-,_

BLUTBII |NSTlI.l.flTI[II'I|FI FIEIII I|"lE' fllulflh Hunter quid-5 and drive gem

PLM N INFIEH E Fl

Ihstnll the clutulr asmrr|taIy.Irl:Il'|II the luck washer, plain H‘-r-udrn-r ind lqqlq m_||_ I. 1| . ‘__

NOTE

lrrmrll the plain washer wlth thq "tJ|__IT5I£|E"marl: Ia-::i|1g nut. |

LOOK HUT WRENCH, ‘___. ED rt 2-ImmTIQTIIBI1 the luck n_=ut_ ...

TDFIQLIE: 3.B—l-5 kg-m l2B—33 fl-lb] _Band The! lent was-her ml-t,

_ .-"'“'\._

.-

_.r—--

-I ."“'

UNIVERSAL HOLDEFI TOH DUE WRENCH

8_6 as Dare of Issue‘ l'~'I-a~,r, IEIBU'€JHt'.JND.fi. MCITDH t:n., LTD.

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Huntnnlg; cm CLUTCHlnetall the ciuteh outer cch.'e='.Irmnlr rhe <:luu:l'\ cam and lever.Install Uta flaring. oil tl'1ru-ugh, eluteh cam spring andbell retamer.

EL.

RIGHT BIIIIIIIBISIE BUYERIIISTALLATIIIHlrr51',;||| 11-"1 rzlutdh adjultlflg belt end llftut.

lmmll the D-ring, washer and leek nutlnetall the riqht clan-linen: wret-lngtall thg kick itartnr |2|:dl|__ 'I'|;|t:-!;n!Q1.|‘hLI|!' 5'F.B|'||IIfl!5emI:|I'-,-', muffler and front cover.Fill thn qrqnlume tu the proper level Imfl-| lhl:|E=t:|2rfl'1m€-|'ldBd= e-'|l Ipam 9-2]-Adiur-t the |:1|-Itch In-B99 3-‘IEIH

OUTER

CLUTCH LEVEFI

ADJUSTING

CLUTCH LIFTEH

/ R.CI‘-HING WASHER LOOK NUT

CAM

Date nf leer: Met-', 1931] I1~'fiHDNDA MOTOR CO.. LTD.

B-7

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H__

““1’OnHEGAKWLTWH5HAEG

_’D0

_

‘T____fiH"_\______._:Hm____/

V

_f_____r

_fix_m__“XXJM

3_

__‘__ __U_

XA

__ _§____________if_J’Wmmaw__\‘___HI“INNER

IQ

_H_HN“_I%n____w9

DTE

muHE_HWmHOmmWAHmMD“Hfig

Page 91: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I" 9. GEARSHIFT LINKAGEF“

SERVICE INFORMATION 9-1 GEARSHIFT LINKAGE

TROUBLESHOOTING B-1 ‘NSTALLA1-‘DH

GEARSHIFT LINKAGE REMOVAL 9——1'

SERIIIIIE IIIFIIRIIIIITIIIHGENERAL INSTRUCTIONS1 1 hr; Q33;-g|'||.f|_ gpin-dl|| arid r.m1:r|:rerr arm I:-an he serviced with the engine rrr ri-re tramrr.I It the shit: tr.rr-kr., drum ar-rl transit-'Iie:ir.:|I‘i require serr-'lr:.ing_ ren-rcr-re the engine arid r-eperete thr: -llrnttitrifll-9.

‘B-2

{___

r"'_“‘-

r-*~TiI[lI.IBLESIl[I[lTlNI.iHerd lhiitinu1 ll-npmc-er clutch ndiuettfleltlIL Shift lurks bent3, Shltr shaft l:re'P-'t-1. Shift rlrum =1r-inner beetEr, Shllr drum earn gruclve I-lee!

P Trnnermrei-en iumpl nut |:|1' gear1, G-,-.rrr tleqs worn1 Shin 5.I'1.3‘I'! hem3, Shift drurn rrterpnnr urcrkern-I_ Shit: Irrrit: be-nt

f""-.

fr-I.

F"

F.

.I"'“'

Drrrerri I|5_|J9I l'rIa'-r, I9-B0 R9DHOHDR MEIIDH 120., LTD.

-‘O

9-‘I

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GEAHSHIFT LINKAGE BTU ‘grHONDAr’

IIEIIRSIIIFI LIIIIIMIE IIIEIIIIIWIL t‘=eAee|-||FT PEDALDI’-Hm the engine ml.Remeve the gearshift |}flfl3I_

wmhl-r i5E¢='liur1 Bi.R!-nmle the right trranlrtqasrr Queer and rflutrrri-| 35- B.

I H-I]Fl'lO'lr'E' the snap rln-5| end driven gear, I

Remove the drum stepper arm.

-r.,__

SNAP RING

ii-Iii

nrrurrr smeeen ARHI

9-2 BU‘ III-nleui Issue". Mrr~,r_ IRSOGIHONDA H-DTOR CO., LTO

__,_

I .fl'_-l.r

_--,_|

_.-Fl-I

Page 93: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDABTU GEARSHIFT LINKAGE

O R UM P LATERemove the drum stunner |iIh'lr: ehll pim-l-'I.|1I the geerrei-ritt spindle out of thn rrrerriura-2:.

ISHIISIIIFT LIIIIIHBE lIISTi\I.l.i'i'l'lIilIDRUM

lnstaii Lhrr q.uI|t1I'|III drum pine iI'l'li!I drum rtElDDIlT ' 'Piflie.

irretmi the gearshift spindle areemblrr.

GEARGHIFT

OFIUIII STOPPER ARMInstall the drum atnnper arm as shown. "Q11:-:Tighten the pirrnt heir.

Fietate the gearshift spindle and check the linlraprfur am'e-crti-r onemierrr.Ir-rr51;|| the r:lutr:l'r assembly and right eranitousecutter.Install the qunrshift pedal.

El-ate of Issue: May. IEIBIJ 51 9- 3EIIHEINDA MOTOR £20., l.Tfi.

Page 94: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

DAI <_=f§=§_=§THANSMISSIDHIGRANKSHAFT C70

— I-.

.»' "'r‘--_*3‘ ' ~'~."..' -"

. ..;~ - 2;-El, ‘.-r if

.-"-- ' iE-' . '-_1-.- _ fir

---

‘-1.

1.0 — 1.11 kgm[T - 1{|f"t-lhl

@='“ V 5/is in 1 ‘K-

..-.-1-"ii ll . ‘in-1 - --‘I """..- ) | I i ____';-_-q__:___-_5_j:q_‘

x ‘ -~ *1" ‘_ "’!1|-I‘ ,1’ ' I T--. I

QQ‘;/*"+¢- i |IrI",,d . 1'-H.

n

2-.

4;

.I.9-J‘

-=1’\\

_-J-4'

-I’ "0...

.--

-'-'--‘

$ _

1 U. O 92 um -=-+ IHLIEII Hay. 1550EIIHDNDA MUTD-H C-0., LTD.

Page 95: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-IiJ1\I'IlJ.B.,»- BTU

IIIZU1EU’)A p Z'—'l$3 ,1II =53 EHii -|-ill‘1""’.

I-"‘“ %SERVICE INFORMATION

TROUBLESHOOTING

CHANKGASE SEPARATION

CHAHICSHAFT REMOVAL

'ID—1

II]~—1'

‘ID—3

‘IIJ-41"“

TRANSHISSION DISASSEMBL? 1D—E

TRANSMISSION ASSEMBLY ID-9

CHAHKCASE ASSEMBLY’ 1D—‘ID

SERIIIBE IIIFIIIIIIIIITIIIII("‘\ GENERAL INSTRUCTIONS

1 The crnnkcasa must be saparaud to -mrvim 111: maniuhaft -and transmission nnmpnnanu.I» The f-allowing pm-L1 mun be rammed before aamrating H1: crlnl-mesa

Cvlindar head Section BI£';'gIl111:l:r and nlstun E:-lIu|1 TClutch Suction BGngrsh11'1llnIm-ga Sec-than 9A.C.gnIr1url1:or Slctiun II

1"‘

TDFICIUE VALUE

SPECIFICATIONS

Finql d1-Iuu sp-|m:I¢a1 ‘I.Cl - 1.4 kg-m IT — ‘I-U it-lhI

.___|i.______ _._'_ _

1 - E3II1III|ImI'l EIT O.D. — 15.954-

Cr:I1.|nt:1:I1arH O.1l . 16.965 — 16.954I'M

Shift drum DD. 33.’E|5fl — 33.915

_/-\_ sum rm 1.1:. 34.11615: 54.112511'— '51-.1111».-1: pawl Lm 413% 4 11.11’-1 n:|mI "“""""“ 111.1111. ass 5.91 mm

C1-anI:1|I1;fi Connuct-ilng rod big i:m:I T _side dgmmm CLID I135 mm

f‘ =‘~ Currnnctirlg rad big end _fadmfiqianfl fi I].£l12 mm

Flunuut --

Journal hearing A2551,..i..___ D-In FI IIIIIII

M nm mmnnnu SERVICE LIIIII-‘TTfihsmlislnn Gear LEI, I-II! . 17.013 — 11043 mm I9-5599 — QETIU i|'II _ I7-In ITIITI IU-573 |"'I

1:1 I 11015-110-1:1mm11115699-:11:-11101111 I110 rnrn Il1EI?3 In] _1T.II|1B -- 11.1143 mm 10.65-QB — GEE? TU Ir1||

mm IIILBBBB — IZLBEQI |n|'mm IIILGHBD — H.535? InI

mm 11.33615 —- 1.3336 In}

rrlI1‘l II.3-335- 1.33% I1'_1I

10.191 u.1E€'i}1'|ID-Z31 — 0.234 InI

17.10 mm [CI'.B?3 InI

15.55 rnrn

15.95 mmin in“ ' -I-_i___—33.QG-r1'1.1I1—1

a4I1:TT:T1T.i3.lIIfl:4.5 mm_1'1:1.'1a 1111an mrn 111.22 1111

IU.GU"l — D.D'I-II IHI

IIJ - EI.OC|D5 InI

0.6 mm

U115 111111

13,10 mm

n-1u m'1+1UJZE rnrn

10.5-E? I111[D.BS? in]

ID-D2 InI

lD.IIl2 inl

lIO.IIIl in)

IU.IJE_I1I Ln]ID.1DD2in|

P-1""“~

D11; nf Issue: May. 1930' 53 1 o_ 1BHONOA MOTOR CO" LTD.

‘Oi _ _ - _

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HONDA|- -=’|

TRANSMISSION.-'CRANKSHAFT ""

TIIIIIIBLESHIIEITIIIGHard tn ihifl1. |m|:1r|:11‘-J-=11 -::I1..|'t<:h aijjugrmgnt2. 5I1IIl* fnri-: hunt

3. Shift ihafi hem4. 5I’1If'[ drum an-||.'r|.'.1+|1r arm banl

Trlrllmiisinn jumps nut 1:1!‘ qnr‘I. G-Ear Irloqsworn1 Shifi shah In-.-n13. Slhft drum ltnppar L11 uh:-n-I. S1'1if1fc1rI-1.: L‘|-B11!

Exclilivl l‘llZI~Ill1. EJ¢1:!|e.Iii'|'~H crrrnl-cshaftju-ur11al Lu-m-Ing play1‘ Excaaslve Gl'Bf:1I€|i3|'I|| h1:a|'ir|g play _ ..._

1| D 2— 5" Dateof Issue: 1.131,, 1950QIIONDA MOTOR GO. LTD.

|"'

.1‘-

-"1.

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K:-"I11.' F\I-ICII\'I'Il.B.,--_ C70 "r1=tAnsm1ss|onI<=FteNK$Hfl~FT

'IIIIAIIIIIJIISE SEPFIRITIUII _ ENE"- tamrttHr,-1mm-1-. lhp cnglmr §Ser.'I'.ir.1n HI. ‘ “-AilRemove the t:\rIit1|:Ier head ifieetion EI-II. ¢_Homm-1: fhl: l!yI|1'||;I_r.'l' anti piltfllt [SHEER T]. —l J! eHemcrre the clutch I5n'ot1icII1 B].

rm Hgmgue thu ga-ir.$I'1-II! IIHIEBQE [5BD1I~Dl1 9|.' Remove the flirting rnotor I5udi-::r| IBI.

Hem-we the A.C. generator [Section Id-I.Remove the 1:-ranitsluft one-Ir.Remove tI1e drive sprocket.

|r""\.

1"‘_.,____

CAM CHAIN SHIFT DRUM SHIFT DRUMRUBBER CAP H-OI T

Remove the elm ohein temioner red lflti tiflliflfl-El‘.Ren-||;|-.r|| the ruhher up and 1hiI‘t drum m-otarrting 5rnrn bolt. 1- -____Home-re the crankcase 6- mm eerevm. ‘“--.___‘

("""~ ‘"1:

r1 CAM CHAIN TEN5lONER PUSH ROD

Hammva flw Quip ring thB|1 |'Elml;l'\I'fl 1155 |'\E'IIlI|'ll?I' iI"I?I

RETAINERf ‘- Pb“, 1|-1; gnqlng wim 11-1|; l|:I1I termitoei-e down- \

II.l1:I\t starter I-Brine.

F‘-I}

f"'-.

Date of iuuet May, teen 95 1 °_ 3ezunowen. motes co, 1.111.

i —

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HONna. ./TTRANSMISSIONFCRAHIILSHAFT

Seperaee the right orenireeee from the Ieit 1:re:1Itr:ae'e.Remove the dowet pins and gmrkm,

I

_-—I-—_-__1|—||:1I

- .3

IIRMIKSIIIIFT IIEIIIIIIHII.Rome-ve the orani‘-rehait .1-5.5 _CFIANKSHAFT INSPECTION

56! the tit-Ihltahaft on I 1t.|n-d or 'u' bioolu.E’-at I diel Indioetur as ehowr1.FIIII-rite the crankshaft two rwoiutinns end reed ther1.Irrr.n.1t.Actual runeut I: 11'?! of Tut-II Ir-dleatnr Reading-SERVICE LIMIT: 'D.1fl mm [D.IIII.'|l InI

I

mm mm1BinI II.£I2ihI

Measure the I-IIIII eieennoe ut the Itonnoctlng rod bioend wiflt a feei-er gauge.STANDARD: I§I.'IIII'—fl.35 mm {'iI.'l3Dl\—IJ.B1l I‘rI|I'SERVICE LIMIT: 0.! mm I152 InI

1 O-4 96 Date _r.Il lento: MW, 19%'QI'ICINI:h'51 IIICITDFI COL, LTD

' It

-H1

/T‘-_

.--.

-""\

_"‘~.

.-

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.:—.

HONDAC1 U TRANSNIISSIONICFIANKSHAFT

1-I

II.'IE1fl5=..r|i: The: :Bt:II3I ttlreuzeirfrr at the |.:r::|||r1er|':Ii||g rurlhig end, at two points In the direction in-dieeted bythe arrowe.STANDARD: U-0.012 mm IC|—LI'.DOI'.IE InI

’,--- SERVICE LIMIT: [I115 mm IIJDJIIE‘ iI'.lI

|‘r'_'.

.I“"'“

5pi1'| thejournal trearinq try hund and rlmleoe it Ifnoisy.Cheek the 1o..rr'-et heeriou pdey.

ii.I ‘I’

'-\,__\_\__ .

$ER'uI'ICE LIMIT: 'AXIAL: e.rrr rrtrn mum-1 1|-.1 .1

5-». e.n.om1.I one mm 1e.un21n1

F“

TIMING SPROCIICET INSTALLATION

1' I I|1s1‘eII tlnn epru-r:I1ter, ehgnirrg any tooth Ia-ortom 1I'r‘iII'Ithe Ituyway-t:H:re nirpi.-I cunlur Iinn.

1"“

/T‘

I.--.

Date of lseue May, '1'.-IIIBI] 57 1 D_5-E1 HONDA MOTOR CH1, LTD

-,.,i_

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HONDA‘.5’TR ANEMIEHONICRANKSHAFT T‘-e__

TIIIIISMISSIIIII DISASSEHBLY KICK eme-ren SPINDLE centre IIZSHAFTRerntr-'1: the erenirehaft and ltieit starter spindle.

Q.

l1.l=- 4.

Remuyn The !!'ilI15I!1-.lIlI_'Il'I nod :I1|!t I.1ru|11 as an "Iraseenthly.

."“\|

. I _ -_|..I.__; .1—_lT.-P.-.

—--.

KICK STARTER SPINDLE DISASSEMBLYSPINDLE --N

Rernoye the snap 1'II‘r|;| an-rl r.‘l|sa:rI.:mI1le l.I\e Itiels |' -'i*l..l|' IE1‘ L12|II1|.IIE_

Che-eh the driven r;11r;h|:|!I_ pirai-mi and epiin-die forexeeeaiye weer.

II Q

I ‘KO1%

PINIIDN em»? ems emizner some ems -

~-

10-6 B8 D3151]! Iosuee: MBY, IQBCIHONDAMOTOR Cl:-II., LTIJ.

Page 101: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

J?-

_/"'"‘

1*“

rf"‘-.

/“*

in

I/H

1""

I-"'-'-.

I,-.

_

_/—;;§\.I-IOBIDA.Qéi CT" THANSMISSIDNIBHANKSHAFT

TRANSMISSION GEAR OISASEEMBLY

Dieareemtie the rrui11ehnr| .1111: eountermeft.Inspect eeeh gear for weer or damage-

Meaeure eeoh gear's I.D.STA NOAFID! 'I?'.fl 'l'E- 'l?,l}rI3 mm

IIJ.IBB5—D.B7'ID inl

SERVICE LIMIT: 11.10 mtn IU.B'.I3InI

I|1g@1,||'rp ‘II-‘lfl 'O'.D, |;rI 1111: miinillkll lfld counter-ahaft.

KTANO-ARO1MAINSHAFTI 1E.flB3—'I=B.B9lI- mm

ID..EBBB—'IJ.II|IH1 inlDOUHTERSHAFT: 1fi.9i-Ii- 15.581 rnm

[D5550-0.65? |n'Ieen1.r1ee LIMIT: 1e.ee r11IflIII.BE?InI

C-GUI‘-ITER<I;IAFT FIRST FEAR SECOND GEAR THIRD.‘ GEAR..___/ |'|

41., ,1.'I\Ivt» "°MAINSHAFT SECOND GEAR THIRD GEAR

Date of Issue: Ir'Ie'y, 1950EIHDHEIA MCITDFI CI1, LTD. 10-?

Page 102: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

TR ANSM I55 ION I'C RAN IILSHAFT

HONDA E.cm11-’

SHIFT DRUM DISASSEMBLY

RBITIDVB ‘I116 QLIIEIB |:|It| dips, pull nut tho guide pir|5and rernut-1e the 1.1-M1 fqrlqe.

NOTEHlerlr. the right and left shift forks to ensureeorreet assernhfy.

Chisel-: the iluide oin for weer or rlernmge.

-Check the iI'|I'Il Iurlr. ler weer, he-ndIrn;| or otherAmman‘ ..1'2‘_%_:Memure the shift forlt LO.STANDAFI IJ: 34.000-34.1315 mm

11.3:-tee-1 eeee InISERVICE LIMIT: 311.0? mm H.341 InI

Memun: the shift 'Itj:rIt Ellw I1'!ICIILnE1i5.

ETANDARDILEFT; l».HB—-llsflil mm 'IIJ.‘IB-1-CI'.‘I!I‘5 InIRIGHT: E.BG—5.'5-II mm IIIJ.23'I--D.31'ld InI

SERVICE LIMIT!LEFT: 4.8 mm IIIJI5 InIRIEHT15.B l'I'll'I1 {URI irll

GUIDE PIN CLIP

GUIDE PIN

_,,h

-+~._\_

I10-e Date of IIEIHI May, I930HONDAMOTOR CO., LTD.

_,__‘

--I—L

.|-I’-H.- ~.

"'-D.

A-ht".

Page 103: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

T FIANSMI SSI DNHIRA N KS HA FT

Check the shift drum fur wuur ur d:n'n-aw.MBELITE the sl1|f't drum D-D.STANDARD: 33.950-aa.e?§ mm

11.3355-133m nnlSERWCE LIMIT: 3333 Ir|mH.33BinI

TRMISHISSIUH ASSEMBLY

secure wi'lh the map ring.

F-lDT'E _

SECDND THIRD

Lubncate ear:-h gear_\;-;i¥h_-Film all afier I \ I Xasnumhly.

MP-INSHAFT EECDND GEAR THIRD GEAR

SHIFT DRUM ASSEMBLY

GDUHTERSHAFT Fl FIST GEAR GEARAssemble the malnihrft and uuumerlhift qairi and IfI

‘L i °~\';‘~ LO '/ / ”1'~

lnrmlr thu 11-nfl furl-u urn mu mlf-1 drum-Instill 1M fluid: plm art] nmuru wlth the clip. RIGHT SHIFT FUR!

/ii;-' A __—-_-—_-_'—-|'r::__

GUIDE PINS

LEFT SHIFT FORK.

EHEFT DHLIHr r 9/|\~ ! I.-" " ___‘

'~‘ if;=+=-“" '- _'_“_’

_—

um cf Issue: May. 1950 “*1 1 0_ 9EHUNDA MCITDH CCL, LTD.

Page 104: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

TH AN5l'|ll$lDNl"CFlAN KSHAFT

“H.HONDA /‘----:=\cm -5%)‘ ~-KICH ETAHTER SPINDLE ASSEMBLYAmlmlele the Fciclc .sta.rter aw. shmvn.

NOTE

ret1:hat qrnmre-P0‘!-iHUl'lthB Ir|Gt|O|1 lpring in the driven I

TRANSMISSION INETP-LLATIDN

|l‘lE!€i|| the drum end tran-im-ulnn 1n me leftcrank-cane as m assemble-

NOTE- Alqpt the neutral twitch rotor wlth theHfi'Jtr|11wil1:h.

' After lnetlllinq, rntltn the milrreh-all 111 In-ll:yure that the gear; rntata freely.

Instill the tuck l-’EH"lIfl|' spindle in that the frltrtiunsprlnq mete in the nunhnuu grvcwc.

—.1 ,--|.

HICK F.Fl'|I4.HT_EFl SFINDLE

., S_

FRICTION SPRINGcg: i

—-.3‘; .

KICK. STARTER SNAP HWG I SNAP HMGFINIDN 51,“;-p|5p|

HATCH FT

.-1_‘-._.

.-

lIDl.ll'lTEFl5H#|l-'l'~\‘_F """ ,..»r'-J. J 3'

-iqt-=°'.Z'71-:_-__\

MAINS-HAFT. .-

.' I _‘Ie.*_twee »Ill‘. - Il' kit‘ "fax"|' .-' i _,__ I .|. JP‘

U,_' "1-A-I :'___ I r __.___l"lEl.ITFlAL

F.

1-_ -- '" ‘ --"' ' 3w1"rcH HCITCIFI__ _,€,|.fiI§fifl __-_-,-: _;_¢_____:., &._ _ . -'=i=.- _.-— ("17:

-;_l__ I ‘F--.~ meutem."":;~ ';___._- - _sw|"rcu

“" ‘J - " HFIUST wnsl-use

.1 ‘I-.| || .

-I L

.1-.,‘

.-"_"~.q~

EFHIHG ---

1 0-1 0 ““ §"lB1l$Tfi@"?5'&'§'5'§'.

Page 105: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

-1

tr‘

F‘

F‘

If“.

F"

P.

r"""

F.

/-\-.

F‘

f"‘~.

I-Iowan gj TRANSMISS IONICH AH K5 HAF T

lIRll||lBlSE HSSEHBLY nuwtt PWlrmtllll 1h|r tranltehett lfilfi the lefi ttrant-mate.lrlttall the dowel nuts and gasket-Plaee the rlghl t':rur|kt:a|e: -:1r‘|Tt|- 1hB lE11 crankcase end :F'turn the clanitcase assemble |:wer.lfistall and tighten the eratnltceste t-1:r1:'lI'lfI-

lI h

GEM CHAIN SHIFT DRUM EHIFT DRUMTENSIDNER RUBBER CAP BOLT

lrtetell the uem chair-, tensinn-er and tnrrtiurutr red.Ir-_1.u¢ll the thlft |'.l|lJrl'l E ltl|l1l| met.-ntlng bolt andrubber cup. _lnflafll [ha l'lr|.:|l titlufl 5|Il|tn-Cltfll.

TORQUE: 1.1)-1.-\'l l-cg-m [?—1Dl't-Fh] --..____‘ _'I-|___\_

___ “Eh

CAM CHAIN TE HSIDN

lnitell the ttielt starter 5p-ring =lr|tl rttfllrlcr. ', , .'Hunk the 5p| In-t1 end: --n the retelner |]r-ntlvtl and mar _ .| t

the r_tran|-t-:15: |,|r|:|l,EC1'|t':-r1. '-. I J 'I

|'Install the snap ring. _I

;“"- it | | _-. . I " ' |

-. Li '.\''— atF"‘ I’__' .t- ..-‘:- '-'iI5'l'1 -

lnt-telt the A.C. gnrtutalfll lSe=|:tlon ‘I-ll.Install the ftarter mntrrt l$||l:ti=H115lI-1n5ta|l the geurqhilt llnlteqe I5-eetiun Bl.lnetell the clull-.h [5el.t1|1JI'I Bl-lnstall the wlinder and pittrm lfiefrllflfl Fl-|n:i:a|| ‘lhn |:\,|'llfl1:lEl'1‘|E1id |Sectlt:|n Bl.lnsmll the engine (5uI.1li|1rI 51.

nemtmee ""

E R PUSH HUD

KICK STARTER%Fl1hlG

senses ‘L u '

i_

Date u-F lseue; Mae, 1950 103EJHCII-IDA MUTDH Ct}, LTD. 10-11

Page 106: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONnnffcmMEMO

-\._

.1-‘H

.--t,

-F'_-L-

ma Date of Italic: M-Iv. 1!-lBl'J-D HONDA MUTCIFI C-13.. LTD.

Page 107: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

Ft

I,-.ll‘

J__

if-.

F

F“

F

r-

1""

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FF

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ti - _ -

it i I F-EZ2:Z15Z22---2H52/'1-ztomnntcm

‘ SERVICE INFORMATION

TR DUB L EBHOUT I NG

11-1 CAM CHAIN TENSIDNER1_|_1 PUSH HOD 11-2

CAM CHAIN TENSIONEFI 11-3

SERVICE IHFIIIIIMTIIJNG ENE HAL FNETHUCTIONThe can |;hai|11;|trt.;i|;|nltl' nl|tI|'.£I1m1't rad can he sereibetl with the ungihfi in the heme-

T|i[ll.lBl.ESllB[lT|llBElm uhlin flbltl1 In-cu-:ru|:l tenelbner eeliuetment2. Dame-aetl st:-ring3_ \'1|'|'||'r| ur dan'|agE*d 1-1.It'Ol:|'t£|T-ll. Wern or damaged chain

_ _ .___

Date u-f issue: Mme. I931]TQHUNDA MOTOR CU-, L'|'|l'|.

‘"5 11-1

Page 108: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

CAM CHAIN TENSION EFIHDNDAKcto .--.

i--»,_. |

R —i_ .3

CHM llllllll TEHSIIIIIER PIISH fill]Drain the e--rg='t||t -;:|i|.

|-|-1I='**" T118 |-D-Eh HI-I1 and remul.-e the Ind; 11-|||_

|’4r=rne'-‘B the inflllnq he-It and wufl1rt-I,RENO‘-rl the adjusting belt, spri-ngi and [en-|-inner 'rt:||.‘|.

Chéflil lhn teneic-net md and -,-pm-|g rm 41;“.-|_mE_ AD-1

Install the tuntiuner push |-ml with 1-he tap-er factnvg 'Incl: btt-It.

, L

. _It .u- ,3‘ _|| ", |.- h ..|| _‘

_|'-r“H.-___

'\--\.i._ Pi" '- -' '--*LIST -::I\.:\-i'| ':.;_:-.iH|:_:E-J‘__. ll

I-:-.; :1 F-F‘ 4‘ .'__.___-H ‘E - '

__ - is --=.__‘--0* >2-t.~ .-' -._}-' ._

I1 ____I-I _-'.

LUCK BOLT

SEALING BO LT

| -'32‘. . :5: |_:_I

.-"II-‘rIII. Iti__1"-__

"''\-..#53"::

I-t'=.I.— r1:

1.

'-_:--.-"":"' '_|;.'::"|‘|'-' -' .- n.-' l|

~:

i LOOK NUT

| .__\-E K ll -_ -..I I F I’ '1‘-L 1+ |'|'

|.;_... | .-._

| Illt I -.‘_ _ _-. -|__?._H_‘I|-.\"'\-II

' I' '| ll

-

l.-:3" -tag ‘W----,¢:~,. -.-'1-""f‘l€(_t"'l: I

' "' ": _.' In xi--£9? LQCK f-H‘

-F.1

_|_ .-_.-.,_. -I, ._|_ .-:_|I—J |-1 .'..:'- H

.1"T’ ,1!‘-

I'.II fl.’

'1-L |.'_-;l .-"-Ll

I" |

".\-_ _.- . __*-._I1;"eus net: .I __.r" __.-'— - _-_.»-' . §_-__- w

____..I" l .-"' '- .__|-‘I-'._

.-"ff: I

-I‘ K‘

u- '~'+ '_;=‘ II. ll

':---,-:51: _,. BU L T I

LOO K NUT

lnttall thn anrlngt.Straw adiueting bb!t ‘mm the |:npnlt¢|:-elflfitflll the maliraq Wi-l'i|'lPl and bolt.

NOTEI The eeeiing bolt end must hm \'_:|J'I113|3‘[ T119

bflllurn -:1! the adjusting bolt. |

-5., "---_1_;_=:_-.-5;.-_.: __ ‘___..--ADJUSTING enttlnetall luck bolt and lock nut.Ttghien thtt luck nut,

senutue - -BOLT -_Q

T‘?

,

Date bf Issue. Hey, ‘IQBII' we11-2'@HOND.A. MOTOR C-U.;. LTD.

.--.---

.-"'_"'t_

J7...'|

."'

" ||

Page 109: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

/__”_I-IONDAtfg/=' C11] CAM CHAIN TEHSIDNEH

BAH UIIMII TEIISIUIIERRemg-re the .A,O. -;]c:|'|r:|.~.|tI.-.-l and llywhe-El [5E|.tIur'-

H|rn\|.w=: '!".:: :.:l.a||.1t.' l:|‘t;ti|‘| t|u|dE_

Flernmra the stattur ch-:i=\ ::Ir~11u|!h-H.F|t:1r||.|'.It: the 51Br1LEl sprockets and nhilm H: e rrnflRe-|1'lu'.|e lhe craltltlhaft CD-.|Br.

CHANPZSHAFT GOV E Fl

. . .. _.._... an-1|-1.-4-1-||-|-|

Fl_e|'|1|:|';n the: teltttlurlel push rc:-cl. i

Renlme the earn than tnlltmuulC-|tIr;h, 1l"||t ||:|".5|l1l"t!l :'.|.llDt:|¢|!'. fill lfli‘-BI DI‘ l$l1Fl'lI1I=|E-

lmtullatie-n It the reverse nf |=:rntnrul.

NOTE _ _Be sure to Install G-r-up: cm the erankeheftc'cn--Jr it-rew |'lEl|HFr.

0-nfile TEHSIUNEH PUSH nee

[lite Q! |i'5.lJI!. Hay, 1QBO 1“? 1 1 _ 3IEHCINEIA MCI-TOR EIU., LTD.

Page 110: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

FHDHT WHEEUSUSFENSIDN BIB -'“~HONDA

l‘\\“‘“-:E?=’_-='-""-'=:|-'=t-

an — 3.0 lqrn-. ___I14 - 22 h:-lhl

'1-.r'='"‘ " -_ _-5

Q‘ '1?“

I13 — 1.3 *5-m I1‘l4 - ID rt-ml

J

I I'l.D — 2.0 kg-m 2.5 — 3.5 liq-In 2.0 —-1D kg-In

Ite

._fi.

‘Kl -I-bl

I

_ -"1

It ‘Y’! E-:'E'.il !¢-‘*3-

— -G‘ QB -5 | , G2 _ _____...- .

. ' _. - ll I .

I-$111

6.0 — 9.0 Item 5I43 - as ft-lbl 1'

_,--"""'Hr ‘-.—.. _---- “___Q -

II - " I'I.I"_ -_I

‘gt.h

I.

_H F I

|

F-

.11

J.Hd_,.--"'__ __‘_—|_::I_'_\

'.,'

Fer__r-

'. ,4‘-7':I

O ,7;

. -1‘ | ‘I-51

——*t

2.-=i._. m -'I.3.0 - 4.11 ltu-m T 'I21‘ — 291!-IIJI

I'I'—1¢IIt-Ihjl [15-25ft-lbll I1-I-221‘!-lb}

#_'_

1 2-D 1'3 Date ullnue: Ma-r,'lHlBEl u@'HUHDA MUTCIFI C11. LTD.

.-:-"l.

KT

"'"'h

-‘T 5.I

.,||

Page 111: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I

--

tarena.B10 M hi I 110"?!E5 'II==:2-'E511

l./

SE R'Il"I OE IN FO RMATI ON

T R OUB LESHOOTI NE

H EAD LI GI-I T

INST R U ME HTS

12-1 HANDLEBAFI 1Z——E

12-2 FRONT WHEEL

12-3 FRONT SHOCK ABSORBER 12-12

12-3 FRONT FORIUSTEERING STEM I2-1E

J12

SEIIVIIJE IIIFIIIIIMTIIIIIGENERAL INSTRUCTIONS- A jeelt or cl‘I‘I'|r;||1' mppurt it required to autleert Th: meter:-rein.~ Flnute all nab-Iee arrd wires ptetrerltr [D396 ‘I-51-

TDU L5SpecialPln 1|.1ann-er 0190!-0010000Bail race t|:rnt;wet ITH-IIB-1150000 — M5310-1??-01774, U.5.A. Uni‘;

EbmmenBearlng drhrer handle A DTTJB-IIIIDBEIJ — EITQ-45*-51104110Bearinq driver outer, 31‘ it 35 mm DTHB-DIJIDICIJ _ ?g¢5_g3?mmBearing dtluer pilclt, TU mm 01715-0010100Le-elt nut wrench, 25 rt 30 mm 01110-B33525?EJ¢'|'.p11;Ifle'_\ |_15_r_ 1_-'1' in driue at 3 In [T5 mm! 071' 16-0620500 — cemmemlallv available

TO FIOU E VA LU E5Sm;-ring ttl.‘El‘l't nut 5.0 — 9.0 Itq-rnHarvdlebar eettlng nut 10 — 3-I1 IHJ-"1Steering Ir:-tilt I15 - ‘I.-3 Iifl-I’I'1Front axle nut 3-D - 4-I1‘ IIE-l"'IFrflrrt 51;,.1pttrtli|:|r5pI't'lII1I bult 1.0 — 1.0 R9-I1‘!Frunt :1-.|t|:|a=a|-iun stopper bell 10 — 3.0 It!-"1Frcl-nt ehclclt rrhr-tlrber upper belt 2.5 - 3-5 F"!-"1

1 u

ma -- as H-lhlI14 - 22 rt-relr 4 - ten-lullee - 2e fl.-lbll I-' -11Ilt-ll-1111-: - :2 ft-lb]l1e- 2".if1lL'rI

Crete at Iesue: I|Ia\r.1BEl/0 In l ‘I 2-1EHONDA. MOTOR CO.. LTD.

Page 112: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

F FIOHT WH EE LFBUSFE N5 IONI-Iontnn. -

C10 'geelrleetloms

Wheel bearing play ‘

Frflnl wheel runcrut H£t|2I'I|;|I

_ _E§He-Bn1j1qn__=|1n nlr-Ft‘! bughina El-I1 ; 13.96 - ta.ae mm

I

Fl’-unt umtle l'Ufl-lJLl'I. - i

i ii _STAhlDAFI[J

Axial , _;_

[0,E-50 - 0.551 InI10.551 — H.555 ll'1I'

fI"='I'I1 bfftife rlnlrn I-D: _ 1010- 110.2 mm I-1.32 - I.-'34 in|' .I:l'|21'T'lI IJI'BIi|?.'I|I'|il'lg1I1II|:Ir|'|55.5 3_9 _ .|_fl mm [g._'|5q'_ U155 in) g_|].mm wfia |n:|Ftr.\|"rt shtrcit abtttrber !pti|'|_|i1 tree le_r|g'd1 ‘ 1te.a mm tee: my

-J

' EERVIOE LIMIT

0.03 mm [D-001 i-112.0 mm 10.03 Inl

mm inl0.2 mm I-0.01 inl

111 mm I4-I1-inI'

‘IE-5.5 mnt [I152 ir|I13-55 mm 10.533 Itll14.1? l'nrn 10.570 InI G;; '51-ilipentlun rlrn-I piutrt mullet I.D. _ 14.00 - 14.10 rnm

Shnelt Icrwer mfluflt buehing D,|:l, I-L95 _ -H53 mm

Shcrttit lewet mbunt miter l.lJ. 110:1 _ 11m mmIE|.Il'.I1 - C|_1‘I1'.2 lflll

10.1?! — 11.1175 Irtll

11.51 mm Inl-

12'.4l rnrn 10.11-HE inl I

TIIIIIIBLESIIIIIITIIIEHerd |te|rIn|1- Biélflriflfl flflrn bearing aeliuetinu nut run tight1 FlLlI1"|\' eteurlntt ITEII1 beer-inns3. Damaged tteer.I|tr,| Hem bguringi4. Ineufflelent tirtr presaure

Eileen tn eme tide er den net tredt etreiglrt1. Faulnr rlqht er left ahoelt ebeclrbe-.t2. Bent Irtmt ferlt etmEl. B-a-nt frtt-n1 H1115: whee! lnatall-nu incbrreethr

U Frent wheel wobble1. Oieterta-cl rim2. Worn Trent wheel bearing:3. Faulty tire4. Axilt nut tightened prupethr5. 1'r'clrn Irclnt suspenslun m-m I:t|,|5hir|gE. Laure er bent lpeltes

Seft luepemlm-|1. Weak shutit eI:l\le'rbur wring

Stiff luepemiun‘I. Lecil t:I e-reaae In 1-U!pE'l1lI-ilh errn buihirrea

Freni Iuneermnn nmile1. 'I.'l‘crrn t-ulflentitm arm bushing:2'. Damaged rub-uund stepper3. I.lJIIl'iI? BIT-Erllill -l|!flBI.'.lI'IJB'I' Iagtgeqgfg4. I-8I1|'€~n1‘ greaaa in msperteien inn h1g1-ring;5. Lair-It tr! grease in tpeurlemeter gear I‘|¢||,|5[l1g

1 2- 2 rfu Del: nf _I15|.t:: lfley, 1531]

emcrraur. eaten ed- ttcr.

/"'1

-'1"-. |

.‘ \

I‘-\.g‘|

r"""‘t.

-'-“*.+./“ts

.---\_

Page 113: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

.'

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.-"'

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--'-%_HnNn1-LC7 U F HUNT WHEE LJSUSPENSIUN

HEIIILIHHTREMOVAL

/ff“

aF|El"|'|G‘|'|: the headlight muuntirl-:1 scrum.

_--I- " '_D'|su:r.\|'|r|I::|:t thn |‘\|1.1|d|ig|1t 5'-'|r|: |:|J||r|ECn.H'1 and {E-' .0-'." _p ||_ ‘I!_ i . -

Irr-cw-5 tha HEHCH-—§P'-‘L

JIM»

SEALED BEAM FIIETAINING SCFIEWD I SASS E M B L"r";'.\'-'\SS E M B LY

Ham-we ms hur-mural and \'nr1|I:'-a1ar|iI.rstir\-[iscrnwafrnm she |=m.Hfl|'|1|;-‘Fl: lh-I: clip ,:|':rJ Imalud [mum |.ln|l |E|.zi:rl-Hg\r:rmr-', and uaele-rJ beam unit

Assembly ls Thr- l'I'-W\?|"ii' ml disasaemulv Aln=ras-sun-|ul\,'_ adjun the 'r=aa|:Hiqh: beam {page 3-1.51,

r-|o|=uzc|n'rm. VERTICAL|N5TR|.|H[|"5 ADJUSTING scnew _ADJu5‘I'|Mt'J scnewHEMUVALHnmrwn rm: ||r'.l||.|.||gh1.

F‘|I‘:|1'lO'\'E 1he handlelzual m|:~.mt|n!: nu 15.

Data uf issucri May. 19-BU "1 1 2-3EHDNDA MCITDFI CU, LTD.

Page 114: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I Install the spelt-:tc|mete| w|th the lelllrtg. I-|;|r|rt-g.

HONDAFRONT wusztrsusremsrom Cm /IH.

RHISE 13!! I'li_l.l'Il_II[!tIi|‘ flfifi ||3r|1¢_y.l|: -iDBQfl|_';_!|||,g1u|-

5:L'|!i|'|g 5;]-"|'|'||'p,

Diiflflllrwcl thu $1III!E|CIC1lI1o¢t|.rt:ahl|1.

NOTEDH not allow the nnulg rt-1;: 19 [an ||-||'q. 1-ha5IEE'rIr;-g l|H.'1'l.

I-7"-Bl10l""IEfl'E lhl: =t1u-uni:-mete: and Irtr.It|;.it0r bulb -,1-|||,DC|l'|l1Et:ttt-rs. --Ffnm nus the 5pEEdufl1:1:r, -

SPEEDUMETEH CABLE SE I IING EFHING

Rum“ M bum BPEEEFOMETEFI Llfil-IT HIGH BEAM INCIIEJATDH

NOTEIf 1 replacement sulb LIt.r|=:1 nqt light, chad;I1I1E| v-|r'ing '-:Jr t-1 |I'|nrr |;|r qpgn girguétl |_t|' fflrInk?-I1: cnnnn-:ti'.‘-nt-. F

INSTALLATION

II1.-!ta'| TI‘||': rlnredlenpr.

TURN SIGNAL INDICATOR HEUTFIAL IHDICATUR -

_I-».,_\_~.

_’I-I.

r

1 2-4 In Datanf luua: Ma'|r,19BDI3 HCINIIIA MCIFDH £30., LTD.

Page 115: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

-1--

___

-Iii

_.-'--.

.r"""

_,-"'“

_.-’

If‘-.

' H;,- FRONT wHEELmusPEmmumfHONDA~$“Y>-Q cmI'|lII|]I.EBlIIREMOVAL 3

‘___ ___ ..-|-_ I‘ I

FIBFHC-‘|'! Ihe Il:.'r..I||g||1' l

L?'ir-crtnn-':ttt the :;:|eed0It1e||:|-'-'r|~-mt. ‘i

/I’! IFM’-r\'r:'»'|.1 the I-pr-1 fli|r'I-l2IIEI\iIl EW.i=II'l r-.1t:|ur|t.-|'|g1‘tCFI!'l'l'$.

TH RUTTLL CABLE ENDD15-cu-nnF.-|:1 the TI'l-'|'.I‘IIIE liib-E term nflrl -*|Irt1I:|'.|-I therh-nttle gr-p.

D:gtt:t|-I‘ I5.1:t||:: Hay, IHHD 11:

z-Human-. moron cc--. nu. 1 2'5

Page 116: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

FHDN T WHE E LISUSPENSIDN

HONDA""'\-.- .

H-2-|1|r.w|.' lllr lull I|n||uluI}.:n e.-'1.-|t|.I| ntuulll-ltgt-;|:lewL

l1nn1cv-.'e The "'Ii-'n:|r=-

l-"]|;|I'|'|-',:u,Irt H1r l||'r| r.||_;|||.si5.

Flemu-.-e the left t|r||:l-.fiun-mum lh-.-. l'|itr||J|l:E|ul :11 |:|u|1r. rn;| HuttHa|5|1 ';I't-5| h|'mt'I|uk.1:|| u|‘||JI u|‘|F:I|‘||'|1|IlI 'I"II'l WIf'l‘ll3 I‘Ulf'-=e-siee.Fle|11tw.-|- 1'“|r! 'i.lIH!E‘ljt'.2I|"l'l-E1Il!I' t-ettirh] in-ring -1r|ri$rJEEEl‘fl-r"1r_t1{1'

FI!|1|-:>'-Jr: tI'||.- l"HIH1I=|I}3I fl'iFrBI'l'|'lI'I‘g.'.

IHISTALIATIUN

In':1.1|l 1'I1|t l1:|t gnp.

In':r.aI| the 5DCIEllZIG~Il'l£'iIBl -ntn 1"w ha.n|1lnhar with the:t:t|II=g mrillg.

Clamp 1"-u w--rlrtq harnesses |"t|:- placn.I"‘|."|r-1 t'|'||1 hnr:-|.I|t1t;u1r nrl >11 I'1'||:ur|t ||r||I I::urI|1e1t‘|I [HEipeuclnmeter cab-‘e.II'li1i|II 1I‘mI|urt1:||t:I::~ur |1'|I::|.|||t||1g |||.|.|,:.

TQHUI.-IE1 LU-3.U HQ-I11 I14-E2 H-"II

ihitall the "l'IIl'lO1'i.

"'IIr

‘lg

" -_ T“--n"

1!; . .

_-'—I'\-,_ "1

HANDLES-"».Fl FHIDUHTING NUT --'-

H EBAH MOUNTING NUT

-Ii;

it ha.{'_ .l "

1'I

.1. I-

.1-I-t

Al‘-iUI.. _

1 2-6 "II Ltateof Issue: Maw l5i*EllIl1’-?Ill'lLIlhlD.|'t MOT-DH C11, LTD.

Page 117: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

_'_1_

HONDAFHUNT WHEELISUSPENSIDH»- cm

‘.-'

' her 5'--.'ite'r' rrluufltlng -acre--t-5.lr|staI' the leh hancrle.-5-.t:;.|||,r gt ::.::|.- It: lI||.~ |hru|- ||: gr||-. alitlirlq !l.i|'IF|l'.-I!

Connect the throttle c=1l':-l-_- euzl te t-"-e thre1:'=e gnu.

THFICIITT LE CABLE El"-IIJI

.-r

| I

IF|

‘___ JanFl ec E55F.ft lG"" "|:|||tItt"-I1:|| :;w|1t:|'| Idlllj '|‘-'I|I| t?'--

1"

Ptllgu I t; ._ .. .hn -.t|I||::u- r|g|;r_:*-',r.g|n|1 Il't';i1_JII thrt nw-tljh

F’.-'

_I—.

- ' ' ' ' ‘IQ-3-I urIt.I uur|I1tt|:1 tI'.|'I I|1t|:|I. lI1|; hr_-;||_1l||'r.1 I|;|,=q|_spur.-rle-"121-.1-r -.r.r-I ee.P-.d|u-.-". |I|rr1l* t' |';||‘.\-vfr-1|:-j |-_|l3-I. [page 3-El},

J-

‘F

1|:-|

D UST CO1; E Fl

t,-5.!

ee_.F'

, ’ 1",-

‘I1

__.fHUT

5 T T T 12-?Dntcetar I|;.5|_m: |'|'|n\,-_ IQBDF§lHClI'-IIIIFI -"||'ICI?DH CU, LTIJ.

Page 118: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

F HUNT WH E E LFSUSFENEIDN

HDNDAI370

%\I

FHUHTIHHHHnemovetname me lrent wheel off rhn gmuml W plamrq alu r.I|:|nr1 hl u|:lt- ut‘|t:IE|' the enl;|lntr-

inaetlla-mutter eehle.‘Fliemnve the front brake atliusling nut itm-1 Elilnfllr ' H,net-,1 1]-H; bruke |;:|I:|Iu tnnm the brake arm. //I

Remove tree eq-ttnr pin and It:-nn:n the .1:-tlq nut,Remove the tmnt axle.Hen‘-nun the !.'rnr=-t wheel.

WHEEL BEARING INSPECTION

Cheek u\|n||uI lgturlng play by planing the wh-unl in a 'truing mnu and eplnnlnq the wheat by hantt.FIIrEpIi,(:|j: the bearing-trwitit new on-ea if they Ira nuiw

F "Lut.'m:l1 the st:-as-dumtttnr mbln nut and remtw-B the Q _

|

r

AXLE NUT CD'I'I"EFI FIN

er have eltlteesiw play. | FLA?SERVICE ILll'tllT: fl.D31t'tl'l'l IUJHI1 H11

_.--_. ._ .-'

r ' I-fr’

M-

CABLE BRAKE ADJUSTING NUT

T

1 2-8 "5 Dleeef Ieeula: Hn\r,19-BI?@HUNDe'\ HCITCIFI Ell, LTD

1"»-.

'—'\.

.-l-I-. || I

.-"~.

,t'""‘t

' .1

.-"“'-H4

.~""\

Page 119: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

. -’- IIQ1“II-HB-ll] FRONT wneeuausretuateal

WHEEL BEAFIING REPLACEMENT

Flamtwa the seal.Ham-nue the bigrlltgl and 1.'l-i!.I|'rat|': eullar ‘item thehuL|,

K5?‘-.

9 -pea} SEAL

MI‘ II“ I'“"""" “M """“-" I BEARING nrtlveh HANDLE A - lIl?9iH»61'lDCllJUDrift! lfl thtt right Lltl-ll'|l"tg brat. BE_A§|~,G DRtI||rER GU-|'E|:|__ 3;: I 35 mm

Pre-.et'thu diltlnce t:|:|llar lm lalIat|- BEARING DHWEH PILOT, la mm I T DI“ mm

r-- Hate .. . . -I‘ Be lh!FlI!l'l the lzfiattanca collar Ia I11 petition

liflluru lnlttulllng the Inf! Haring. ___-:-'__“'Z_

Dtlue In the left hearing. I I I

Met; E-_ , . ' it* Drlva thlr blaring! aql-|ll'll'||'. _1 Drlva the bearing intn ltlttaitlun, l'fllII.Il'l'§ Ii-ll‘!-! -' --' ' '

\ ehm; I1 [1 fully |g51;||d ind {I111 fill! lflilllil I-‘HI '

is facing nu t

lmtall the 1aal.

.1\

I I WHEEL IHSPEUHDN

C:-melt the ri'n'I rur|ut.ll! by planing the wheel in atluinq atancli. Spin tha When! rlulllllli and read Th! \runelut using a tlial indlcetur. r‘ -

l . 'fr" senvtne LIMIT: It 9 _; _

RADIAL nut-luut-= Ln mm tttoe llll 1\ I.“A:-tl.e.L BLINDUT: 2.1! mm ll'.\.l:la inl F, __ _ _ nl

IFF

Data vi Issue: Maw, ‘I950. 1" 1 2-9“@l+DNDA MUTUH CD“ LTD.

Page 120: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

DFRONT wneauaueaerusluru CHI

HON ‘I/"2

AH LE INEPECTIUN

5&1 the axle tn V bInr'.It‘: and mttrnure the ttrtanut.The actual runcrut is I."2 t:-f the tntal -nclictaterr-earling,

Ii". Iaenvrce LIMIT: a.: mm lam an .' _"_. '. ‘___ d__. fl

I-1

/.""‘* _xiI .-'

BHAK.-E DRUM I.D. INSPECTION

Measure the hralte drum imicle diameter. ‘

SERVICE LIMIT: III mm MA I-111

‘h

___':i,_\__\_

_r--.;l\1?iiinn.

‘ "' I"-"I 1at ,‘:.\‘=T"v—"-E;

—r_

i --/>l

IBHAKE LINING THICKNE55 INSPECTION

IIIBEUFE Ihl: IJIlI'll.l linlnu thtel-cnes:.. I’

SERVICE LIMIT: 2.0 mm [Elam ll'rI"___.-‘;_~_,,.|-—_

ti" ' - .|l'|‘ ‘ f _"f- .1 '-..-, .'- I ,-

-- " I |I | ' I.‘ _|'

ll.

.- I".

1 2-10 1“ Eheteul Intel. May, TQMIEIHDNDA ll-IIJTCIH BU-. LTD.

I-l-

er-_

#1.

.

Page 121: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

F l§§;j_,.' 0% FHU-HT WHEELISUSPENSIDN

In BRAKE meter. DISASSEM HI."t". SPEEDUMETER GEAH

Herrteve the l:-ralee arm, In-:lit=attIr :=l=|Ir' =IH=!"E1I-lrl'l BRAKE p'9'IIIEI'wring

' " ‘l SEALFlam-mtg the ljlrai-:9 5-hue-s nrrrl I1fiI:N.I1! t:u-n|.. LI:iI_|IF§ITD¥I ' j_ I

Ir -' Herr-.nue the sueeclnmeter gaar. - -I-I‘.-,-_' 'Fltlrhew th-tr wall. II‘ I‘ . I

.- . - I

t “~ I"_,.

F‘

€L_ *- cilfil 5|| I I -_ I‘ I‘ I

' .. BRAKE cram -.lItt \ FE‘-T SE“ eemte er-lea.sI

‘ea M-IM seemsBRAKE .l'-‘IFIM

BRAKE PAN EL ASSEMBLY

Ag‘:-pl-,' -g*E.:|51L te the -ipeadclmeter [eta-r and lfllflflll 1l1I-* Tqaarlrletall the seel

--' .-'-

SPEEDUNIEFEFI 'I'.IE.I'I.H EEIIIIL

SH-DE eenmes BHAKIE cm-1 -@Apple grEa5E 1.; The elidmg mrlece elf thn hntlm eanl- ""--.._lnetirll the brake cam.Irhl-IBII the hralte eh-rm: and rite! 5lIll'lfi-l;l£-

fimramlmnzl-E-Ska l'|'ru'r-res reduw napping]JD‘lR.!'I".Keep greats ufi rirr fining;

SHAKE SI-IDES

Date of Ii:|.1.||:: May, IQHD 1‘5EIHDNDPI MDTDFI I35-I LID-

‘I2-11

Page 122: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

Hanna.FHDNT wH£ELrsusPEn|s|ou BTU -'"-"~

I-rsflfll the felt usal-lllmlll the wear i1'||:li|:a'm| plate.

fiEIE___ Hfiliqn th-B indicator [rlhthe Ir1nr.\r tab wi-I11 thel.'.!.I!D'L|t {JP this brakn |;|m_

In:-tali the |:||-‘aka efln and rmurn 1|'_Ir|ng,

FDTE| Julian the r|ur".1:H rflurk;

Tightr.-n rm: hn1J|:= rm hqn and |-\|_|1_

INSTALLATION

lqstull 11--a hum mane-I b11h-we-n the furk legs.

NOTEMlilfl !|l.Il'I the ting an {hi |-jihf p;||p|q1';|q|-|BFITI ll In-Izatad in the qrm-aw at mg huh‘

- Vi“ _

lflltnll the a:-ela shaft In-um lhq right aid;Tighten Ihu me rIu’r.TDHDUE: 3.D—I.'B ill-I'll '|12—2B' H-IH

lfiilfllf I new cotter pin.Burma-ct the frunt hraka an-cl Lp¢=c1|:mmmr.mb|g_;_-'5L!3|,llJFtT|1Efl'-Dl1'|I lamina ipmgq 3-14}.

FIIUHT SHIICK ABSIIIIBERHEMDVALFlemcruu aha ‘frunf. whaui inane 'l2~Bi-Hu-nu_1u¢ lhn lrunl, 1|-mcl. mwrber and rebuunfli'u:|-pp-ar muuntlng bolts.-:1'n:l rluu,Fhsmnvu lhu flancl-I: lhnafltnrs.

BRAKE ARM PU NEH MARKS

SPEEDUMETE R C15-B LE

BRAKE CABLE Bil,-miHUT

AXLE NUT

-1.

1 2. 1 2 in Date of Luua: M-av, IQBD -§1HI."JNDfi. MCITDFI C11, LTD-

1.. ‘II

"—?'\.

.4 5%,‘

is-'~.,

:""‘-1*,

1'"-"'

!“."“.\

I-It-I"

Page 123: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

lJ1\I'ID.-5.BTU FFIDNT WHEELISUSPENSIDN

mD'5'°‘55EMBL""' SUSPENSION AFIM EHUCK .A?'S0l=IE5EH§=lmm_;|.-E the Imlmr 1hu|;|r. ubsprber mrnlflhrlg bflll __T |and 5|r|‘|ur:||I|:' zhe -sui:-ur=.-iiI:|r' irrrfl Trflffl 11118 i|'I=J'-3“ ._absnrhaf. -._ 3-_ '

_..r"-

\-,-r.-.-.-iwf-’-i-T-‘F5.’-0-‘I

.F“?!-'|¢_.

$- ____. 1-,. _-_._.-Ii

1} -I" _-fllI _||l"..\

Fl-emu-an Wm dust cum and dilamrmhlc the :usbEfl-

‘i°" “F” DUST SEAL‘-5 BUSHING\ must CAPS

\~ ‘I WP @wfi@®'j I. .. Q6‘ '

» ausnuwfi ‘

.1 GREASE FITTI .SUSPENSION ARM N‘-_i-i- til

EHDCK ABSORBER INSPECTIONFHEE LENGTH

Inspect the sh|:||:|-1 he-r|',' inl nil Ielli-t an -- --—;-M-nz15u[|- |l1|= lreehr.~|1gl+| crf spr|rI|;|-SERVICE LIMIT: 165-5 mm 16.52 in}

D t Hi: : h1ay,‘1BHD 121 — — _ IEHHTZIDHDAHEADTDH 130., LTD. 1 2 1 3

Page 124: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

J-—'I-|HONDAFRONT WHEEL.-‘SUSPENSION ""‘

SUSPENSION ARM BUSHING NSFEGTIIJN AH“ FWD... SHOCK LOWER Mmmn.

“ERNIE tlw bushing nutilde |.tIume1;qr_BE FIV ICE LIMIT:SUSPENSION ARM PIVOT: 1155 mm IlI.533lnI' ..SHOCK. LOW’-EH MDUNT1 11.51 H'll'Il IU.'l-'5? lr|I'

Maas.ur-nth: buuhlrq |1DI|Il' inside dtimsmr. --ii ' _ _ "'-._ssmncs |.|m~r= ‘ "SUBFENSIDH ARM FIVDT: 14.1-T mm {D510 In] -.3‘SHOCK LOWER MOUNT: 11.41 II'lI"rI ID.-489 ITII

1""--..

.-\-.|

ASSEMB LYFE

Assemble the suspanason arm! ENPggn q.;||;'.". s;|,|5p|rnpi|;:|r| .|'|r||| p|u'fl'[ |2I1.|£II flip II'I l‘hI"Dl.'plauaa as shown.

I'..-1-.,_

.IP-<.

SUEPENEIDH AH“ ."""‘\.Il'l5I|Il|I the 5lJ5pE|'|i.irJ1‘| arm In the :|1r.:c;l:. ntasprbgr nndIiqhlbfl filu I-In-It and nut.

'_“‘-.

SHOCK ABS-DH H-E H -

1 2-14 ‘H Dateuf Iuue: hI.a\r,19BIJezwnouna MDT-DH cu, nu.

Page 125: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

if’;;§§*§‘~,IiDI\l'DJ\.-""‘- BTU FFICINT WHEELISUSFENSIUN

-1

P I!"-ISTALL.ATIUN ARM PWQT1. “"“' I

lnmnll |-hr: shack EIJ5GI'I2lI}‘-'$- /KTORQUE:LIPPEEFI MOUNT BDLT:

|,.»""‘ 2.5»-3.5 I1!-fit HI!-25 ft-lhI'SUSPENSION ARM PIVOT HUT:

1.0-2-0 kg-m I7—1l fl-ll]|:'|5t51I- thu rI!I.h'.:|u|1d stuppa-rs.

TDRDIJE1 2.fl—3.U hi-rt‘-I IIIIPZZ it-Ihl

re-.._ REBOUND STDFPEFI BCILT AND NUT

NDTE __ __ _ mi '_PD|;|1i|;|n thn r|_:!:|nL|1'|lZI stepper ii shown. _]

_|I'

neflouwu STDPFER

1""

F. Instalt the from whmal IDIBII ii-1?I' I“I-.uhr|ci|-tr: rhn suaperlilflrl III11 Ifiwll : - _ %“

1' , _.i I-‘ .

I sr'1 "--

|§- -‘iv 3 .’ gtI |. 'Y. 1 .- " =

P ‘I I, F ‘Ir

I 1 '

4.‘In

1,...‘ amuse FITTINGS-

|:>. r1 .=- Ma .1950 "3 _EI1AT3|DHD:u:IUTEI?.H LTD. 1 2 1 5

~ IIll

Page 126: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

FFIDNT WHEE LISUSPENSIDNHONDA.

C70FHDNT um-r=|-1 :_:mrE+;4__ .

nE=-.1ew~ |_ Q \|\ if

...‘~.\4- AFIEl'r||.:n'|: 1hr.\ F:u|'|dlBba|' {page I2-I:||. U

Heme».-"e-the Ila‘.-|1| '.r.rI‘1r!nl ipggg 22-Bl.Herrtrwe '-I"-u ehuel-I: aI:-s-:-|'.:-er: Ipqgll 1? III.Flum eve the ‘.-nvr i-::n.:Iu1.Flernrrve the f|'|J|1I.1'.‘.-.|r|i1_!|,Flem-m'|= I|1r' fr.-mt u|J::|er em-er.

DiIr.=e|1'1m:t the E'I‘|uI=.|! c.-|hI|_- ;-t :5-.5 ca. |J|Jrn|L1.'Flertttlvr Hm cheie k|"_'Iti' ||'t1i:1§\ \;-|:r.5I\.r.| and Iernmmthe -"-heke ea IJ|r:.REr1||.':-'.r|: the thrntllu. I.|ruIu: .|n-:1 1|;w|=_|E|:||;||'|-'||¢!|¢r |:.uhie-;_

CHOICE CAB L E

FIen1r:wn rhr- ton IJr||Jqc rnn-..|nt|ng belts.

@>

GAHHIEFI.'

FF"

II|I

III|

FHDHT FENUEH

4'.

12-16 "‘ Dame! Issue‘. Mm,-, 1950EZIHOF-IDA F.-‘IDTOFI CEL, LTD.

_._

I I-H‘

_.d-I-..

'_“-\-.

Page 127: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

/éfinomna'\_/ C70 FRONT WHEEUSUSPENSIDH

Flame-we the eteefing stnrn nul. Lggqq Nu-y w|{£fl('_‘;|-|_ 15 3 3|] I|1z|1:Humm-|_-. -rm: 1u1.| Lxidue. meunn nhd Ila|"IrJ|E'IJB| EXT_I§_I'-ISIDN HANDLE ANDImvareever F

-liI_

Remove the Ieeernng a|:I]u'.itIr-9 nut.H 1h_‘ ' R _ 6 ml PIN S1I='Ai'-II-IEH, 36 mmh;|;neI-rn -1. rv.-I-nl ur ,u1.1per4:e-nelace nn s n n?gm_m1uDL:u

.- ER \l .

H‘ '“‘ x 1_ “*-.e:~Q>l_ '~. r.'='r-.____:“'_:,.':»'—' A “I '.'I-_'

-I“. "'1 ',‘I|l__I :'| 3| "'

LUWEH CUNE FIACE FIEPLACEMENT

Hem-we the In-.v.-er |:c-ne race, dust eeal and washer.Inatall a new dart-t l\T.lil'| em] weehur. ‘DI'l\|H-I B HHW ICI'\\'B'I' CGFIE -IBCE CIIWEI I'.I'l-El IITEIH.

_,_.

II‘1' 1LDWEH cone RACE

D:_th'| 1.1-I Inue: Hay, ‘IQBD 125 _BHUII-IDA MDTDR ED" LTD. 1 2 1 7

Page 128: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDAFRONT wueetrsuseerrrsrerrr C70 ~

.-*‘—' .

Ii ' _

er-'~r_|_ FIACE REPLACEMENT ?fg';‘é_P?”§§§D§F|5”;='2:”'¢§Q "HE!I‘I1iI"|‘! 1;lf‘|E =D'.i.iE|' Luirll l‘|]D!! with lhnr ;|'._:|;|gi.3| 1;gu.|_

Hrrmtr-'.rri the un|:rrrr hell rac-=- with the errmn tn-nl

NOTEif the metcmzwele here been rriire-I'Ecl_in en—_]nr:-::irlr:;|'|1, rrstnrnine the-r nrrre nruunrl ilhn steering

; head for -:rar:-Its. _ _

I'Jr-ire the u|IlDEl' ‘I:-ell race Into the iteeririq hrrnd withthe in-r:r:i.~rI 1uc_rls:.Drive the Inwer bail race inte the steering hencl withIl‘|e temr: Iuuls.

Apply 3 eee: r.iT Iireerrreg green I:-::| the upper l:|i|-‘rl rageBi-1-d Ir'!r1.ei| Z1 |t|:<:I hallii.

Apple e truer crf hearing green Lu the 1:v¢-ertmll r.:|r,'.r|and Inetell E1 nee-I tmtle.in?-eri the steering item rntr: the steering heed em'.|irtttuil thr: ripper l3Dl"‘=H race and beenrrg edluetirngrrut.

LV M931-I'.|-I I? ‘E-ll 77:1

rIr-

_‘._

1 2-1 B ‘E Date crf Issue: !i.rIe',r,1Q=B[I$JI'l-DND.-A MUTUH CU-. LTD.

_,__

_.-Ii-\.|

;-|-

.--\-.

-—-.

Page 129: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDA"“ _ 0 FRONT WHEE LISUSPENSIDNK7“I,-_

upper t:-:rne raee. __ ,

Then, Igqeteut rt 1.-re turn. -I . I/a___. Clrech that tneie ti ne we-rertr-el rnrzhremerit rrr‘-rl that ' ' , , I' 1h|_r stem |'i:_:-tr.tI'r:: ‘ltre-:!'.','. _ '' _ 1"‘ - - "

' - ' r ".JP 11' ".1. =t- \' E I "‘'| '- i:_" . I '_ | I ','- ll ‘I

__- fr rl ~. r__r| _ I i,_ i-1| ,| |. -L '-_ .. -.-,= I I

T“"“‘"'" "1" "'J"“"""=‘ "“‘ “"fi' “"5 “'*"""” 1"’ BE“-rtttt. rtmtrsrtue rttrr r=rr~r ETPAHHEII urea:-trereetre

.t~‘_r"'“"

tnttuil lllu handlebar lewtrr -never, mp nr-.r:Igu meunt! |_|'_}t:|{ t-.tt_;|T 'r,|.I‘HEHCH_ 26 :-t it} rnrnare-LI tep Itrit-.I;|r.r. HM;Tightull the eteurrnu stem nut.TORQUE: H.D—-9.0 kl-I11 {il3—B'E H-lb]

III-.

In'»=1e|II 1+‘-u ‘tt:|| lr-rrtlge muurtl 12iD|'1t. \" ‘I... ‘ 3 I\ -r

Fluute the up-eeclerrreter, crhnhrr and thrutlle 1-'-1|-lie!lp-ettfl I-El.

F-

' lrrstull the Ir-zrnt upper i:.i.wiJr. firm! r-trrrrirr until lrflflt

’__,__ - Headlight [page ‘I’? 3i

I-rtrrdgrr,

lnllflll LITE fnlnwtn-g:' Hunrilubm (tinge ti-El- Frttint whrrr-I ||,-rqge I2-I2}

.-.-.

r:r -:r-fl ;r.r..reetr I-'5' _eahhenftuhretge Ctl. ttn. 1 2 1 9

Page 130: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

Hnntnn. |r""_f§;e\.|H EA H WHE E USUSPE NSIDN

{D — Ell kg-tn129 — 36 ft-lb]

- _ ___ __ I

.11». .. #931 /-” I-t} --' "-El‘?-, ___

It‘ -Zr-. ‘A?-ili -. _.~*" if

:.tr-3.er= F ..i -- I I ‘ 1*-_~.Pm ---"’ _

.. ' "Ii-'1" '"-.._ '

.-- - P‘ -. _ . - .

A " I‘//I.1- ' .t ‘Tr -.

1-0-2.0 he-in IN‘-J "‘-“Kli'—'t-lift-lbl

‘L.-I’3.0 — 4.0 ltg-mI22 — H ft-lh]

I’ 1!

1 3-0 m Date er Issue: rttw. teat:errerreri-. meme ce.. tte.

."-"I

.- -K

:'—'~.I

I’-H‘

r’-7',

,-_. .,_

Page 131: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

@"“t‘ti5”"‘ it GIJ I mfit:$2E5i'£=|= =l"'i=5"“-..

[ juSERVICE IN FORMATION ‘I3--1 DRIVEN FLANGE 13-?

trreuetesuoettrtre 12-2 st-tetzrt rteseneen 12-tnE REAR wrreet 124 swrrueetem 13.12l

SEIWIBE INFUIHATIUHGENERAL INSTRUCTIONI A iitrlt ur ether ttrppurr In reqtrrrecl te supper! the motcrrctrele.

T DU L5C-emmen _.

Béiitlng iI.ItI'.I-Er tun-Idle A

BEBFIW driver IJu[E'l'. 3? rt 4|} rnm

Heating rlrluer ptiet, I2 mmBill-l'Il‘IQ driver nllctt, I? rr|r|1She-t;|-r; trhuuttaer eempreuur

TOFIEILJE VALUESFtertr brake l|:t-ftitue lrrllitDriveh flu-nga sleeve nutFleur turtle rt-utDriven ip.r-zrelteeFlt!-rtr ihrr-nk aheurherSwingtr-rnt ptut-u

SFECIFIEATIUNE

U?T4B-IIJIIIIIDD — D'?91B-EIIIIDCIIIUD?B45-‘DQBENFUU 3? l‘t1|'I'IT? '° ““'"°‘°'"° _' urerreenntrocrtr, 40 n1n'|

U??¢B-DQ407300077451894010001955-31"9DClI|1

1.r:r - 2.r;r rt;--1. t zr - 1-: rt-rtrr¢.tr - e.tr Hg-fl'l t2e _.ee rt-rm4.0 -- E.IJ he-m tee - 2e rt-re:2.0 - 2.5 kg-m tr-t - rert-rel211 - 3.11 he-m tr-r - 2211-Ital::r.r:r - 4.11 K9-n'| r22 - 2e rt-rut

Ruth iiJlI;UFIlItIJ-1IWheel t:|e|t:|hg pin-

Fiear whnnl runcrut Herein]Axial

STANDARD

.j_1_-E-.

.

Fleflr l:rr-Ike ilrurri LD. I 1.5 - 110.2 mm 14.32 — 4.34 inlHear brake Iining thieltneet 3.B—4.£Irnm 10,15-—D.'IB|n|Fleer struck ulnurher spring free length E-‘1_9.3 mm In; I

i-

serwrce t|r.r'r'TFL? rrirn 10.01 inlIII.D3 mm tlllillii |rr|r

Ittee re)tetra rt-.1

2.0mm?_I'.ImrI1-lit mm (r.t._t_t'Ir-rlr2.0 mm [I105 irll1"ID.5 rnm teen rep —

q'___._ _.__. ...

Date of Issue". Me-,-, IQIED "9 1 3- -gWHUNDA HDTUR C11. LTD.

I

Page 132: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HEAR WHEELISUSFENSIDN

_q_

TRUIIBLESIIUUTIHBDsmltlatlunF. E.rrnt_ timZ, Wrfrtn rrerpr r.'rr1‘IE'r!I IIrE~iFIl'l-I3

3. Lr:-eee er i:rrrrr: epriirrre4, F;1uI1‘-|r' titril

E. Lcrcrsa etrlaEl, TI-rrr |1-ressur-Er rr'r£tJt='Bi3!3'. Swingerni bushing '-r-rt'rr"-

Suit suspension1. Weak muck trt:rsr:rrIeer sprlrrgs2. Shock absorber leehnqfi

Harri atuperrslun1. Hem r.lrr.rr:lr ulaenrber2. Lack of grease irr swirrqarrtl |JLl11'iit=iflB H‘

Strrpenncrn neue1. Sherri creee binding2. Lu-use i'ertrrr~=rr3. i.fr'r.rrn r.r.'tiir'rr]err1'i It.\;I55'r|nrr_:|=

3|}1 3_2 1 Date r:t-f Iieeue: Maw. I950EIIHDNDA MDTCIFI CD, LTD

.-"“i-.

-i-t

.~—i-t‘.

_|—\-_

-|_

Page 133: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

Hanna.3"" HEAR WHEELISUSPENSIDN

El“ \'l'|'iE[|.REMOVALHE'S-E [he I‘!-!|' wln:-1! n1I H1: gruurul Ir; pinning 1|5-L||.||J|.1-rl L|||J|:|I. undclr lh-;'. mnrnrgynlg

Fiummrlz The :'B3|' brake adgusung nut and G|I~it0|‘|rv:|:1H19 |Il|3|ICE IE-Ll fr|I||r| ||||: :11 [flue arm.

|JisI:-onnsct the brake torque link it-;.~m 1h: Drukiepanel.Lnn-sr:"| thn driva c-hi'rI adjuaaing 1'|ul=_

qurfl-fa":-r lh|: culhir pin frnm 1h! rnnr mclu nut,

Flu-'r1-:~e the aaucie run and pull 0u1 fluzr axleHummn tho nlhuql.

AXLE |N5FECTTU'N

5513 '|li'1-'5 33¢|'!-'4 in "1' *!l|LhG5;S i1|.1 IEIU l|'m :|::.l|'. r\_|r|4;||_1L_

-BRAKE DRIVF CHAIN-AEIJLISTIING NUT

—----in--_|

BHAKF

CUTTER FIN MKLE HUT

~:

BRIWZE TDHUKJE LINK

J _.- ‘

.. _ 1 \._\""-\“\"q.h_ ‘I-.:| ‘H I _' I .

5.?»$9,»/ J

_.-.P.’-'_.-'

IHI

Tlw actual axle run-::-ul i; |."2 qr TIH Hma| 1lndicatm F|e:uJi|1g:|. Jsimflcz LIMIT: IJ.Z|'nm|lJ.flHnI 'qg_'-' if

_' I"; 1

-“HI.{_—R

___]

D12: ul |5-:-us: |'|kq\|r,1BH-D 13‘ 1 3_3TEIHDNDA |'|-TUTOR CCL, LTD.

Page 134: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

:-Iomna.REAR WHEEl.J5USPENSlD1'\| C70 J-

WHEEI. BEARING INSPECTION _ _llhmgi-c '.r|11|!|_'|| |:e|:::I'|||g |;1la'|.' |.1',' |1 HCZIFIH the whael H 5 PLAY|;'|_|ir||;| -51;3|'.{1 and spin [‘|||‘|!j 1h|_: w11r:|:| '.Jl|I' h:|r1|J. -T-Iepl-ace the bearin-;|1 -with rwl.-v urI=.".- If thr.“.r n-"I! n-niw '

SEHVICE LIMIT-. n.n3mmi0.uu1in+ i|:u -“LEM: :.~:=.¢:|'=:-me p-l;1',.- |

I-Q1

__

WHEE L BEARING HEPLACEMENTBEARING

Hammwg mg |1e,1-'|n[_;'5 -Jn-.1 d|'=1r||||::1: collul l'rur|| THE|'lL|lJ.

-q

‘In.

1,

. .-'“:/'\_.--\.__ _.. _ _,__ I

BEARING DRIVER HANDLE A - fl?El493f!1DflUDI1ri\.-0 i"| 1'|'|-:\ I‘-ght hi:-:|r||1g ||'||. B-E.5|F||NG DH-|"|I'EH UUTEH- 3? - ""3 mm L-|?9i5_CflH_Du_Dfl

Pnm: 111: r.t|st.i|l|:e cellar I-“:1-J alum. HE’u‘H|N'D DRIVER P“-OT‘ 12 mm

|-‘mill; 1|“: l.|r:;:|||||='| w|ll'1|_;"|:ase

more ‘- Dril,-n kn-: hearing nquarfllyr, _.---' _ '-_-_ _ " _“- Drive the bearing into r.I-:\si1in-I"-, rn--h~I1Q =ur= ,-*"'- __.--_-_:'-'-'--' ' _T_:_:-'

lha il -| fully seaaed and mat the seaiu-:t aid" ,._--¢.,,_._.—- ,-|s facing uuf " _' _ .-" __=-:j_ ,I_ - __--'L __-4-_.-__. __ __

.-' - '| -- ‘*-.-. Q ."' .-I _ .___ .___‘, h I .-_.__

U,‘ ":3.-s'Z_|.._ ___ _’.,_-. _ - _"'|\_"'-.--"3 _'_7Jv _._ \ _ __.,__ _ _."- -~12.» - *

-|3_4 131 |].'|11J .1: |::ue |m~,»,1ssoHONDA mmor: r:c:., u n.

.1"-"\

Page 135: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

/’HONDA s 0 FIEII-Fl WHEELISUSPENSIDN

WHEEL INSPECTION

EIhm:;_ um r.m rUr|L||J|. L1-,| placing the wheel Ln a /,*"' ’_____"f"-Kl

|-.muu'.us.-nua d|a| indiaatur. 3' __1:4-u:'|'|;-| 5-yang, Spin fhu wh|:e:| xluwly flr'I-Ll 1|!-nil 'l!‘1& ‘.-"

.= _-,_H Hslzawce LIMIT: -

AXIAL Hum: = . - - _,

. .-

|

| I| *1 ‘ 1'\_ 'x__ -‘

*’ *».,_ g . ._\an.nm4_ RIJNDLIT: 2.DI1'|n1'|'U-flB|II'l1' 3 _ , _f )

u-r an mm muainr - 3- \- \ -.-,~_ H I fsi .|| .I i'£‘fi fi H

1.-' .1‘ I

TI

DNv1F'EFl FIUBBEFI INSPECTION

Heplann l|11e 1|!"-"1pu.l luhlrri If they ME dflmi-QB-d DI‘d-ewri-:\ratu-rt

-1 __.-- .I. ___-

__4— ' I

_='_..-

DAMPER

BRAKE DRUM |.D. INSPECTION

Measure :'='1E brskn drum irlsirlr: dinmrrhflSERVICE LIIMT: ‘I11 rnrn (4.11 inf

‘H | I .~:i|=€!tn. L'-. .

.-4"‘--_ _ _E_ ___.-;::-———-'_—_-_-

' <*"'T

~1"“

Elan: 1:1 I534: Mal,-,1QBO 133E HUI"-IDA MDTUR CU, LTD. 1 3-5

Page 136: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HannaB70 --

FIEAFI I|'IIHEELf5U$PEN$ICIN

BRAKE LIHING THICKNEES INSPECTIUN

MI!flIJ.lrE li'|u hrahu lining thickneai,

EEHVICE LIMIT: 2.0 mm HLIJB inl -— .-

% .1’. ___‘: I ___ — \ ‘I _|'

xiii; HIQ;-' I J" E5

BRAKE SHOE REPLACEMENTBFIAKE CAM BHHKE ARM

Remuus the brake arm and Indicator |.1lnt=.Fiumuw Eh! brake 5i1lIlE'i and brake cam.

INDICA PLATE

-5-Uni? grim-=: tr: thn iii-:iin|I mrfam oi the brake I:-am.il1E1.l'I|i ihu brake shoes and shoe .'|{.'II'l|'I§5-.

Conlmwirwted .|'m':1i.'r I‘|'.r||Inp nature stoppingpa aw.Heep gru.-me off rile Mk];

SHOE svmmss same SHOES

13" D-a:a of ism-Ir Miw, IEIBIII1 3-6 E."HIEINDJ'I. MCITDF: 00., LTD.

_--\_

-1.

.— -1-I._

1-NI

,-"'5.

__‘I

.*"-_

="""H

. '_'“\-ll

-'r

Page 137: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

. =-ii” I-I(J1\TII.Il.ii cm HEAR WHEELISUSPENSIDNPUNCH MA '5FIIII.

Install the telt seal.lmtnil the wear ir‘|t'.l:GiIt€|r Dli‘I.'B.

NOTE _ _Align the Indicator plate inntrr tah with "H'-

|_w.r~1~* '-T" =t-."_L1'=#.e.m. JInstall rm trreire an'n.

f-ICITE' Align the |.|uru:h merits. I

Tighten the hral-re arm belt and nut.

rnercmee r-tare BFIAKIE AHM

INSTA L L ATI ONBRAKE nee AXLE HUT

Ir-retell the near wheel. 'Ir-Inert the re-er ercle and lrutell the axle nut,lrrstnll the trreke terqu-e Iihlt end secure it with a1'-aw c-rnruv pin.TORQUE: 1.-l!I—2,fl ltg-In IT—1iI- ‘ft-lh-I "'I- 1- -..[I|;||1ng|;r 1_I-1.5 ragr brake red tn tl'I|: tnhr Lrreke l-tI"l'I "nn-;l |n:_r-!I||il the brake ediuitlrvg |'||Jt.

Lumen the sleeve nut end adjust drive chain slacklpme 3- ‘I 1 I. Tighten ihe sieeve nut.

TORQUE: ll=.I}—5.0 kg-In I29-36 I-blhlTiqhte-n the axle nut urrrl ir-stirll a mrw I:-Ihtlnl pm-TDRCIIJE: 4-0-5.0 It;-In {B-36 ft-Ihl I ITighten the |:lr|-re chain erljustinq nuts.Adjust the rear hrnlie lent 3-iii.

IIRIIIEII FLMIGEeemevnt LEFT SIDE COVER UPPER CHAIN C-11.55.

Remove the rear wheel {page I3-31.Hnmrm the left aide :r:2nt|:t, drive sprocket never,up;-:|r and lewer rlrwe -chain cu!-rrs.

‘IJ!

_ I

Fl I I I‘ l I E.‘

DRIVE SFRDIZKET COVER LCIWER CHJIIIN C-REE

Date ef Issue: May. I581] “E 1 3- 7IEIHUNDA MDTCIR CCIE, LTD.

Page 138: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

FIEAFI WHEEUSUEFENSION1-Iontrna.mu \__;

Fiernoue the |:lrl1.'rr chain.Rrtnoire the sleeve nut mo IIIIIIeII Ilursqe.

DRIVEN SPROCKET

' INSPECTION

REDIBEE Ht! sprucltet if worn, bent or I:leI"I1ug::i.

ll '.hIe I:lrI'Ir=r| sprocket reI:|uIres rI,I|;|II;II;I|-IIrIq|-I;_5"tII'BflT Tl‘IE lIlFi'-1'8 eh-ain and drive sprocketin-aesfi‘-III.

NOTE

' REPLACEMENT

S-'l1l'It§'l'l|l!l'l thn lock piate '|_1tsI. |‘l.l'1|’l my-II,I;II,I-II thesprocket mouetlhg bolts,Rt:-In ova the spr-cclret.lnstslt e new sprocket, loci: otetes and bode,-l'lQl'ITH'| the bDlt5 incl l:|er|-r.l the rock plate rehg.against the bolt l1eIIItI_TORQUE: 2.U—2.5 Itg-t'l"l 114-15 ft-lhil

DFIl"I!'E CHAIN

Qt It- 11*

Ie,:"

NUT

GOOD REPLACE l

O ><__,J%§__§ EL

13-B 135 Data cl‘ issue: May, ISBIIIDI-tOI‘-ILIA MOT-DH CD-,, LTD.

o-I,I

.="\

_l—ln.‘

—I.

Page 139: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-ICI1\'Il'DB.

BEARING

' INSPECTION

Check the IZII'l‘|‘IIF\ Flange bearing claw be srtlltninethebear-'|tg l:I-,1 hand.rtnt; if it -I5 m:|l:i'y 4:|r l'I.:Il |:KEE!I1i\|'e 1llIl'|‘.

SERVICE LIMIT

REAR WHEEUSUSPENSIDN

_tte.=1Intric

He-place the hearing with a new

: D113 rrntt IlI.IIII‘t inl

- REPLACEMENTBEARING DRIVER HANDLE A — CITBIIB-3lIIODl][.‘£|

FIIIIt-Inn-II tr-.II Ietel end l.tee.1-ino,Peck the beating with grit-ttte.Oritm lrI the bearing sottetew until it seats fulltr.Install the seal.

BEARING I2lFIl"II'EFlBEARING DRIVER PILOT. 1? mm

INSTALLATION

Install the drttren

NOTE

tlenge and Ilenge sleeve.

in ‘Ally: the Ilttu on the llct:'I'|: v.II.tl~I tr-Ie tII=lII lI'lthe swlngatm.

l|‘Is1,.:tll tlle lo'lt IIrl'I'e dtalrl tacliurttter atnrl slrurv-rt nut‘

Install the rear wheel [page I3-Till.Ir-_ttIt.tl and ndl|.|.-ItArllust thc rrrar hmlca [oage 3 14].lrrstell the upper and lower chain case, I'.IlI"II'E'i'DrO:El~tt:t cover ttrtd It:l'1 side prover,

the drl-II: I:l~rII|It {page J-1 II,

""“ }--- matte-aunareu

Q ‘:3?

SL E EVE NUT

Detect lesutt: Hey, 1950 13? 1 3_9EIHONIJA MOTOR CO., LTD.

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I-ICIIUILB. r’___ _._

_'\_fI"

ctnREAR WHEELFSUSFENSION-I.

-I1.

SIIIIIIIII ABSIIIIIIEFIREMOVAL

Rerrtrwt" '-'i"Ie unpe-* trod lower shock absorber‘ mount-ihe I‘lI-IE5 Brtti l-tolls, and remove the slturtlc et;qI:IrbIgr-5,

DlSASSEI'I'IBL"r"

Compress 1'1-B spl'l|1g lU.IT erto-tigh to ram-|;rtIo the Incl;l'ILIl1.

I-IIICII-Bl'l Th-E loclt rhtt ant! remove tho upper" mI5It,r|t_Dlsui.-;:-ttlrnlaln the unit,

SPRING FREE LENGTH INSPECTION

Measure the .tnrI|tgI tree lengthSERVICE LIMIT: 210.5 n-Int lB.3iiIinIInspect zhe shock bode for oil leeks.

'|_ ‘-‘I .-II

I-Ii-

-- - I

SHOE K ASSO RB E Fl COM P R ESSO R

./"Tn

.—I._

LOCH NUT -.

lillgtlrm1 3. 1 0 133 Date of l|:I‘ut~: Inlay. 1950

i'£:'HU."IlI.ilI'7l-. NIUTDR CO-., LTD.

_. -I._

*1

__,

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K_ C10 HEAR WHEELJSUSPENSIDM

ASSEMBLY

Inmn the s|J=ring with the light mu at lh-c mp. *f'?!-<_a~_..»gJmd__

' .| ____._- nmwenll Ii"-

W»LDIEK uur 1.5-2.5 kg-m '

:11-1a 1'1-|n| RE “-STCJPPEH RUBBERIII |

LCIWEH M0ur~|T-""'J ' ‘"@.=..,

-’i~Agpiy 3l|;||:|ci|'1l agent m1he1|:|ck nut and initall It.Tighten thzrlnck nut.

|.-":_;-,-r

'-\-. . ' ' .-". . . |u. .-

1_»»‘*-*

:'==I J_/ 3| ..swocx ABSORBER '--ifCOMPRESSOR H“ =-

INBTP-LLAT1DN

Tight-an thn shack absorber bull: Irlfl huts-TDFIDLIE: i'_.l]—_3.D Iii-rn I14-22 H-lb!'ER1r:-ck shock -lbiurhur upnerltlcun after |ns’r.i1li‘l:io|1.

u r n = Ma JBBG 135 _@aH::5~:u5:l:|uTc:'n 00.. rru 1 3 1 1

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HEAR WH E E L.|"5USPEN51DNHONDA.cm 1

QHMHWMHEMDVAL

F|1rr11m'r: rhu mufflar ipge E-21.Ham-wt 111: nmr Whccl {page 13-3|,Home-'5 the dnueu 1lang-e1|:rag!.= 13- 1'1.Rumrn-n thu shu-ck absorber: (page 13-113].REMOVE UM! I-_'|1 lntkinq wut and nivut bu-11. Flernnm:11'"! nvingarm.

INSPECTION

FHSIJEI-‘I lhfl PH-‘I11 buflfii-H95 and hult Fur axcasaiveVIEIH. Flnplnnr if =|u|:Bn-ar\.r.DrFUEt|1B bushing; |l'|T:r 1111;: with n iufi; hlmmflq,

MUTE:I M3115‘ ILITI T115-I Eh! 1211.-llhlngi qr1| nu]; |j3|1'|5q¢.|;|L J

1!1lpB\'.'T the 1:‘.-|'|:|n gultln fur wuar,

INSTALLATIUN

Insult mu swlngarm -ltd pl-.rn1 bull,Install 1hr- rnulflar hrankat aid pivot se|f'1n-ultinqnl-II.

TORQUE: 2.5-3.5 kg-In 118-25 f1-1h]1r:I’ql| the muck abuurrhnri lung: 13-111.lrutall the driven flange [pipe 13-BI1.lflstull thn rlzlr wheel [mp 13-7|.Install The |'r'|u!f|1:r,

PFVDT HLIT

HI q,, __.

":-

PWDT BUSHINES

PIVOT BDLT

13-12 Da.I'euf |5.5u:: Hay, 1551]EIHUNDH. MUTDH C-I1, LTD.

'_‘\

.'-\.‘

r3

:I'\

»r"-

“'-|

Page 143: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-Iuntna.-" A ,1 C70.1-" MEMO

If”

‘pk

F“

1-'-.

1"-“

{...

I

|""‘

Dare of Issuer H-Mr, 1933 1'"QQJHDHD-'1 MDTUR 1:13., |TD.

Page 144: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

,..1*

HONDABATTERYIGHARGIHG SYSTEM »._

LIGHTING SWITCH

_.- MAIN FUSE

-- —_-_—_.-

_,'_‘.‘-:-__

1 I—l.- '_| '|.-I I I *"'"E" -.-"- -

.-"_-.-"-.-" ----'— 5-.- _. - ; , -

IGNITION ' '

r"""=___-I‘

‘ 2I’; .-1:?‘

I//,/“.- t ,

——— ' 1’ 11”“ —nm"ren~r... __/1 ‘--“ =‘:""“-— IGNITION con.

A.|:_ GENERATORQ;1' __.1'

‘*-swncn '~ -:_.<_ -_ |Z I

.- :é-4::

.1-'f~:-_.»’=2!-. ..». -' -gt-~.,=>.-.' |'“ -if-.'."»-"Ir-'----f=' :1|;;I.::_ =-;'. -

| H :_, _'. ' __.II || _'_,l| H -1 |

Ill III‘? II“. II ' '-

I\.' L .

I‘*1“I-‘___

‘*»:.;~__]§ F

/4»

umvi

‘HQ

_K

'|4...Q "43 Diteoflssua nm,1nan@~HoHuA Moron no LTD

Page 145: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

-I-1.1‘

F.

a'—|

F

K"

f-‘I

P.

{.___

J;-—.

l""'*

am: Y CHARGING14. svstt /SE Fl VIC-E INFCIHMATI ON

TFI DUB LESHUCITI N G

BATTERY

14- 1

14-2

14-3

CHARGING SYSTEM 14-4

All. GENERATOR 14-5

RECTI FIEFI 14-S

SEIWIIIE IIIFIIIIIMTIIIIIGENERAL INSTRUCTIONS

P Buttery 1'-1ui|‘I lmrul ihnulrl he 1:I‘|l:¢:1cflr.I rkgullrlyr. FIII l|'n1ltd|:tI|led water only.' Quick clmrue the blttenr only m art e.-rm-rgenw. Slm'I'-charging is |.'|rI:fe|rr|':-1:|. Remove the battery Irum the moturcnrula fur

cltarginp. If the battery l'11lJ:1. he chained en the motorcycle, diam-nnect the huttnflr -I:ul1|E=-

I1" bum-qt gprtrmna .lI_|n-.fr|-Jp-pr 34:1 |-l.\l|:£rJ: mm be hlgilly e,\',|':l'u-,\II-e, flu nut‘ maul: or allow flnmn or iparkt near thebafleqv, expeefalfy w|I|Fl'e charging fl'.

- All churning 5‘g'i1lIl'1‘l uamrrunlrntt can be tmud nn rhu rflutflrflynld.

TUE! LS5|-'m1:|nl

Flvvfltflfll Hold“ W922-1190000, LI.5.A. unw use cummercialw

En-mmnnFlomr Puller

TU H D U E V A LU EGeneritur rotor-‘flywheel hnli

SPECIFICATIONS

available hand strut‘- lrnrflflfllt

UTF33-flE|1'0EH]1 - Fliemevirm halt, 91113-IE-HEB-DUO

5.5 - 5.5 liq-m :40 _ -11 mul-

Bmmn; Bppqelw EV 1 1 AHSpecific qra\rit1,'_ 1.250 - 1-2euI2e“B I:BB“FlBl-|||-ging rate 1.-1 iumzvzma minimum

-151,13. gflrtnrutur

Fte1|1IIE-ar tyne i

Capacity {DOD rpm I 5,0511‘ mm'l"""""'lPll"l '°“' “""" °"' ' rte A l‘l'llI'|. i 2.3 A mu. '

Slllcnn cllocle Il

Date ul‘ l:;|e: May, I5-Bl] "3 — 1 4- ‘IQHDNDA MDTCIFI CU-. LTD-

Page 146: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

BATTE HYICHAHG I HG SI-IONDA I-‘ft-§;'£;'3.1\~|

vstem CHI /,»_,~..

TIIIIIIBLESIIIHITIHBNu puwer — in-v ntrned mt1- Heed hatterv

— LI-M‘ Iluirl level— Luw 2|:|euil'l|; gravity— Charging system Til-||.lr~e

1'. IJ-islcunnactad L1-attuw lT.DII_1Ifl3. Il.'1Bl|'l Ium: hurngd nu:

-11- Faulty innltic-|| nvltuh

Lmll pnvvlr — key tu-med an1. Wt-.ak hatter-.-'

— Ll1‘l'|'\|'fIuIt.1 |:w,:|

— Lu‘-'-‘ spI.I1:Efit: gravity— Charging wttew I;1iIL|r1:

2. Lu-use hatter-,' ennneqiunLu-w power — engine running1. I:l-nttnrv under|:l'|nr-ged

LD'Wf1L|I|;I Iflvel— D119 ur rnq-re in‘-ggd Q3-llg

2- Chm-ging system f-BIII.|.[|:

Intermittent power1'. Lee-we Iinttvnr izcrnnecliun

_I

1*. Luuse chargllig :.1;:re|-n. qunntnuflun3- 1-DH-SE !1|rtin|; svstem -EOi|\llE‘\':IItJ|1‘I. Lnnse nunnactiurt qr phu.-1 i;i

Bhnrllnq nuum hilurureuit In lgmI.lr;m fl'|1'g|T|

1- I-DDBB. IJI‘-fll<Er‘|_ or ahurtotl wire or Cflhltectid-n9- Rflfitifévr faulty3. -'5-_C_ qunerqtuv |'p|.|||'\I'

14-2 *'" Date u-I lzsuec May, ‘I9-BU*-‘EJHDNDA MDTOH C.£I.'l._, LTD.

1

_. -=1'1

."""'“'~..

.»—\_

.1-"ft,

"H

1-1‘

Page 147: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-InntnntC70 em-re HWCHAHGING svsrsm

ISHDUNIJ C.|"|ElLE POSITIVE CABLE

HEMUVFIL

I"ir.'n-I'M! thl: -"i-;|ht side ::t:'ver.Dis-Guritieirl lh-_- gr uu|v.1- |.;||l:il|: ul 1I1r.I If.l1l'I‘1l:.

Discnnnuct the nos!-titre cable at the batten,-.HE|1!||Il'.r~:-: 11'|r- I.u|1lrr-r‘-|r hnlrir_Ir pimp bolt,

Remove the Luntia-|~,-.

TESTING SPECIFIC GRAVITY

TE:1e|1|:I'| |.‘z:II w'.!I1 :1 I1'\vrIrq|T|qtt':r ,

1'_—-'PLIRTE

SPECIFIC clmwrrv;:20’; e-a”Fl

we-we -fvvWWfl.__ t IgeBeimv I-250 1..i |'||:lert:he|‘ger_t ' J,-'

IR-UT E"L -TPHI barterv rnu1.1 be rggttarqgd |r J“ ,pm;|f,c T

Uri‘-'|I'v it I-1llID'J'v 1.230,

luru as ahuwn In the tableH9919“ II" hattvrv II ml"-Itir:-n is evident cu-

- I ‘\-

' TI'Ifl SEIGCIEIC |]r|ivi'l',' uariui with '|,|'|g 1:fl|T|pu|'a- /-’ \\

. /,1’ I \

I "1" 517535‘ 5'9-'1-I‘-'-' "1" DB" DI-E|IE= il Iillud with HYDHDl'l|1I:'TEH ELECTHULYTE lwrtiment.

The lIM‘l'.l'||*\"_1-' I.“-ml.-i=li~}l».'}ilT1uG-T-'fi_ilmrd mmurr W-l'l"II thin, r-vrs er :-i'u-n'u'e;

__

.| ____

‘Y\_.r"

I-In.r|in'r.rtr.' I"|'u:|'| nalrir I1-til‘!-‘I-fl‘.l'I11' get prump: I EAT‘i'EFI‘1" TEMPERATURE vi SPEBIFIIC GRAVITYrrredfen-I atre rmrm.

ECIFGGHAVT"|"SP

1:‘ILI'J'| EH“""4-_

-23.?.;_-:.-_,-;_-_r--..._'.-.\ _ ._'“%$mfi$E§fij.I-I---_‘__-E .;___-Ii: --_|:l.::_,1..'l;~ _:;__..__._-;,;»-___H__-I-'1']

ll 21-: ‘*~'-'r:_r,¢-.-T" $31."-':~'=.':;-‘i-:15331111-.,%::~ii=- ' I var "*-1 ' >5";-‘~35 -l 2l;vIi|

1 QED ‘=1’ 7:ti-3:}

I I-1-I1 1 2:?”-u I-'....g-11-:I

4: "~-fi!l- mcfirn zniaul auiaél q;.IiTELECTHDLYTE TEMPEFIATUHE 'C |"'FI

Dates-f Issue: May, ISBD "5-D HUI‘-IDA moron t':i:a.. LTD. 14-3

Page 148: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDAC71]aerrzewtzuaaema svstem -

BATTERY CHAFIGI NG

Flam-ave tha battery t:ali1:at:-5. "Q,‘ I I’ all

ea “T

1',‘_‘_-.-.-

Cgnnggt 1-itu charger ptrlitilre [+1 tlflblfl lit.) lh-llbattery p-ositi've'I+I terminal.Connturt tho charger I1-|:l5!1I'-'= I—I ah]-‘lie I0 IHEbattew negative I-1 terminal.

CHIRFIGING IIUFIYFIEHTE 1.4iT'I\1II1'Ill‘l'liIl'~-

Chargq 111: battery until 5'|JEI,1Il!lI gravity II1.260-1-2en at 2u“+: [El-B“Fi

- B-r_fiw are-T:E§'}.iT at. 'rap from-eoeh eeI'I'.

- Keep _|'Ivma.: and spark: vwuy from o¢'Jta1rgt'rtg.I|orrer_}'.

' 'I"|mv pallwr I‘.'-IN,"U.F'F or l‘-Itr it-Ileqmr. notor eke balmy l'erm|‘mrI.t.

- Hmvntmur chvqihg 1')’ the ekvrrvlyteternpemtmwa exeeedk 45°['|‘.|'I.i':'.F'II.

1950 I991 \ ,

1. 53.3--___-=- "§:i'f;'-__.fiC

Q1.5=’a~;q,“'~;_§1'T"-'_-.-;-,=‘-I3--E

EJ9-'-L-:»_'l=.‘1_"'¢’ Lela

CAQTIDN: _ ' _ _Qu:'c.I:-clterigtog tFtrmr.|'d only be drmr In rm I -*_ -" __ ,»-

I en1i;!;_gE.»:;:*_|.-'_';l1't'v\-ti-|eI1nr.r'g:I_.t.i,§' 1': preferred‘. I

I'M-ter inmililng the battery, coat the tE‘I'I'I'1lI'I-BII» withoiean gra-eea before oon nuoting the battery nublne

FIFIIJI II Hill IELIII

-' n n -. -antmta - “I Q;CAUTION! ' I _| Route the breather lube rn lilrrwrl rm Th;_-better? eaunbri - * 22:12::

- '€TJ

IIIIIIIBIIIB STSTEIII DUTF UT TEST

Winn up 1;I'1|;| eregine 1:|||'It'1r-E 118111115] l‘QidIl'!I§i.

Check charging witam output with n irultrhller Md Ien'n'net=:|r _ _

HDT_E _ _ b| Uqa ;| lolly eltarge-cl batearv to chat-k the 1 I _

J |nhirqlng system -outpuL

TECHNICAL DATA: 'ii!I! E 1»-II_rv:A|M svmcl-I _ orv FUSE E.

LIGHTING swrrol-| ON [Low beami |_| -_ INITIAL CHARGING 1,550 rpm mix._ at 4,000 rpm 119 arnperae min.

" t It u I | u ll 1

urstnr ms amm '|

AT 3.1300 rpm ' 2.3

H"-I

.1 _""“‘I. .

__, _

Ir -1

.1.-I-.I II I

_v""|

r""*-.

-!"""*-. .-

.--.._I

_ vo-its max. ~—._

|I$—

14-4 1'15 Datarof 1|-tub: May. 153311EIHUHDA MUTDFI C0-I LTD.

j-Pi - - —

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1'"

.-""'"

’_.

I‘

{___

I‘-H

{F-H

I-'-=.

r’

r‘ -.

HONnee,3 CHI eattaewcnaeomo svsrem

n.c. statnntnn _STATDFI HEMUVIIL '*.

-l‘-\..C. GENEFIATDH CUUPLEH

H1:rr|-mm the gear 5hYIl pt;-d,-ti. __ | .I:I£t'I'|t'WI': IIII’: |‘2It|'|l'tt 54.'|l'i'.‘I|.‘-II.EI 11t‘l'|E1.

U|a|::onr'-not 1T|E AC. generator oottolerFI|!|'|'|m'|'- lhn |o:_:=nl|t|:1 |'t-::||!1! t-,u‘|'|:r -::|.|ni..1|:| I:|||.1ttil.t.'r ' "PT Tbe-ie oiate and spark advanter Ioaoa 15--1-I.Di:-t:nnr:-F:|:1 |It|: rv:u|r||| |wm:h 'J.|l.'u at the :‘|\'ll|.'Il.

j—-

IELQ!Fler-nova the left t'ar.'-ltcasa cover

/’LEFT CHQNKCASE CDVEFI UFIIVE SPHDCKET COVER

F'lnrn-wt: lite twu =tvto- tent-vv!-_ Wite prGliI:IC1IfII' ilflllnttttu: Ir-:||1'| 1’n|;| I|tf1 ttrnltll.-::nr:e Cover. "'~._~

STATCIFI CUIL CI:-INTINUTT TEST

:-‘IICITE

'1' I5 I151: I1ECIEESEF'||' 11:‘ |'U."I'ICI"l|'|| TI"'I|I lI'I'lr|'-1| HI?‘ Imnbn thin !1::.l._

Cheek |1D|'|IIf1uiIu' between the vellow, white, hlauki'|'|'I'|il:|1 '.|:.;||-I»: and -itator grnunrl vv-1h an rtlttnmittet onthe Fl:-t'I scale. Rear-ace the stator if therrr is rm-mntinuirv.

I (om of Issue" Mav,1ElE!{l 147ianorvu.-=1 moron co. |_"ro. 14 5

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HONDA I, .',5==BATTEH"r'.-‘CHARGING strstem I270 ‘

GENEFIATIDR FIDTDH

' REMOVAL

Use the fl-.-"wheel holeet or ba-nd strep holder andL|Iu|:I=. LII-_r Iiy-wletel tu meuertl lI|e t:turt1tfl'ta1l Humturning

FIe='n ove the geneiatar iotor bolt.

$5

FLVWHEEL ITBDDDD -.U.I:-i.|l"II. ill?‘-lL"r" USE‘ CDI|.1I'v|EHfl|_At_I_"r'AVAILABLE BAND STFIAP WFIEHICH

Flam-we the generator auto-.

HCITUR FULLER DFI .-.,- U.5.A or-1|_\'. HEMDVING BOLT

- INSTALLATION 9°°l535°*3'"‘°—I.

"“‘\

Align the rote! ltaw.-av 1n'l‘III'l the key on the eran'lt- I‘qhqtr pr-.|-I inrtali the gt:-nenalnr rotor

___

' >3 -|,|-911: _‘

GENEHQTUH FIUTDFI —._

1 4-6 “'3 Ltate of Issue: Mei. 1531]'33 HUNDIA MDTCIH CCL, LTD.

j

‘\-

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HDNDB.."" BATEEFIYIGHAHGING SYSTEM\.__/'

_"'-'_|\

Ir‘ T |[_!'\7|:|'| the [|r:rI.t:r5|t|;ir rn-ttir Itnlt

TCIFI E11-IE1 5.5-8.5 ice-m 110-4? it-lbi

Ira F|_‘r"i1i'l-lEE|_ HEILDEFI 0353211-1TQtZlJD CIHIJ.S..¢\. DNLY — CUMMEFICIALLY A1i'AlLAEILE

sratoe INSTALLATION B-“NU STRAP "IRENE"In-trail the stator|"loi|i’r.~ the gnr'er:ttor IF.!-'lGI'i orooorit,-'.

Connect thu I‘IULJI'.-‘III 1'-‘vit|:h loadlretali the iett ci.:iii-tizese c-ova.-, riiive apioeltet oovar

if“ and qE=|‘|I"iI1I‘I‘1 oeclal.Corlhect the gttoerator wire t;r,tu |'lI11l'.

lrtttiil the right i:ti|'|I-c-::I:e cover, rmmegh-“finiliiirt-if:I mid ItIii:_:$€ !l'|J|'I'f!l' pt:'|'I.1I

Flli the crankcase with the reoommentieti oil {page

-llrljtiat the -tr-i ti on tirrii-'i|] ipatte 3-Bi.

r"'~»

F“

F.

r"'

||l"_"~i

Date t:-I |5$u|.-.1 May, IIIHIJ — 1'19 1 4- T

5:'HDI'IDPi. MCITUFI CU , LTD

Page 152: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

BATTE RWGHAHGING SYSTEMHONDAcm

RECTIFIERREMOVALH-=mrI'-"H 1""-E Tight iIE|E cnvm,r':F.‘\'Fl DYE I?‘-.2 recl"rlir'r

INSPECTION

'3'-ack 1|1e |'m::51|e| [u- |_-un|inu||-,- i1ntwm':|'| theterm||'|als. Rewrzrzm 1hr; lrrads and nhgck again,

Cr;-n1i-1|:-W sh:-uld amsr m une |'.|irP_q:1i¢:-11 |1|1l\-F"h:ulu|:u 1’r'-n rnntifler |’r there Is |:=on1|nu-Ly" in 1m1|1dirucllu-":1.

HELTIIIFIEH

1 4-3 15'] Dare of Inue: Mw, 1950E51!-IUNDA MDTDFI ED. ITFJ.

J-I...‘

\.

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1"“

F-

‘|__

F.

_-\., .I

F“

F1.-

F“

r"-

F

Haw“ GYLINDEHIFISTDN

MEMCI

Date of I55-us" Maw, 1580 T51vi: HONDA MOTOR CU, LTD.

Page 154: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

Hannacm ~IGNITION S"f'STEM

nar-||1'|u:umu. ET‘---5_

SFHFIIII PLU

|'—-I-_-

_u-I-.I

_.;.~'=’ T“?-"T

.5",-,.

u,;g_-

-I.

.___--_"]"

_\_—.__-\."-_

_,_-|..| _,_-n.—I- -. J-

_,_-_ __-_|— —'rP ,_

_,_.- ""'-I’

.-‘

.-' | I

|_ I

I\I ?I’_#3

I_1-__..-F.-0-'

"=_Tr:‘-—l—==-—_—L1-'-:I"|-.-1'-

-H"'I'-I. "|L|

~_ __LT;»

‘\-

,, _ _ ____\<1T_____4' R

E--J T-‘I'M | ".-II: -'_

-‘ll-

F--H.1‘"===':. ;»*-*II“l*‘**Q1’'.

J|,—.- ‘I- -—I-J.F."

‘_.- #5 |~:m|110n|

§.,+_\-»-.--,-* I-a_>»----I"-**-“‘».'-5-."-| BATTER? __~

I || r || I I I I |

.' ¢,

|" SWITCH _._-- -¢."~=‘~=—,-.. I -- -\_"\-\.. F.‘_ __ n-':\_ _:--F _ _ __.-

= -I I 1I '|'I' || I L ._-2%_.-;- I.| _. . R I

RF,-_ /__ __:RI: iI.31.; '2'E’" hu."-av

___

r Tux‘

" ' SILICON..n""'/-F

" I‘-l --4.-1- -I J,/"nsc'rsnenI| .'_"\','_,.__IGHlTlCIN" COIL

--. _.| " -

|—\- '

--1;.

ll.

III

.III.G. GEHERIITDH

.__.-*-

.-""’- --'.'l_:,_'— -2:4; '- .' - "IQ. ., - . - I.- I‘. III". .1’, III I E‘-._ I.‘-u In I " I I -I I r-. II‘-I‘ I -II: -_ PC" HTS

5"‘ . ‘w I ‘ii - ' '..;-: _ _ "‘ _=

f _ \I IQ: I , _‘“‘"-— mruumssn.' -* "_ _ _'- ' '_ ‘I .1

- IE . ~ r"\A.-C. GENE H ATDFI

ISPARKPLUG

ENGINE ETD? e"'\|,IGNITION SWITCH SWITCH

. . I

Ci 5

G-“I FIIIIIIEIII

I ; II I Ii.-- $3 e

GDHDENSEFI POINTE-

'l| RECTIFIER

- /E BJITTEFW

-P“-H=__/

I0-‘-it ,"_~

I

..»—|..

USED-I Issue May IQSIIF15-0 ‘H -= . .'1'-‘HONDA MCITCIFI Ell, LTD.

Page 155: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

,-I

fI'“'-.

I'll-F --

K,-I.

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/'HONDA@J can i5.IGNITIIIN SYSTEMSE RV ICE IN FDFIIIIIIII-TI ON

TROUBLESHOOTING

IGNITION CO-I L_I

I5-1 CONTACT BFIEAIIIEFI POINTS 15-3

15-1 SPARK AEIVANOEH 15-4

15-2

SERVICE IIIFIIRIIIIITIIJIIGENERAL INSTRUCTIONFur apari-: plug informatinn, ass pagn 3-5.

TCIHCIUE VALUESpark a-dyaitcei

SPECIFICATIONSEparl: pi ug Standard

GL9 — FR Hg-H1 [II — Q ft-IIJI

[ I I Canada MuI:i‘ul

iU1'S'FSFi-L]

Sp-aria plug papIgniti-pn timing

E‘-on-ciianaar capacityCnrtuci hr:-aic-ar pain: gap

ND Fm unici nlirnptu i:|:Ir,\w EDD H11 FI-

, F5. aitizn-cIarI-I'IEI'I-sip-aiad riI:Iinq-_ UI— _ _ i _':-§§;L_EIQIr]_______ __| NGK For pnhci climate: bi!-lnw EEC I\I1:'FII r;;;';;.1;.;;..;;; rl'a£|H"LI$é;§r]T|Ei1'1}—

LFQOFSu22|=a

iu2uFsH-L1;ua4i=sH-L1

ETHS ICHTHSIcan ~'caa|-rs]can rcaansl

I 0.6 - 0-1 mm 10.024 - u-u2a mi

U211 FE

. P" "'2'. L5.” ETD‘?E.~".¥9.*_%"~" =fl" BT92-2-1v9:.a_m

. I£?i‘N_..__.____i13.3 -- 0.: mm i|:r.lJI2 - 0.016 inl '

TIIIIIIBLESIIIIIITIIIIIEriuinu wank: but will not nan:1. Enginu atnp lwitch OFF1, Nu mark at |:|1u|;|3. Improper igniti-an timingNo lparir. at plug1. Enpina atop s-witth OFFI, Fnirits EH11 ciptltiiig

3. Pu-ints burnu-ci, wet fuuiud u-r riirty-II. Nu primary Eurtbltl lu pr:-inl: and coils

— Lc-uau I:r~' hruirun wlra— Fauity lqnitiun switch

5. Pl-up fr.\ui:|IB. Fa-uity plug wira1‘, Coil yr-aaic or inap-aratiiraB, Faulty nuridunsur

Enflna mm but rum puuriyI. ignition primary circuit

- Faint; rIirt'y qr I~|:|L|I|!\'.I- incnrract point gap— Faulty ignitinn mi!— Faulty mndemar— L|:u:ra=a' pr i:|-arir wire— Irrtarmittenl shnrt circuit

2. Ignitinn n:c0nr.iary l=i'fl:l-Ill— Fmity piim

- Fguily high remiun wire3- improper ignition timingTiming Iflllllflfl incnrrecl1_ Cn|'|1riIugaII|.‘I'.rnru:E1‘ IflLllI"y'

Data 1::-I It-sun; Hay, IIJBUEHDNDH MOTOR CU- LTD.

'5“ 15-1

Page 156: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

.-' '\-.HONDA .-5BATTEHWCHAHGIHG system CTI] .»"

;-"

IIIIIITIIIII IIIIILREMOVAL ‘F tar -.1--i

' I-1‘-_ ' |. _ , |‘T '

I ' aITE-I‘i"|G‘v|'B I?‘-E right an-LI II.-1| ilrln qmyurs.

Firniuim 1!‘-1: I=~attI:'r1.- and 51&|‘IIEl rainy switch.DI-iI;i.1l'iI1lII'3T‘II1E"'|'i|'iIi! I!3LI:1.T'IE"-‘-Hi"-= l|1i= r-flii by rc'rnu+'in[; the atta-rzhrr-g nur‘rum HIT? mrt —.irJ@

_-l----_ -ll?!“ __—4

IGNITION EICIIL p.1T,.\(;H||q-5 NUT

CONTINUITT TEST

C-I'IlH;I"i I'U|' cunr-nuiry as |.I"lu'n'|1.THE DDII I5 good II lI1c'r-cl is -:,:|;'.nti|1|_|ir_'y'_

5E'30NE'»°~H‘I’= 1'-E5--9-35 H3 PRIMARY" 1.35-1.a51:..-—= -t_.» -wt-.--HT - , "T: I

E. 5;; I I' I L'__ J. L I ' _“iE_ - NI

FI R I Continuity H _-; '|__Dfl|] q , y‘FILM.

PERFORMANCE TEST

PE'|'I|I|i'|'|‘| iII‘|e 3-|.1|::-Ir1: sniuiic t-n$1 yr-1'I'| 3 |:i_',iI| tugige-|'_ 'PRIMER? ELEUTFICIDE

SERVICE LIMIT: B mm I1.-'4 II‘II min. |

~.i?=.-11¢ <IT I"'i';\III.I-W the CD-I lmmlr rnr|n||i'51:mr1~.'r"1 |r|51:n_|c-

Iiunt. I

E mm |m.24 my SPAR“

SECONDARY EL ECTFIODE I

1 5- 2 15" Data ':|F isms: May, IEIBICIEl HONDA M-i‘J'l'EI|T t:i1._ LT|'J,

-x

-w

_?__

.-.‘_

Page 157: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

:"' "I

F‘

K-

4"‘

P'H.

F.

F‘

fr.

r'“

%.g) cmBIIIITAIIT BIIEIIIIEII FIIIIITSREMOVAL

IGNITION SMSTEM

illlli, ‘#11::

Hem-oue the zoom‘! I:|E'|-IIIEIF point emu:-rDir.;;nrmer:1 the point win: lead».Flumnun 1I'|n c.or|t_a-ct breaker usslemiliy. If

For CI,‘l"-1|IC[ hre:oI<Ef points impaction, sen page 3-?

NOTE _ i ItI IIIREOIITBIEI-EII-"'1'.lqJ|'lI'||'CIEF\'EOl’1-"1'-I‘?-II"-IF'iI[l5I-'l? '

-e:In.u|1 u-'1§|iflE| CIII ‘ID IT.

CONDENSER CAPACITY TEST

Remoir-a thn rzcurrinnsei 1|o-m the hit-sr plate. ' _Olerrharge the ooneinmer In grouncling itn tlirmirlki I"-—*'_“'-.

. . . -- F._1iH3|I'lE-I I115 (IHl.'iII'|§- '

Ii-F|ea5u|r,| rhn condenser eapalsity with a iehter. TCAPACITY: u.a2-on #F E - 1 _ii -1 in |.IuE oi spuoificqtirsir, iepiaee ihe crmricflher. ‘ 1-I-_ —— ___ __ _

" |t‘_Q|

F 4POINT REPLACEMENT

SFITING SCI-IEW5Fiemoye -:hn prylni setting screws -1n=l bolt.Fiepiacr. the contact p-I:|in[,

NOTE i i FDu not formt 1:; 1|'I!1IHII the bekoiite wwhers Irt; insulflte the |t:IIml.‘IBI15'lIrr"|3E!'I»I!r'B‘[ClI' torrnin-'-‘I'?|'|;|-'rr1 [|-r|;u,_|n|:I.

Install contact breaker assembly in the reverse orderqt rem-ouaiAdjust the 1;In|r|I gap an-|:i ignition =imiI1|;|- K i l

Date of issue: I-Iay, IEIBI3 T55 _ 1 5_ 3.271 HONDA MOTOR CO., LTD.

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HONDAFIIGNITION system I:-III Itifisj -'“.

SPARK tnwrmzenFor alzivancer function nest, sue page 3-9. - ,- _.-Removl the Irontact point cover or|tI' contact hreaI:- Ier aelsrlm-I:|I‘y. . /‘

- rCheck the ipflflg for |'C|Bs or run-slon and aduartcru - .' .-._|Iii" ADI E'HlI'B5-$i~'E' weer if the aciuanser Iaits rr.i ramrn. .Firzplase if I'iE|1'£5s.Itry. - B

- |,1“--.

‘ ""h-.|—

_.-|.|

ADVANCE FI Fl EP LACEM E NT

Hsrrlcm: the holt by hoiding ms satacur.Remove the s|:i'.~'a|1cer.

-'3.

K...

.""!\

.--'-,Irt-stall thu nrivar-met", aligning the llot with II‘||: i /Ffywhuni DIn_ ~ '

Inetaii the s|:Itpl1|.'r onti tighten the Lm-It, .-TOHBI-1E= n.e-1.2 ii-TI1 IT—9 met

-‘.

" t.1‘ '\.

-1.

-|5_4 '5“ Eietaofissua: May.1DBflenemas Mcttnn so, LTD.

--.; er

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.r"'"

.-"F

I.-M.

.|—.

‘Ir.’- '“*~-*” -vi ‘sit “‘°”"TEF'' .5 {C}; SWITCH

ruitrer-w 5"""TF"'fr“ _ ~.___ ___

IF’, B, Faulty sIIIrti:r mflttar

I"-

ff““‘°&‘¥“i§i”" IB..ELECTRI[i STARTER,.___ i

SERVICE INFORMATION

TFIOLIB LESHOOTING

_

ta-1 steinten neuiv 1s_s 'ta-1 stisnten ctutsi-ironiye

1 -sSTARTER moron ts»: CHAIN B

SEIWIIIE IIIFIIIIIIIMIIJIIGENEFIAL INSTRUCTIONThe ;1q|-151 |-|'||'_'|~|;m can he rgrr-ii;;ur-,u;| with tho r:|ngInI! in the items.

SPECIFICATIONS|TEg.1 Standard

I--§1:‘1.".-2| i"l'|D[D‘I' “flush spring tension _ *1-I’-l\I.'I Q I14-I CIII

ii

SurI.i'it:e LimitHOD q I1i].E ozi. .. ..._

Hiusii sengrit 12 mm II].-47 ir-ii T mm I0. I5 l"I_ . .. . — .___._ -1

Strtrt.-ttr i:iu1i:lt rir.ur.-n tor-octtet O.D. 37-900 It .-IE2! -ni 35.75 rnm IT.='i-Iii‘ I1;

ruse ILIAnee-OP"-D-—neo—0"'

IGNITION SWITCHBLACK

F. I :-

|'I'l Tl-” "'7 STARTER_- _L _I_ FIELAY- .. L

.-.5T.n.i=rTEFl MOTDH I_ :- -= YELLDwmED LIOHT GHEEN.~'hED

"~. .r"IIIIIOI‘'‘I

--atIIIIII,, |::Iil-'\'iIOI’

l

5 Z-.

NEUTRAL

TIIIIIIBLESIIIIIITIIIESta-rtnr motor will not turn1. Battery i:i‘.sehsn;|ei:52. Iiiuin lute burned nut-II, Firuity starter relay5. Faulty starter switchH, F:.u.iIly ni:utreI :wlIrLI’t

Ti‘. Loose or etisoonnetrted wire or cable

Surur motor turm arriigirio :I-uiuly1. Low oottary specific gravity2. Excessive re-sistanm -Il'I i:ir|:r.rit3. Binding in stutter motor

Starter moeur uni-is, but eriigii-in doe: not turnI. Faulty starter niutchI, Fllliy strlttet mntnr grutrs

3. Faulty startar I1I"I.EII‘l and sprockets

Starter motor and engine to ms, but engine don not start1. Faulty rgrilli-on system

Date of issue" May, Iiilil-IJ 15? 1 6-1is-Horton MEITUH CD, LTO

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I-'1'-fi._-_. "E?-ix‘,

ELECTRIC stninten [III] P-

STAIITEII BIIITIIIInemoyst

H'.|.|‘!t rfia rgnrnorr switch OFF, reniirre r.Iu- __-ililrrirtitl‘ rt--ipilfilr r-tIi'1i-r .'.|.r r.i'|r frame before.i.e.n'r'r.'1iItg the rrurrer mrirrtr.

FI:rt|'_tii'r:- lItr.' Ir.~.'1 i;ri|n I:|;.35r_i qi;t\.'|_tr,

FIBFI1-D't'E II'IE' hlitrre-| LI|.i.'i.- !.LI"IICI'I.I':'II snap ring_

DI:-w:r:I1r|r:1.'.1 the starter sable at the starter motor.I1ElI‘l'|IZt-'1'! II'iE II'||t'1t'-: st.-|rt|:r m|:|1||| n1t_:iur=!':ng bolts

R‘.1I'l1O'1II the starter I".TO]'I'Jl

5P-MP RING stsnren caste -..,

HEAR COVER ARMATUHE 5H‘iM'5 FRONT BRACKET O-FII?-I-G

“ISHIMS

snusnEPHING

‘Ciii

"*_‘———~s|~isi= HINO

--—-——"-_'_ GEAH

-i~-_sn.irnien

l% a‘\se.itarr~.|e

U-RING BRUSH YDKE O-FIINO set 's1=n|ns

1 6- 2 ‘H Date of Issue: Iriay, IQBEIE'Hi.IINL"J.i"i IIHIIITUFI CO . I T[I|_

If It.-1,.‘

PLANETARY ..,

.-—-,

Page 161: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

1-Ionirrm.KT-§\ ELECTRIC STARTER

BFILISH INSPECTION B1;“_|§_-_,i| Bflr__|5,i.| r.;p|1|r-45

FIE-moi-9 t+|r;i ;.i:.-uiirr motor i:-see screws and ii==:irrovei.In5pi:t:t IIii: 1JIl.i5I'l-E5 and l‘i"ilI-iii-i.iFD II‘IrI I-'lI'I-l‘!I| |l'=""flTh-

SERVICE LIMIT: -it mm I018 in]Iiierr-iuri+ orush sprinit tension with ii ti-irifl-Q BBBIEsenyiitze LIMIT: anu gI‘lII.G ozl

COMMUTATOR INSPECTION

Rf:-tn uyc II to iiir i‘il-BILHIL

FIUTE . .___FI|:i:pri;I tl'iii Ini;i.i1it;iii IIFILI i'ii.Ifi1IJEI OT ihiI'n5.

irispi:-st II'|n- commutator hats for Ol5IIOIOl'i1l-i1li'I.Bars i.l seraiurecl iri pairs inrliriaie grounded arniiirlur:coils.

NOTE _ _ __ _____ ______________________

COMMUTATOR

I Do i1-sit use i.-mary cloth or rant! pair!‘ Ian Eli! _‘IIIIJ|11FI'lLlI‘i'I‘I.I.I'I

CI'|r_st;It ‘I'I1|' i:i1intiriui|y L‘iieL'.r.i'Ei:rI piliri OT i2flf'i'ii'i"iLHi'iOI‘hers, and !oritii.'e-en commutator hurl iiml im-niiiturfitheft-Cerrimutator hat pain: Continuity.it.i-rniir.urii to 1IieI1: No contlnuiw

Date of lseiis: Miiy. IQIECI ‘I 6 3-f.-HONDA MOTOR CO., LTI'.'i.

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ELECTRIC smmen C70 I-».;;.;._.|'

—._.-’

EIHUSH WIRE INSPECTION

CHEER Iu| rur|t|n|_,||1;5r f:'|:|-|'11 1_h|g- |_;1|_1|u h-"1-|||-|3| 1;|;| "LgIJILHII-8'! ‘I’-rITI'I I1IE£II'; W IE Jud l|.11hn momr |:-ass;

RI=|'.I-E-llr the I:lh.ri1"| |.\-I-r|, |I fin; w|rg |g bq-<;|lu|r|_ Q1‘ |f |1 |5she-rte-.1 Tr: ch-P motur :33-59Bahia tamulnml to m-umr can Nu uontlnuhyDhhln turrmnul to brulh Euntlnully

ASSEKIIHLWIIINSTALLATIUN

-'5-swmflu 1'11: starter motorAI||;|n mu LE5-'.-! nulnh with 1hn IJl'lJiI'| h|:|I|:I|2-| pm

Ins:-all ‘II’!-B hear ccwer lIIgn|ng :11 51-or wo:_h the Izlrush

Ins-t.aII the 5..a|te-r mcnur by ruwxrilnq the re-maul

5-

SLUTI

Data of Issue Ma"-,-', IBBIZIEHDI-ID-fi. MOTOR (IE1. LTD.

Page 163: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

F‘

If

3'"-

.r“~-

.-*""

.-'~\

5""

If-I-I

I-'—I'.

lfl

/HONDAGTO ELECTRIC smnren

STARTER REI.l’fI N SP ECT I U N

U-:=:;:-r|::;-z I"1I! 5!.'.|rI|:*. nu'|'1r_'I| !h.|'IuI'- WIIII III-e: igm |c:-I1ON.The OUII I5 II-.mn;1I I‘ we >L.=|1e- Id-lay‘ m'IIr:2Ir_I|v.Iu

I-7D|'I"-'.'.'I2II LIII uII|1'|lnE|r:' Iu [||.": |I||r:|:| rcII;w r'n.|1'r’hI'.':dL1lc- Inrn1-n;|l~..

'€1|:|n|1=-ct i Ei'-4' Dfll'.IE-‘I -,-' r.u 1|-Ir; Ilflllfflh win‘: Ir;-.1111-;.TH: :.-'|.'\'I||:I1 I’. |1r:-'rn.:I II II1n||:|'I l1lIlI1|'IfllJI1l|'.

STIIIIITER [:LI.|TBI'|f'I]RI‘l'E EIIHIIIHEMDUALFfnmuulr Ih-Q AL. Qarml at-Jr rntur I5-artiun I41.FIIE-'1'1I:m:- The star:-an I:-hmu g|.,|-|.Ir: =r|c:I pm-|:=4:Iu|.FI.n-'r|-'.1\1I.- IIII: :|;:-r|:r|::II.r:1 5-1:11-n-;| |'|Ia11||.

Flumuue the 5|‘!-EIIII ri-'1-;|.FIErI"|u\'é IIII: 11B|Ir.'I |:hni|| .1|1rl :|'Ir|I|:I€1:1s..

SIAFIIEFII H.-|:LA"r"

4!_'\..

SNAP HING CI-IAIN GUIDE

PTIUTEL-TDFI SEWING PL ATE

Daze or Ir.:ue: May, IQEIII$1 HUI‘-IDA HIUTDP Gil, LTD.

Page 164: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

.-iHomnnf IELECTRIC srnnten CHI

I" '-.- .._E“/*1’

STA RTE FI C LIJTC H D I SASSEM I3 LY

HEN-‘lEl'JB ‘II’?! TI"lI'£E' S-EI'E"|'l"5.

PIl£'|'l'I=l'I'I|'-EI thn zlartur ~3I||tI;r: r.Iu'I9r.

Harncwa 1ha ralle-rs, nlungers a|1|:I sprm-gt.

STAFITEFI CLUTCH INSPECTION

II1:-|:IIJr:'.' 1I'Ii I|:|II=Iri fur imuuth u-perivnn.CIIECII III: rt!-III.-r': Itlr I::\Ir;r::::Iva wunr,

Impact the drive and cirsuen spruckuti and chain fur#Il:ljI$$II|lfl ‘||'I|'IIfl|' lflr HKHIF.

I|1~:a:|LIn: the unue -sp-rI:Ir:|-=.et U.IJ'.SERVICE LIMIT: 35.71-mm I1.1HI?InI

jg. -|--—-

STAHTEH CLUTCH ASSEMBLY

lnrtall thi rtartur r:JutI::h uutrr.

NQITEEta!-H: the arid 01 nnlrh 11:-rmv against IhngruuvnIn thr clutch -:I-u'tl:\_r.__

Irtstpll thu BDFIFIIIIB. |:|lurI-|1u-rs and ruIIur:-I

INSTIALLATIUN

Rawrn mu rumcwal |:|rn|;~!:r.1|.I|'\:.

{S-6 — — 152 D-.1n_-u'I Iisue-: Ma-,1, I981]-DHCINDA MOTOR CCL, LT I1-

dfl

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.—’-.I.

.I—I\._

In

.-"""I‘I

.-*1-.,_

-_.-.,_

r'1

Page 165: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

F.

f

_J"

.p-

1"“

1”‘

.="'“'-

r'““

r"~-.

{HONDAoi,» cm IISWITCHES1?—‘I HANDLEHAFI SWITCHEE 11-3

17-2 IGNITION SWITCH 1?--'-I

1 Tr‘ - 2

SERVICE INFORMATION

BRAKE SWITCHES

NEUTRAL SWITCH

SERVICE IIIFIIRIIIITIIIIIGENE HAL INSTRUCTIONS- Sq|Tru wimi I'I.l|.'t* dliforent colorant IJIII1EI!- around them near the o-onn-uctnr Tings: wit no-rirletlfld ID G-II1E-I '-'-Iirflb wI'Iit-‘I'I

oorresn-ond with thn Ia-and uoinr.' All |'.III:'|:II|t pIog1 I‘IB\'B Iooitiiig tabs that must be rolauiod bcfuru tllsconnflclirlg. IHII ml-ll! DH -iIll5II1I!"J'~\'I'IEfl I'B'I1-'I'I'll'IIE’tFl'lD-- Thu fnllu-wing |;:;\II;|r curt“ qru un:I.I 1'IIruI.IgI"|uut 1I'|ii n!1:t|I:|I1 and IZIII the Wirifig dimrnm IHIIBIIIJI1 IBI.

B — Blue G — Gwen LG — LIgl1tGr1HIn ‘W — WhiteBi; - a|q-=I= Gr - G-Iv D — flmnun ‘r - ‘I’-lI'Im'rHr - Brown LB — l_nfl'|IBluI H — Hnl

- To IECIIBIB an Elgctriual fa|Iurn_ ch;-ca 1h: wntirioity o-I the electrical oath throuqh thn part. A oontim-|i11|-' check uurlu|unII'|-' be mad! wi'J'It|ut removing Lhu pan from the mowrcvclu. Simply dim!-linen the wire»! and connect B wnfiflvlwtIfi.1ji|! cur 'ItI|IIi-I;lI'iI‘l\I'I'I.1!I,I:|' In |I‘I! tE'1'I'flIfli_I! CIT III'DI‘lI'IB|IIII:I2II'Ii

~ A ngntinu-tlf I-i;51'ur i5 usniul |.\'h:r| izhmzking Lu find out whether orr not thorn is an uluotrical crmneclifiri I-IE!‘-':HEfl W-"IIpoints. Au ohmmatar is l1BBI2IB‘III to munsuria the roiistermu of II circuit, Ii: when ‘mute ‘rs a specific mil resiutlnui iI'I'1\=II'-‘HI.nr Ir-|!|.|:n |1hE|,.1I|'-1] for high ronlataiiira I!n.|lBI.I by corroded connections-

Dato of Issue-' May _ I ‘___ —_ _ I63-soiior-ion MUTIZIFI I::o., LTD 1 7'1

Page 166: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

.-'“ '--.HONDA. ifC70SWITCHES

BIIIIKE SWITCHESFRONT BRAKE SWITCH

FRONT BRAKE SWITCH E‘|i""r' LEAD

FI=_-ni-owe the I1-satlli-ght.I.II5I;Q|1fli_tI;‘Ij l'I‘|c Ct,-‘Y _1||tI Bit iieatti oi me front braketwitch.Clmizk fur i:uniIno.|-,- with mi: imnt brake app-Iiacl.Eraka applied: ContinuityBash not amaliciii: No continuityI'Ic|:ilai:c II‘!-E switm I1 -Wee-aasarv.

1-_ wBI: I.E-"IO

REAR BRAKE SWITCHBRAKE SWITCHFem-we rh»: r-gm sicia cover.

Disconnect LI'H.l G.-"F oI||'.I Bk Ic|.i.|d1 [If 1h»; Igai hrukgwiritch.'3I'lE~E|I1'flr riflntinuitv with the ioar built: uppiiq-i;i,Brain lppliad: ContinuityBrlitl not opp-Iinlt No corrtinuitlfRflfllucc thc =iw'i1ch ii ricccssarah E3?

Bl LEAD G.""|" LEAD

NEIITRAL SWITCHIIEIITIIIIL SIUITIIIIFI:I1‘i|::Ni: thc IEII Li|:Ii: l:_:11u:|' ;|r|-|:I angina 5p|'g[.Ii:g1_co‘-rot.Ilhirck it‘-rr swilch tnr coctintiitv hctwccn the switchturm‘-nol Iw-re romou-ed} and gr-oun-ii -mih I_hcI1l.EiI1SI‘i‘|-iiinn In rii:|.irrr|I qrirl with thn h'3n5411i55-I011 ||1any goat.Ih I'lIl!IuI‘IHI|I CwrlfimityIn gait! Nu uominultlg

Rec-i=v=:i= lI1r' l"'tllII.I'UI wirI1':I'l if necessary.

_-.1,-"'F

1 7-2 ‘H’ Don: oi Imm: May, IEISIIIE.-HIJNEIPI MOTOR ISO" LTD.

.- '-

.- -._

_,_\_l

,‘ ".

P».

‘HE

‘H.

'-.

Page 167: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

{I'-'\

Ji-"It

_i-.

Ii-"'-

r

K“

|"""'.

Flu

F.

F.

,-t.

/"T HONDAK _=_j GTII SWITCHES

HIIIIIILEBIIII SWITCHESThe |1flI‘||_'II|II1I1' -::Ii|:.t|=-I i'.|'|':tt!"|G'5 *II'l3"I‘-- EUI" 5IEII'l=I'-II"|:irI|, enigino atop, lt=1'1cII' I1!-1-I!-I I36‘ I"¢I‘tI-=¢'"I 35 3"os-'ic'11hl',r-I3."-r |||_||t-,- 1ni;:~. I-:1: ihe co-rri-|:|nr-itnlrl f-II theI-|.:n:in.-Imr cios:-or switchon i1=IIoW'

I:Il.'1"|lll‘il! tho hm|r:IIi5h1-t',Qmin||-ty shot;-Ir] e:-mt hntwi-c|'I TIRE CHIC" ¢'=I'-Ifl!ynryg gin i!:|i:?'i |.th.B|'I.

HEADLIGHT HI-LOW SWITCH

HI; Bu: ‘I’|".i'I|DDLE INI1 Ii"toBtn‘I"|'L-D: "I" toI|‘|'

TURN SIGNAL SWITCH

LE FT: O to GI‘QFF: No continuityFIIGI-IT: LB to Gr

HORN BUTTON

LG tn I3 with button dlprnnd.‘No continuity with button r1iIhlld-

H EADL IGH1 H I -LO SWITCH

TURN SIGNAL SWITCH HDFIN BUTTON

I-loadiighl Hi- Loni Switch

I_— __Hl I |::| Ln-

IL" . -|l;qlurootI-a

IHI ' E.»-——C:CJi-—-CII~ -—-C5

p.l,§'__ti -1-"I1 ' W

Turn Signal S‘n'Itl=Il

-I IR W ..L__'dF'i'= _ _ __

LEFT | _ _-_t- _--I

RIGHT E3“ "-ii-1'

_ Co-Ior coda

Hum Bi-mun

LB GI‘ 0 _

I iii E iNI’

. . 1-

Ti Color Codi I LG C

. \._ I‘- e-

I‘-I

Date o-I Issue: May, I950QIHUNUA "-IICITDH 130., LTD.

‘IE5 1 7-3

Page 168: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

SWITCHESHONDA

I‘-.%»,xI-_ _—I_

STARTER BUTTON EN

‘FIR to LGIFI with button denrnstcd.No continuity with button released.

Starter Hutton

FiI"e'*‘ I T ..'—.-05-‘ = Qi-Ccint @955 wn u:I.Fi=i Y

ENGINE STOP SWITCH

RUN: No co-ntinuity

-F

NE ET-BF swircii

CIFF; Bit.'\'i' to STARTER BUTTEIN -.Engine Stop Switch

o|=F _— IfT.Ii-I-—:i:1'— _nuiiii — 'tin" .-.___?~

Ifioiorcocie N BItNt' I G

IIIIIITIIIII SIIIITBIIFIltl1"I.Il.lE tlic II'I.1I'llt1|'.>'-‘E1’ E-"II'.I |.IiIi£i:|r||i|!c| Ihn r:|1|i|"|lci

Chock thc I:onti-'=|.i.|-,-' oi ii.-rmin.-ii-i ir-. 1‘I‘IFr iflrlitinn5'.f|'II'|‘:I"| '-tiiI|: |:.it|||_1|r_ir

I OFF: HIti'\|'|IIJi:i-GON: Bltto-R

‘___ st anti to _grr i'19. Q -~

_E2oIot ondn' B-It H. Bttfllt Q

Rcplece Ii"'|B switch Ii itc-::|='t5;|ry

_.-It.. , .2

IG NITICI N SW ITC H

COUPLER

1 7-4 we Onto r.-I italic: May. ISBEI-D HONDA MUT-EIFI C11. LTD.

_.iI-I-I..

-\_

""“\

____

_,_

Page 169: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

_,-r I-.

|"rI_I-‘L

—._-

Ir"-

if-.

I-"'"

.-.I’

IF

I.-.

_/F“

IF

IBIRIJUBLESHIIIITINEENGINE '|'iIlLL NOT START ORIS HARD TO START

ENGINE LACICS POWER

POOR PERFORMANCE AT IDLEAND LOW SPEED

POOR HIGH SPEEDPERFORMANCE

SMOKING EXHAUST

FAULTY CLUTCH

Date of Issue: May, IHSIII IE? 1 8 1HONDAMOTOR CO.. LTO.

13-2

1B—3

‘IB--4

I3-Ii

13-5

'I3—S

DIFFICULT SHIFTIN-G

ENGINE NOISE

MOTORCYCLE POLLS TOONE SIDE

FAULTY FRONT Si REARSHOCK AEISORBEFIS

FAULTY BRAKE

ELONGATED DRIVE CHAIN

1 B-5

1 B-5

13-?

18-?

IEI—i'

‘IS-T

Page 170: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

r"' =-itnoueteseoorrnro CTR --,

EIIGIIIE I'Ill.I. IIIIT STIIIIT III! IS IIIIIIII Tl] START

I.

1'.

Ci.

-II.

S.

S.

CI‘IE|'.‘h. If Iu|:I rtt3[,I'|1J5tattmmtqr

F IJE L H EACHESCAR BU R I-TTOR

I‘Remove toerlt t:-lug Gr tentnerlt

GOOD SPARK

I‘Tcet cyi Inder- comore-“inn

TORMAL CO III P R ESSION

1'Start elnqi rte

ENGINE STARTSI

‘I’Remove ioerlt plug

DRY PLUG

5Hi'l engine with ettoiteclototl

FUEL DOES NOT REACH A-pCARBURETOR

WEAK OR NO SPARK in

LOW COI-IPRESSION—-i—-e-

ENGINE Fines, trot??-ooes r-rot st.-ant

WET FLUGHA ——b

PCISSIB LE CAU SE

Err'i|:Ity' ‘Iufll tankClogged htel line ICIE-t'M=:ttt1 fuel tank 5;.carhu reto-rClogged htul yelynClogged Iuel tenit oep breeriinr hniri

Faulty ot fouled plugFouled, burnt nr pitted cttntoetbrceitor It-ointtII‘|i';'t'Jri‘t!-t'.'I. hruflkqr putnt gapFaulty condenser

-'-t

Brolterl or thnttecl hiqh tent-ton wire '-“tOpen or ehorteo ignition coilFaulty iQtiItIIJl'l st-yi1:i;hIrlcormct ionition timing

Er-nine our tzrm-itienlNu unlyc clearance"-I"-alirc rtucit openWorn cylinder St oieton I"i|1g5_Blown cylinder hr.-.er:I gleitetFlaw Irl -t:ylinr.Iirr he-ed‘Incorrect yeltre timing

Choke irelrie openCt_ltI.'Iun!l.ttr pilot egmw QipenAir ieeiirro t'I\rou|;h- It‘ttaItti tht|'nIfr,'.iI|:i'Incorrect Ignition ti mitrig

Fiooiclecl corboretorCerhrtrrrttr-r choke excessivelyclosedThtottl! ‘relive crceetiireiy open

1 B-2 In Crete of Imtez Iiiiey; IEISII'13- HONDA Mfi-TOR tICI., LTIII.

m

.-'"--I

.'-""‘\.

-"~.

""\

I-I_I-L

Page 171: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

l;""" .

‘.-"

|,..-.

|.i"""\.

1""

I-"_"~

K-P.-.

F

(W.

F“

[I THDUBLESHDDTING

EIIEIIIE LMIIIS Pl]'IIElI

1_ Halter '.ryI'tr:¢,rI5 r.rH gt|.rur'ir.I Hspin

WHEELS SPIN FREEL"i"

2, Check tire pressure

TORMAL PRESSURE

3, Rapidly accelerate fromlow no tr:-con-rl

ACi.'!EI.EFIATES

Iit, Rev up gr-eduelly

ENGINE SPEEDINCREASES

5 Chuck ignition timing

CORRECT TIMING

E, Chectt yeiye clearance

CORRECT VALVECLEARANCE

‘I’T‘. Test cylinder compression

no RIIIAL cow-neserortI

B, Ohecit carburetor forclogging

CA RSIJ R ETO R NOTTLOGG ED

5, Fierrrrwe sperrtr. plug

PLLIG HUT FDULEDTin III-ISCOLOHED

POSSIB LE CAUSE

WHEELS DO NOT SPIN __ __e- II]FREELY III

I3I

INCORRECT TIRE F'RESSLIREi'- [IIIIII

DOES NOT ACCELERATE WITH -—e- IIIENGINE SPEED RAISED IEI

ENGINE FEED DOES NOTA1-IIIINCREASE IE]

rztiI-tiIBI

INDIIJFIFIECT tir.t:rioA- IIIrti

INCORRECT VALVEO IIICLEARANCE III’

LOSS OF COMFRESSIONih I‘-IIIIII5]I-ti

C-ARBURETOR -CLOGGED

PLUG FOULEO DHorscotoneo III

Dragging his-rlrrFaulty wh-eel bearingOsertightened drive chain

Puncturecl tireFaulty tire velvrr

$II|:’!|pi.i'ifi If!IuII'l-Worn or unrvcn -|‘.Iut1IIi Iltclritih

Carburetor dhoite closedCfiogeecl air ulcan-itCiogge-ti Iuel lineClogged fuel l.|nIt up breather holeClogqetl muffler

Incorrect ignition timingIgnition malfunction

Incorrect yelye cleerenoeWorn value mt

\.r"e-Iue ttuclt openWorn cylinder Si piston ringsBtown cylinder heed oritlrerlncdsrect yelye timing

C-erburenor iets cloqgetl

F poled plugIncorrect hcet rirnglt Dll-L9

Date of ltsuc: May, IEHIII 169. -1 B-3-El HONDA MOTOR CO., LTD.

-

Page 172: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

TROUBLESHOOTING

.-Pi

I‘ ‘I-

1-t:r:;E%t:us.

Chncir oil layrrl and condition

ODRFIECT ENGINE OILLEVEL

Remove cylrnder heed coverand ctr-scit ItJI:rrit*.etit;in

SLIFFICIENTLK‘LLIBFIICATED

Check If engine oyerheen.

ENGINE DOES NOTTUE R H EAT

Rapidly ictnrlerate or run erhich speeds

ENGINE OOES NOTKNOCK-

Checlt Ignition timing Sryeiye clearance

CORRECT TIMING ACLEARANCE

Check. carburetor oiiorscrew srI;l,iI-rttnltnt

CORHECTLT ADJUSTED

ICheci-t for err leeks

ND AIR r_Erti<5

IRemoye resent plug Errut spark

GOOD EPAFIFI

OIL DIFIT"r' on LEVEL-— A inincorrnecr is]

INSUFFICIENTLY _ E... 11]LUBHICATED ni

i3I

ENGINE oyeenerne --A InIIIIrelill

encrne r:nocrts——-_- IIIIEII3]I-tii"5i

rncorrnecr TIMING eA iiictennnnce i.'.ti

rnooenectur no.ius"reo —- inrzi

me tear-zei in Inctriaito

wane on irrrennrrren-ri..r1iWARN [El

[SII-II

Lenrel too low or highCo-nur|'nineter'i t:|iI

Cboygnd oil has-sagePoor nil pump deiiveryLow oil preeeure

E1-rtcsrsivit carbon in combustionchamberlnooi-rec-I I'LrcISfrppino clutcinMntrure too Ietrrr

Worn psston or cylinderMixture too ieqnIncorrect IUIIExcessive certr-on in combustionchamberAdvanced ignition timing

FIIIIII FEIIRIIIIIAIIEE AT lIl.E AIIII LIIII SPEED ..E.._;,.-ME CAUSEIncorrect rirning l:IjiIi;trn¢'tt1In-correct uelye claerenoe

Mixture too IuenMitrrtee ton rich

Faulty iarburltor QrrtltfilCarburetor not securely tightenedF.-rulry Intelrc pipe qrninnDeterio-rated D-ring

Faulty or fouled plugFouled, rough. or pitted breakerpoint sl-IrftlclCondenser shortedFaulty ignition coil

18-4 In D-stool ltauu: l'Ir1ay,TSE9[lQOHONOA MOTOR LTD.

1‘it

rq_|

.--s,_

"E

-"d"\.\l

—-._It

Page 173: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

F“

FE.

I.’-I’-‘m

F-

r""‘“

K“

1"‘-.

F.

F,-.

I-'1-.

l"""

1-Iowan.cm THUUB LESHDDTING

Fllllll HIGH SPEED FEIIFIIIIIIIAIIBE ’°55‘ELE “"55INCDHHEUF TIMING 31-i 1- lllCLEARANCE lIl'

'l_ [Ih||1;l-Q ignific-n timing B1valw cluarancl

CDHHEET TIMING E'1ILEAFl ANCE

1 Dlsuonmct lunr ti-ltlr atcarhuratnr and check Forcrng-gmg l3l

FIEETHIETED FUEL FLD'l'|I'—— a- illl2l

UNRESTRICTED FUELFLOW

i3, Chuck; fi.p:l‘li|tu1'_fl|nl h'alIm_ CLUGEED l1]

E: narburamr jet For cluqplnq ll]I3]

NUT CLDGGED

T4 Huplmu |:arl;.|L|r!t|:|: mnin |u1 CDNDITIDN AGGHA'u'ATEDiI- [ll

[El

{EDNDITIDN IMPROVED

E, Chuck v4|lu&1imin-g l-NC-U-HHECTii‘ lill

CORRECT

lB, Chggk vulva §|:|-n|1g*[5|'15i|;|-n WORN DH‘ BHDKEN SPRING-it ill

SFHING TENSIONCORRECT

Slillillllllfi EXHAUST‘i Hun m0|::'rll'.'y'lI:lE a In-nq BLACK Ski-Gil-E EMITTEUiv ‘ill

distzmm at hlqli weed lil'l3llil

THIN EIl(l"lA|-..l5T EMITTED l5]

2. Flururn thruflle grlpl qul-cklv WHlT'E SNIUKE EHI‘l'TElIli1I- lll[2]

ND WHITE BJDKEEMITTED

T3. Hun motoruvulu a lung WHITE SHI-DICE EMlT'l'ED-l—I- I1?

rll-;1nn|:=e ul lnw spa-ad ll-ill131

uncumnen EXHAUST

Inna-rract timin-3 II‘-ll!-lFII’I'1ET1llr‘||‘:lj:|l'fE'£I value claaranca

Emmy luai tankClqggfltl furl 'rul1a-ljluggmgl furl 1..-mt cm braallier l’lDlE'

Clqggfid jelClogged fuul Ii-ltflrCiclgg-ed lual ualw

J91 sizu ‘IIDCI smallll mncllricm ll‘I'I|JfrJ\FBl2l with small lIt!all Cluggud air clluflflrbl Chn-he nut opened fully

incorrect ualw timing idil-I$tl'I'1Efl1

Faulty value snrlnn

PDESIB LE CAUSE

\|i'n|'r| |:','|i|1l',l:r Bl piflflh ring:-Dil lavll ton highPi;-run. ring: lncn-rm-:t.l\-' installudFault-¢ raimn cw cl»-llnderFlam in cylinder hnad

‘Worn lntal:-n ualvn lrulrln nr himDeusriurared vulva guide D-ring

Wum exhaust valve gnlidu S: rtufflE;+m|.|-51 v5l'n: guide lnen-rractllf aaatudWorn exhaust valw strrri I-Bil

Data of ls:-ms: MW, 1530 In'3-HDNDA MDTUH CD- LTD.

1B-5

Page 174: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

"rnuuetesuoetme C70Hanna. _

z-",1|illllT'f BLUTIIII

PU5-SIB LE CAUSE

T. Preperlv ecllusr clutch CLUTCH 5|_|PPmt3 —i -lg. 11; wqik ggumh -§pf|n.n{Ell Wr.'|H‘| ur ill!-tnrted clutch plate gr

BlFlilBl.I.T Si'llF'i'lliE

Eliiiilii IIUISE

frlctitrn dist:

PUSSIH L E CEUSE

DIFFICULT sH|rr|r1ei- inillE3}

Hi[5]

FED-M. NUT |iiETUHHEDiI- [I]TD NEUTRAL ii]

GEARS .ll..Ilr.IlPlNG GUT OF -in H!POSITION iii

Bremen geqr ehilr qrrtl 5|!lr|n||'Hrrritltn shift furl:5luqgirri1 movement of ehiit drum EforkBruit-tm shifting gear rlrcltrutiunShift arm pawl tli.u:=ennet.1ed ir4:|fl'|shift drum

Br-niten shift return fltlflflgEhiil Bhrit lrrtlrfurrinq with tare tr-rcmiur

Bent shifting near or we-rn $i1r-H lurkBrfl-lr-H‘ ur weirir-entrl shift rlrurrrstopper spnnu.

PCi35l B L E CA USE

VALVE Hfilfiifi inHi

PISTON -SLAP

[Bi

CAM CHAIN r~|u:sE?—-_- rrlI21[3]

CLUTCH cunrrieiiw 111

12]

NDIST D-FH\I'E 5 DHiVEH-er HiGEARS

ii-?l

Eartseslv-rl valve clearanceWarn valve

Worn nrunn He cvl-rrtlerErtcleilvr CBFl'lD11 in nnmhurrienchamberWorn piston pin 81-rrtmneetinq re-clsmell end

Worn eemehelt hearingWurn camshaft spmuitat teethExeeselveiv elongated drive chain

Excessive clearance between clutchpine Er r:l|.rt|:h uuterWlaltnnntl -clutch damp-er eprin-ii

Wtrtn or deteriorated tlriuen geardeflq:-erWflrfl gear teem

13-6 11$! Date ul iuu-e." Mae, 195111'§?HUND-5. MEITDH CD, LTD.

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I lgeeuflmnaF‘ ETI] TROUBLESHOOTING

F l|lIIT0lIII'IBLE PIILLS Ti] IIIIE SIIIIE

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DIFFICULT STEEHIHG uni» iiieutn DIRECTIONS

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MOTORCYCLE FULLSE» IIITO ONE SIDE

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FOESIH LE CAUSE

SOFT FIlDE—i m“ IIIIii

|-met: FHIJECir lriIII

NOISE IN SHOCK ABSOFIEEHE ill[El

Weak !|Ill'lT‘|fl5Excessive lead

Feultv ire-fll fflrltFgultv rear sfhntllr iIIJ"llIlfI-IE!

Faulrv stopper ruh-herFaulty rqir |I'|l,1riCI=! lib!-DTIJIFF

PCIISSIB LE CAU SE

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INEFFECTIVE BFIAKE Er IIIiiiI3lHIIEI

'|'l|l|}|'n brgl-tn lining, brelte shoe cumqr in-rate tzem

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POSSIBLE CAUSE

iiiIIII3!

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Date nf issue: l‘|-ltlv, I-HBO "3 _E:-HONDA MOTOR CCL, LTD. 7

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Page 177: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

2D. ‘B2 ADDENDUM.""‘-

INTRODUCTION

TI'I|s aII1;IencI1.Irn CO'I'II..E.lIl'lS rnfurmauun Iur IIIH ‘IHB2___ _ CTIII. Raf-er tr: the base shop manual for sewice

infurr11aliI.III nu-I. included In this addendum,

ALL INFORMATION, ILLUSTRATIONS, |J|I=IEc.---~ TIONS ANIJ SPECIFICATIONB INCLUDED IN Tl-IIB

PUBLICATION ARE BASEDON THE LATEST PRODUCT INFORMATION AMIAILABLE AT TI-IE TIME OFAFPFI-IIIIIAI. Fun PRINTING. HONDA MOTOR £10..LTD. RESERVES THE RIGHT TO MAKE CHANGES

-""_' AT ANY TIME WITHOUT NOTICE AND WITHOUTINCURRING ANT OBLIGATION WHATEVER.

NO PART OF THIS PUBLICATION MAY B-E FIE-|F‘ROOUOED WITHOUT WRITTEN

HONDA MOTOR 60., LTD.Surwricl PuI:IIiu'I:In-I1: Office

.---.

CONTENTS

I. GENERAL INFORMATION . . . . . . . . . . . 20-2

7. LUBRICATION . . . . . . . . . . . . . . . . . . . . 20-5

3. INSPECTION AND ADJUETHENT . . . . . EU-5

lI.FUEL5“I'STEM...-...... . . . . . . . . . H20-R

5. CYLINDER HEADNALVE . . . . . . . . . . 2041

Ii. CLUTCH . . . . . . . . . . . . . . . . . . . . . . . . . 2!]-‘I2

T. TRANSMISSION . . . . . . . . . . . . . . . . . . 2!]-‘I4

R. CAM CHAIN TENSIONEFI . . . . . . . . . . . 2!}-14

R. FRONT WHEELI'5IJSPEN$lON . . . . . . . 2!]-1?

‘I'D. HEAR WHEELISIJSPENSION . . . . . . . . 20-1?

‘I1. BATTERTICHARGING STSTEM . . . . . EU-TB

‘I2. IGNITION SYSTEM . . . . _ . . _ . . . . . . . . 2!]-22

‘I3. ELECTRIC STAFITEFI . . . . . . . . . . . . . . QC-EB

14. TECHNICAL FEATU RES . . . . . . . . . . . 2U-ET

,-._ I5. TROUBLESHOOTING . . . . . . . . . . . . . . 2U-23

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‘I6. WIRING DIAGRAM . . . . . . . . . . . . . . .. 21]-3T

Dane bf |;;u=: Nu-.-__19a1 "'9 2o_-I‘ii-I-IONDA MOTOR CO-,LTO.

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'82 ADDENO UM

I. IIEIIEIIIII. IIIFDRIATIIIIISFEBIFIBITIIIIIS

HONDA -ETD

ITEM

DIMENSIONS OIIBFBII IBfl§'ICI'IDvérull '|IIl'II.'I‘l!I'IOuirall heightMinrrnurn qrI:IunI;I tlgu-rant:

_ EII_v wa_§qht

Lfiflfl mm I719 inIBflilmm (26.0 InI

1,010 mrn (39.8 InI150mm I{5.5in1E2kgIIBfl.IIII:I-I

FRAME Fmnt 1I.I1pIImiI:|rI, tnlvnlRear u.|apem.IuI1, trnuelCaster angleTI'dIII

Bntlum link BB mm [23 InISwingiarm 51 mm IE'.:I- InIE3°3|II_'1-'5 rnrn I195 InI

M-an-:|munI torqueOH qplnhrIntiIc| valve

ENGINE

O-pa-InCline:ODBWIChases

E III‘!-nu IT vulva

Englma welght

I16 kg-m I-II.3\I ‘II-Il:].I'E,EIII1 rprnIJ.-E Iltun IIILB5 U5 III. 0.71 Imp I:|t‘r after disasawmbly

'I'.I5° ETDCI15" ABDE:22.5“ BBDC2.5" ATDC

20 I-cu [=1-4.1 IIIII

lt‘I.U5mmIiIt

CAFI BU R ETION Curt. |I:I-unLiI|I:.atInn nunmer PEIEA

ELECTRICAL I|;|1iI»I:|nF uI| IldulnipflI3a|1urau:|rEIITIIT cauanitvSpud: plug

StandardFm‘ mid CIIITIIII III-‘IDW 5°C [l‘I°FIFor extendud hlgh speed r1I:Iin:g

CDI23.5“ BTDC ut 3.100 rpmFI~,m.~I-I:-¢I A.C. gBr|EI‘l‘I-Ur EIIWIEIIDIJ rpmIEV-EAH

u22I=sI=I:-u INIIII. cams INGKIuzursn-u II‘-IDI. cnaus INGKIuznrsn-u INDI. =:HI='IHs INGKI

LIGHTS Headlight [high.I'|-aw beam]Turn slqmlSIJBBEIOIWBTBTNI:u1rIII IndicrrurTurn slqnal IndrnamrHigh bum IIICIEDIIIUF

1'5|'?1'EW3332 ED

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SAE No. 1585-PIE Nu. I53

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Page 179: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

I-Hf

HONDA% CT II 112 ADDENDUM

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TDIIIIIIE IIALIIESENGINE

Turque

ft-IIJ,_

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I"-II‘ , Engine hunger I:-allHear ixle 5IEE‘|‘fl r1U'IRear brake tn-r1:|ue IInI\IRee: .II1I:II::II ebs1:IrI:I-erSwlngerm ni-m1. hr:-I'£Fmnt epspeneran pw I:It hullFrcmt |I'II:II:Ic absorber upper IJCIII R

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TD as-3.55 2-0-15 Ie en-2.5 '

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'l|"iI|'IIrII Id'|II!I‘LBI* D'I'HIIB-GB-I‘I»@CO I_ ‘H Flutgr puligr IIIII'5-II-3"‘-ZIIIIIIIIII 1 I

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Page 180: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

‘B2 ADDE NDLIM

BIBLE MID IIIIIIIESS IIDIITIIID

.33 -

'\\\ FRONT eenrce CABLE /

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— 15!; CHEIKECABLE

I-I I

THROTTLE CABLE

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I I .. InNI III ‘~ 1 I JII1 .~., IIIAIH HARNESSII‘ '. _\,-._

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pl rfm-m ‘ht p|qE-1:g|gE 1|'-,I5pE¢TIflfl In I11; IJIII-he-I'=_I'IIIenueI at e-euh ir;l1I':-dule-d Irteé-ntenancr: partied-I; |,|-Igzpflclf and Gleam. II'IId[II|II1., Luhriurtn 0-1 Renlee-e If neea-Ir-0rrI'.

f;l§'1fll.'}

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AdjuflLu hrleete

ITEM

:H Eu“ EHCY

FIRST :§ EVE H Y

'|'IlHICHE'II"ER ODOMETER READING II‘-IOTE EllCOMES

In...5“Q90"5iq;b:I

">1;In? ' .3;-I /§,__, .-' Hflhr I“"'l'.__!' M‘: Jr D

__ ' FUEL LINES

5'1-IE

3-3

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EM " THROTTLE OPERATION I; .|

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n I-I 5:0

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CL Y1___;§0 rni 12.000 kn-II T

Ia‘ ' R R -.2013N '. var. E r.:-I_E_fi_§I~T_.‘.'_]E ” _! I _ I ________ ?_ I 10-B_ v A.. ENGINE OILSSO YEAR R FIEPLAC E EV ERY 2-E. IDE-

EIIII ' ENGINE OIL FILTER BCSEEN1,200 mi I2,000_IIII-II

' I: I 2-2_ - _-I'I'ICAREIURETOR IDLE SPEE D I I-—._

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NR CLUTCHSIDE STAND

Y _EI-IE

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queIifier:I.H In II-M |,-,m";; n,f;q{I;1;I;_ M |1=|g;|r|-|r|15I|'1d'1_'hI:ia item: he 0erIIiI:ed r:InI\,r by en eumurized Honda drrnler.

NOTES: [II Rewrite rrrure frequently when rirllng III-11'-P5‘-‘Ir HIRI-rgt Min |-mm ff§q|_|gflfl-1'! when riding ‘n-I rem I-:Ir'et full throtflIr IU.5.-"I. mI'I'I-qap |=I;II hiqhar I:IdI:-Inerer readings. rennet it the frImIIIr"='r ilrlflrfll Biiflblhhfld I'W"=

.-.. I|J;I;I_II:I'IIw.Ie: Nu-u.,1-‘BB1 1”EIFHONOA MOTOR CU’... LTD.

Page 182: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

___1HONDA I

2. LLIBRIBATIUNBIL IIEBBIIIIEIIDITIIIIIIS

U51: HUNUJ1 I1-STHUKE IIJIL or uquwal9n1_API SERVICE CLF-SSIFFCATIDNI SE r.Ir SF'b"|5CO5|T‘I"'SHE IEIW I1-U

Dthar '|'Is|:'.c|:-ities sh-zrwn |l'l 111: |:I-mr: rn.1-,.- |',||:u5E-ll w|||:rI !h*_' uuerag: H:rrI|'_|n-raturu In I,':\q_.|rrid-nI;| -1-rrr=| -L within the In-::lI-|:a.Iud wflgv.

3. INSPEIITIUII Illlll ADJUSTMENTHIEL STRLIIIERTum ‘ihe {u:| nruiuq DFF

Lnosnn thu Izarh-ur:I1'<:Ir drain screw a-n|.1 drainTHE fL|u| lru-Jrl Ihe c:arbI.|r|:tnr ir-flu ,1 iu|13bl|9cuntainur.

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Ham-we the fuel Iiltar bah and uuli nut I!h|:fuel Illlzr and D-rings.

Walh the fuel fill!-I In Ciearl rlnn-llamrnnhhe orhigh I‘!-1-sh T-l:l|nt ml‘-runt

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"runnue; 0.3-0.5 kn-n1 I2--1 H:-I|:|JAltar installinq, turn the fuel uaalva I.'JI'-.| Indchuck Ilh-a1 thurn am nu iuei Iaaki-.

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.I—-\

—I.

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11"-

-1

II“

_,‘__

‘HB2 ADDENDUM

BIIIBIIRETUR UHUKEC2’-|':¢_-It Inr etlncicitri I:|1.'JI<.B lever ntmrntlnlt

the Ievu-' shuulci szair wlwrs pnsitiunnd Mr‘-vnthe -',hr;-|c.I- |l!'||'fl' all thi: way‘ lu ‘.I'I-2 let: aridn-.aiua aura ihe I:-7'-|:II-Ia -waive is closed by" rn-Iwinuthe chnlm law-::r at thi: I.-.;;rl1._re1o|.

|\!5U_'|,_|$TME.NT

Tl::I'I-nu-:1 ‘Jne if-Dl'I1 CDHEI.

l_un-mm l'r.I.- -::|hlI: -:l..1|n|1 ||'1|.] |.lu|l the CEIIJIEuusi-I9 up 4.451 unr-I the cnciku val‘.-'1: II !uIh,r6|-,‘j5£|d Hutightnn tl-II: I:iB|1'I|1. f'a'|<:-vi: the 1:lIr.|lI:E-I!'||'lH irl 1l'u'=' 'n'-3'3,‘ 10 I'|‘I|'-I I'Ifl1'I1' flflfl bl! ’Il.II'I" 1I|'II-‘I;h giqg -,-3'--,1-5 is; f|_||--,- l_'lfl|_!"'i by c?i"u:I::kaI'|g fur 1 -17"'|rn I'I-‘IE I-‘B -ul |:.=I.|Ie slaci.

l|I'|1u!| ll‘|r.-‘: lr|'.|."-K C1I:".'r'.'|

llll IILEIIIERTum the Itan-:tI-2-I:I-at all thn v'-aw tn the r-gr‘!

|'_flO5.I'_.l|'l Th: \i::rr:',un .Itl1|c:h|r|g lhr: \‘.'t|!|II-Erl-IIT|I'I|]cum: and uraathur tubu and tiituunnuct thfltu|;||:-1

FI.-.|-nu-.--= the :|;t|:w!. attaching the an I:='u-annlca-5e_ P\,,lI out, :hn inst: wirth the nlr Iiieaiterll-l1"l'l|!|'1|.

=19-.11 305- tha r_|ir -:|e|:|n||| :i-E¢'r'I&|11I.

Iflieait zha element in taut-I-nr,I -I |iI5I'1'-T|'v TU||J|:Iili|'I d|.|1t1, |':llI:>'|.'-|'3I.".'B1-' -E|I'1\r I'BI‘I1itflIl'\1] dl-I11 UM‘appél,-iIIg GC|I'|'l‘|Ill'I3F-.‘iE-1] qt: trmri :I':a I!‘-54lZ|'EI -J!1i'.r' I-“||i!|'l'lIHl1.

R;-;p|,;¢;|; 1|-1,; blgmant -F II; E: ||1:1:r|saiv|:l\| rlirlvIr:-rn or damagur!

||151;;|I| 1;hr~ |'.t|":l|'I'lE'I‘I| uI‘|C1 t:\C|I'h"|EIZ.'I 'I"'IlI I1flI'll"4!I'-I‘ing 'l.ulJE.

|n5ta|| ti"-I: air cleanrr case.

Cnrlnmzii the breather tube

EHDKE LEVER CHOKE

AIR E

AIH

CAISE BHEA

CONNECTING

CASE

TU BE

‘R

ELEMENT

Dan: 01 |:t!:UBI |'\|U‘-'.. 1931-TEIHDHDA MUTUH CCL, LTD-

1815 20-?

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‘B2 ADD E NDLIMHONDA /’_crn

WINE CLEARANCENOTES:I inspect and adjust valve clearance witrle Ill:

-engine is euitl lbeluw 35-"-"C. BEEF].I ltt-eta the lne.e1lur| u‘l' the "T" mark.

Tu cheek the ualye clearance, tempyg thgflrflltltahnlt. tlrninq marit hole and value mspectitan cups.

I"-l|ri2ljlJ5‘l' tlfluflrfln-tr: IT n:r_'.955.a;'y train“ ualya ad-iultnt IIITBIIIB-G B-HBDIII II:-ee page 3-E-I.

HE sure in relmtall thfl GED!

IGNITION TllllllliIIIDTE The C-;|pIiI2l1'l‘I|‘B Dlseh-arge Ignrtlnn 1-,-1lIflI'l'I- I! f3I:‘.‘l10|'y are-set an-rl r;ann1;|t big gdju 5ted_Tu inspect the f|.|nr:tic|n nf Llt: CD1 mumpureentr-. ignition timing tn!-pecfiun prqflgdtlffl-lare r,||1.-en hern-

Fllnvnye the timing h-ale eeu.Cenneezr II tlehnmr:-tar anti tmting lnghl‘Start the engine and Hlflw ir m Idle |1,5[l]rpati. Cheek the ign-riqn tirnine.Timing it-eurrect if the -nder-r mark alight withthe "F" mark at -tl!=.II the ignltiu-I1 tim-inn ie incorrect, erreclt lhnCEJI unit, e.-Inter coil end nuiaq gq|-|;|m¢|;Ir_ and"BI-tlflflfl Faulty parts. Flrrfer tI:| page 20-22 Igni-tlun S-\.|'5‘tern.

BITTER?HEIPUHE the right arr-rle cnyzr

Inspect the battery llu.-cl layerWihrn the fluid near: the luun.-r I:y:!_ lnumnTI‘IB bfll! and tape:-I the battery bracket furunease to the battery.HEI'l'lU'-fl‘-‘ thtr battery filler cam-.Carefully acid distilled wat-er Ir; the |4|:||:Iur iatrveirntrir using a small syringe nr plastic fur-In-qt.NOTE Acid only distilled water. Tap waterwill em:-rtan the service Ir-in nf the battery.

The battery aIh:r=tn:Il'|rlI tinn-teim mlturla aeitt. Protect your Wu. sltln.and clufltina.In cue n-‘I II:nnta|r:t_ fiulh thoroughly withmm: and eenur.-t 1 damn: il electrolyte amIn '|'GL|t -I1.-ii.

I-IDLE

_’__4,-.1CHAN HSHAF T

LIGHT

GAPS UPPER

Q I

20-3 '3“ Denenflsauai N0‘-'-,1QB_lemewna MGTDH 00., ttn.

"x

-'-.

--at

--~.

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E, egg) C?" eeaneeneum

y--‘ml [care Identification nu. I PBIEA

. at QI§§%%i%%

I

Hep-In-::e the battery it euifati-an at sediment!hlue lI.'_!l;lJ|'I"|1JIlI1'lH.I12lIl the brill-::||‘n.

CAUTION: When r:hedtlr||| the battery lilac»trulytl lfiei ut ltllllng distilled ureter, nuke

T‘ nure ihe breather tuba in ea-nneratad tn thehetllry hrnafliar r:n.|'I:Il:1 -ell:-aw as shown.

I.-

II. FIIEL SYSTEMSPEEIFICATIUNS

EMITIIIN

| ‘l

INSERT THE BITTBRERTHEN TUBESEEURELY UN

5l_IT_5"l'

Below I 500 m Above 2.000 m _I.-lain |et (5,000 fri IE-.500 Itl

u tar Gig-av’-HTS‘Throttle yalya 4‘ 3.0 'I é

, J-at nn::r.lIe DA.-Ur _ _ _ .-- -- ~i-‘ 1,";-F

-I— ' ._ _ - _ an I.-_-eaea~. -HELFCJ

If

K

.-"I4J- ‘aha

' -".-.-- _¢5.- '-—.\ _ .

e E5

.

- -;.

@fin]

3"‘

/_ . _____n.ua-u.na kg-n'|

--. re.2-0.1 rnal

em of Issue: 'I~Il=»._ teat "'7 T 2O_9IE HONDA MDTDH Cll. LTD.

Page 186: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

HONDA Ia'e2 ADDENDUM [III] -5'

Hllil-I lLTlTI.|lJE'|i'.Il1er- lrle vehicle =1 to big operated |;r_Ji|lir1uuur-li.i mntrr E,-[I00 meters ll:i‘_iiDiIl It!l'!1| thecarburetor mus! be .'I|J_||.H]:|"|.I to i-‘l'l!IlI'D'|‘E' di ivo-ill-ill W end -‘Ii-r-r-'ie5e eiilteuiit 'll‘fl‘liL'Sl'|',I|'l"|

I. FIE'r|"i|2|'|E HIE r_'z-rrI’1i..rrr1i;Iir

2. FII.?IT'-lJ'ii'B ‘H19 lI'ElllJlJ!l£1|Ill 1li;tiat_ [h3|||'_,3|;|_

3. l‘Il!I‘I'4.'l'i'i'-‘ tl'I-I! # T5 ma ll |El iiI'll.l iirnall 1+-ie-1* T2 ntaiit jer

4i Filr:-lisaiir-‘ii-iiii and 'l'lH.iIl iliii i:iirt.ii.iri;-rm5. 'I.'il'atl‘l'- i.i|.i the ier|§nr- tn operating 1ierr|r,:iura-

lute ISIZOI1 ifld Q0 driving I||r t|_:n rri.irti|_|t_g5is eut‘Iir_~ieii|.fi

B i5'i.d['\J!-I '.I‘I-E Idle .rp~e:r:r_l lu 1,%l]i_' IDD mir-wllh the ll-rnittln stop soi"ew.WDTE. Iitiri atl||.|strnnn1 |Til,|!‘I IJE 'l'lJLIl: a!l|I|]l1 IIIIITUGIJ =0 'E'l'I§iJY1! |.:-||.I|||:i' high altitudeCl'ClE:l'flI.ll'Jll.

7 iI\IC1'i£l‘l 1.F‘il! '\4"I!PII;=r: Emrrsinn Crtntrri-! I|l-loiinflr-iJi‘i Lliirilntii label as sihriwi-i.

I“-ICITE Du |‘ll.H attach 11"-is iaggi t|_| ,|ii-,- |i;;r1that Bari be easily removed lrn.-ri 1iii- uiii-iiigile,

"t""""""n""""'3 Continuous oparariun at Inlltlludl lumr than 5,Dl2IiIJ Ieet ll,5-00 mereralwith the carburetor adp-rt-iirl for hruli altitude:may earn: the engine to Idle rciugliily and slelland could muse angina diiirri-rig-Ii Item oner-heating. When the vehicle ie to be operatedraziritilriuiriuliy below 5,000 feel H.500rr1atareI_ reinstall the I 75 rnein iet and adjustl.I'nr idle lpned to 1,500 1100 r|1il1|i.

HE =i-HI: to mrltii there adiustriteiiiii I1! I|']lll|'i|,I1'I-tullle.

E —-1—--—:i

'- *—-"‘:I_::ii

2;;“ ‘*‘-—_____— _ flu

‘i-—'=—i-r El

‘lg-r-"'

1-.,

-I 0 Dull of lame l‘-Ioir. 150120 e:-uuuoit Iiiiotoe co LTt:i

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.-F‘-it.

|" -

I.»-PH.

3""-.

J,-_‘\.

F‘-.

r"‘"--*-*-

HONDA.C70 '32 ADD E H DUM

5. CYLINDER HEAD/‘MLVEEPEUFFEA1 HZIHS

STANDARD SERVICE LIMIT

m I mm

- |

Ca mt ct". mum z1_.g-g5__ ' |1.1t:t|: mt ggts mm _t_1_.t_r§§e rmIE.'U?Etl'!l'|'l[1.l]'2BBiI1P 15.59111!" [1.UH'|I'I'l|

ETUHIIER HEM]HEMDV AL

Hesnnua the front I:-uvtlr

Dimnnnect the mtaltlt rltnr Truth Ihfl cvlinderhead.

Htlmcwv the murtlur an-|:I the up-ark pluu cap.

Hgrncmu Thn |,'.'|,r|i|'|-Eh-:1‘ ht-!:r|.'| ||!f'l titlfil Cm!!!‘

Hm-nave lh: crttrtkitaft can -Ind H-Irrt I11!ctanitlhnfl |;.-uunmml-nckwtse to ilttlfl the "O"mark on the GiI1'li|'lI|‘l lnrnlfii-ET with I'M Ifldflhrn-urlt.

Humutu: thu nzamthah anruttkst.

Remuuu thn t;'\rl-'nt‘l|&<r I12-ad lpaqe 5-11-'l

|N5TF\L|..fl|TiUN

lr|:ta=l the wlirtdut hunt! atsmtl-hltr {P6913 E-131

Hlmgvq the narrr qhuln Lemlu-rter Duih TDCI-1r.|at1u 2'5-I-‘III.

Turn tha crankthatt cu-unmrcltt-flltwllé indaiiqn 1hr: "T" -1-utrlt wtth the mdntt mttri

Ptm,-tr the cam chain outtr tht: tiun-uhatt sprock-et, a||I|‘|I'lll'lfl the tptuckst "D" marl-t with 111!cylinder h-aatl lndmt marit-

lnstall 111: t:i|m$hBfi mrumtnt on In-2 camshahand tlflrtten the inrncltt-t bolts.

TGIFICLUE: DJ—1.1 kt:-m |5—B ft-thin

tn-,-ml ti-|= rlemlintnq r:|nm'e-d parts {pa-gt: 5-H1-_

IPIIJ-EEK M|l\Hl'-Z "O"

CAHBHA FT

IN DE! MAR K

.,_-I».<

.-- 4_ II _---1-‘ _

1- -1‘I B‘!Ditlufltauui N ., 1581 -

-D HONDA MDTUSH CO.,LTD. -I 1

Page 188: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

20-12

‘B2 ADD-E NIJUM

B.BLflTGH

HONDA ’_cm _/ H

— IITEM 1 STAN D

Clutch gpri-ng tr

git -.; *' L“ "xtrm §

tan-as mar

—_“____ _ __L I‘ -'== 1.

. E H‘

" It

,-

AHD SERVICE LIMIT

N lanqm I 15-I mrrl [I175 in} I15 mm 10.39 in]

itQ

fit I I% ~.‘. -J G I T" '_-.

E!’ . _ :1 _.

., . '

3.5»-4.5 it

__|'I

- I-1‘. ____:r__r___:_ ._ In Q ' . _ _.

-.~-__ _.--j"T-

wt: I'll

. 'I:||

t ._\ I I '-.5 'k“'I— ' |

|l‘u III ||._L . | | I

Q _ -. .-' ' __-"I I

"

.-—-‘I-

. -,

I 1"-t |

-\-t

1@* Dataoflsauw: r~|-:v.,1sta1 u@:~ur.;n~mA mntun t:|::., |_'r|:+.

Page 189: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

P‘-"h_

|r""‘-.

,.|-ifi-.__

|./"1

r,

r"‘-

._\\

/iHONDA

C70 ‘B2 It DDEN DU M

CLUTCH WEIGHT IJFIWEFLATENIJTE: For disassemble and lnitt-eI:tit:|rI =-H:page B-3.

| |CLUTCHI WEI HT

ASSEMBLY

lr\.t.taII the -::|utc|| weights on me eluteh Gl‘l'|‘flplate at i‘I‘|O'|\'I1

Install ‘thl: |-.tL||.t .-lug and the eiutc-h springs.

STOP FI I HG

C LUTCH DU TE Fl

1|-11taII therdriue pkatu in the clutch outer Md I (1tighturl the mre-.n: in 2-3 new in a crlesttrose J,"iJflIIern- _ ® if.

@ ).-J

DAMPER SPRING

Install the eluteh damper spring:

scnew

en GEAR CLUTCH csrrrenI|1:.tt1II the dl'I'|'E' gear e-utsr and |:lult:I“l :I:r1lBt

I‘-ICITE: Airtyt the grown in the tlulflh DENIMwith the b-trues ti-n the drive utter.

I|'1$l_3_II the clutch pl-ates and tlitl"-5 IMI IEC1-IIEwith the set ring.

-!’ “

Date t1-I i55|.tE3 N0'.r., 1951 191 -EHDNDA MDTDFI Gil. LTD. 1 3

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Hanna,-5'1‘e2 ADDENDUM C10 /I_.-..

T. TIIIIIISIIIISSIIIII5F'ECIF ICATIUII-IE

I__ ITEM §rI§r~IeAHD seevice LIMIT _|5h'n‘ttorIt |.t:». IH-.UT5—T.'I-lI.ILl:lmmII.3-415-1I-I425-trti 3'-1‘I.1flrr|n11l,I3-IH-ir|I

B. IIIIII BIIIIII TEIISIIIIIIEIIIE rnn1BflLT

_ eITEM ETANUMU 5 |_?“'|'-|'?'E I PK‘IT I M I_

Sr.Ir|nt| Ire! Ie-|t',|tI\ 2|-II -'r'.m I13 |r'.| 1'1‘ i'|‘.F| 'I'3.II In]

-- ._||'Fu|I'r|:|t:ID.IJ. Itsee-Izneemtt-H11_gqm"-., ID.-1?1B--H.172‘-flrnl Itrrr.-nu ml

PIISI-I IIIIIIeerttewtl.Dfiillfl the Engine \;|i|

FIE-rI‘II=I'-II! the sealing he-It, was-tIrer, t-urmnnereurlnu nn|:I push red.

Remeue tI1e E rnrn belt and sealing washer,

INEPECTIUN P-U5" HUD

Check the pttih red for wear er damage, antimeaeure me CIJIJ. ,,._\I

STANDARD: 1 I.9B5—12.UCIO mmIU.4?TB—O.1IT|'2II i|1I

SERVICE LIMIT: 11.91 I"l"|I'I"l IU.4iI'lJ in) A

Measure the sprint; free iength.

ETAIIIDARDI B3 mm I33 ||'||SERVICE LIMIT: T? ITIITI I3.IIIinI

FIa|:|Ieee either part It it: rr:eay.tm|'nt;|r|t dtje-5net fail within the limit.

TENSIDHEH SPRING

-

_‘I|

_ "95 Datecrf Issue; r~|=w-,.'|ee1 _20 14 enemtm MDTCIH t:c:., LTD.

_—

“H

J-‘Kl

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HONDA.-H $2’) c]'[] 112 ADDENDUM

CHANIILSHA FT CCIVEH

R E MDVAL

JFK

Renteve the tenelnner nI..I1~I=I rud [pine 29- IAI-If"-‘\-

' Ftemeue the A.C. genereter nn-d IlvwhflllIPIBI I'D-IEI.

Fiemove the starter chain and mrocltets Ieege1&5-II.

F Ftnmaue the ttrlniuthult c.|:w-ur ant! the I:IirI'Ichain teneinfler.

Cite-t:It the tenunner S-FIrUCIt|:1 ler wear or_-—~ damage.

TEIISIIIIEI/I'II$I'I IIIII]INSTALLATION

D-RING HJLT AM

lnltali the earn chain tenslunhr

||-malt 1|-|| D-rings un the i:renItehi‘It I:-Itwet.-"-3 1|;-few I-tulee end e-mler.

Inetell the t:enItehe'It cetrttt anti Lighten itwith two ecre-we.

CHAIN GUIDEtruteil the tterter chain and seIreIi:Itet_t.

tnttell the flwmeel end A.C. generator IPIIIQI:I'D-THI.

.--‘;|I

8/_‘\.

‘Egg: 1:|f lnue: I‘-iI:w., IQBI 153 _IEIHDHDA IHIUTUH CU.tLTCl.

A i _ A -

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‘B2 ADDENDUMHanna.cm ,,»~-»

IFIEIHII 'I‘II"IB IIIUSII I't'.‘t\Il.I_ 5|:|nrt_r,t_ |,i,|'fl5hEe flttgi 5|;Iq!I'|'||'|

I:It:I|t.

NCITE: MIIIIII sure tI‘|E pueh rtt-t:l '|';eih,Itt| i5 freeIrnrn rlutt before ||l5'lt|tIIa1Itjt-n

Ttarqtte the tealinq belt

TDl'-‘IEIIUE: 2.0--2.5 l-cg-in (TB tB1‘t-lhi

FIII the titer‘-ltI:-alae with the retrurnrnettctett telIttaea 2D--'Ii-

PIIII-Ir EIIIBI1 engine oil through 1I'|: 5 mm beltltttle ur=tIl nit flew: nut nl the hole.

lnttali the B It I8 I-1m lrttlt and seal-rig wmthn-r

NDTE, I..lu.- the prunnr length Ltulr A In-|'||]£|hell mmr interfere with lI'Hl truth re-cl.

PUSH FIDD-PUSH FIDIJ SPHIIIIG 1,!

- A",I'-'1' _' 'I'73'.1§§5r;.

t ' - .'_t:I|.,t / WASHER SEALING BDLT --I.

E rnrn EDLT I-IDLE

"""'t

.-I-'-.

t--II-Ml

“I

-...

2o_1 6 1" Date ttt Ittttet rttttttt, 1-aetQ HONDA MEIITDFI CCL. LTD.

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"-1._ . -Jet I-Icutirnattr"-'-, %7 [I1 I] ‘B2 ttttteetteutn

I“ 9. tnntr vrnttt/susrtnstnn

E11“? -'"_ __ _1' fir(-- e.e-en kfrn _______,,_fl “ABLE

I11-3-H-5 ft-Ibl ee???

NOTE: Flemcwe the dtelte cable"II" heItl:ItIt IttI tllltlettnlct the nl:|I|t I‘-t

I"_22 H'IhI ' f I‘rtItt the ti-IHIIIII lever to 1'I|'I'llII'l'lF“ the Ieft hltulleblr ltulteh.- e

t.t.-ttt... 3» ,I5-g§gI;e=t-tttt~-I1 II-—1I'2-ft-IIII . {Z1

15-15 Ittrm -. | . _ I --..-,;,I.-;l-;-.--"-'-.- :-rta-25 rt-ntl - "_'| ' ' '—- tI.e-t.2tt . E‘ ,' . - II "“’ _ 1- lit II '= . .-

FQE: "_.- — _ "_’_,.-——-—- t'....._;..|_ F I‘

111-3.0 kg-In

t 52$?’Ffiglgi-\;..II.3jw

. . ._ I .at’ ' __ It I ' an-2.5 mug;H,-' - _" '-I IIH—IB It-lh!

=-"=-=-I =\A I , SFHIIIIG FREE LENGTH:-G‘ " ‘I73-4 rnttt IEJ3 InI

1_D_2_5 ku_m___,_.--—-"""' __ :_ SERVICE LIMIT:

-;I _ I.‘ .t _I I - 5‘ - an-es Itg-In

‘If -|- ' ' I'lII—1B I1:-lbI9' I

III | -LI,t I.‘ -

“$

‘I-. .-. —_III‘ _ - _'- - _

F .""I' 'I ~"| %:.,tIt.._fl 10-It.tI Itg-tn" I22-29 it-lb]

(*1.

III. IIEIIII IIIIEEI./SIISFEIISIIIIISPECI FIDAT IDI"Il'S

ITEM _ STANDARD serwitze LIMITSheek eheurber II|J=Iet| free Ienttlh -229.1 mm [9 D2 ttt; 1215 mm teed In]

um ttt Itttutt rtmt, teat 15 _-ZZIHDHDA MDTUH CCL. LTD. 1 7

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"B2 ADDENDUM ..~..

11. BAITEIII/BIIAIIBIIIB ststtrt _SPECIF ICATIDNS

B-ttltertr II.‘-e|=ItI:lttr _T EAI-I_§_|:_|e-cifie g1Iev||'¥ I210-1.290 IIUDG IB-FF]_DtIttIng_rem ‘I.-II ampere: maximum

-III’_"3II-- HEAIJLIGHTSWITGH. - - I///' I

BATTEFIY -~ - - - ., ,’=“-'iY_‘-1..t ' . '---.5 ‘______-' -._:3’-""-t.,___L____l_| FUfl_.E___,..

.-- "_"'-t

.,__u__L_ ‘I’ -1'?*‘*"*-1.-.t~e:'..--

"--?--_:_-:_____,..--___.

.li‘FL____ ___‘"—.____t-

Qjghit.ItI5.

.‘I'll_-

-tit-1.5

‘\E'Ii&

_ . - |Lt t I ' —-It . - , t _ 4 | ., , . .

' ' I I It t ‘- .- t t - ._ _ ____.-.J—-

_ [ sttrcette “— -- -RECTIFIER "

-I-ii

.-

Iq " '-"!."'~I.-.__ ‘t ' ‘\-t J__ || we‘ll 1 |t_ . .

__ _' 5 -- 1"‘-—_-_ -I . -_ -..,,_ -!I— .

til;t--L._ ?_

___1-t.

.__;fj.."

.L___‘_.

LC- GENE FIATDFI.I"'9"t

_.-f

/..-;' -- .r _ Ln‘:

‘Ht. I -"'~I._ -- -'

e.tI-e_.e It!-III I I ' __ /"*~..I22-zemei " __ _- _;;r .5-*-'

__.._ -_ __._.- —— ___ §

'-::-.:,l;t-l__l

-.| 4—-11

\ A_ 195 Deteef lease: r~.|tttt_, teat

20 18 eheuue HIJTDFI CD.-.LTD.

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,6 I-II)1\TD..Htr-- [:10 'ee ADDENDUM

D-B. LC. GEIIIEFIAT-DH GDUFLEFI

INSPECT I GIN

FIerflUit'E' the item e-i:II-Ier-."’-I"-

t' Diseein neet the A-..I;. gnrierater counter

Mttatturq the reeismnee between the termi-rials.

RESISTANCE:fr" White-Green: til 3- -0.5 I’?-IIIIrI:I

't"e|li:iin—Green: El-.2-B-6 Dhm:

Fteeilaee the eta-tnr IIlt1.BI'I'|II|I'ItI IP eflhlf I'Bit¥l-grtttie tt ntit withtn reriee.

t-"-\.

I"IEI|IEI'It'AL

Hem-ihre the frent curet-

Remove the gearshift pedal iirIt:l the drivetttreeitut ecwer

;'"- GEAHSHIFT PEDAL LEFT GHAHKCASEI_':t:I-tree

Dllettrineet the A.-C. eeheretur enupler.

Dieceitneet the neutral switch lead Ireim the=wltI:h terminal il‘lEI remove the left i:te.nl:-ease eetier.

‘I-tIf " FIItrI'I-I;IItIIt the wire nreteeter.

.—t ‘HIRE LEAD

Dete til‘ Ieeuit: I‘~tleiti., ‘I931 197 _IEHDNDA MDTDH E‘.I£l,_ LTD. 1 9

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___—__

HONDA.5"112 muzuuum [fig J,-

F|Efl1Cr|'|: ‘[wC| llfllui I|.'r|:w: :|n|_1 stator frnrrl the|I-‘H C|'i||'||‘:€iil? CUYBT.

Um the fil,-wheel l1|L||rJ|:r nr n hand mug huldgrand mrur-u 'rh|| fh-who-el tn |'.-raw!"-1 ‘mu wankshaft from :|.||n|r|g.

Humane the genenum rn1.q|' nu1_

finmcwu the -utor

STA

LEFT

FLYWHEEL HDLDEH

SCREWS

D?§L'5-G84-UDOU bind strip hnlde-r

H DTU HDT'H3-3-4-BDIUDOD

195 L'lal:-:;|1|1:u:: Ncr-'_ 198'] _

F? _ _

-EFHCIHD-I1 MDTDR CD., LTD.

.--t

Ii-L

.-'--»,_

_,_~_

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Iffi

fr’-‘-1.

F“

I'-

fr-

Fl-

F1.

r__

F“

F“ HONDActlltlklfyl ‘B2 ADDENDUM

F YWH EE L HDLDE F-

Align tha rl:-tor kuvv-at-' with thlr kflv lJr~ T|lE'cnmkstlart and lrutall the gnneratur rI::-tur

Tghtqerl fl1E tflt-l.|t ."lLlt.

T-DRDUE: 3.0-3.8 kg-ltl 122-213 ft lbil

WIRE FHIJTEIITUH STATDHIrlstnll the BIHSCH an me left crankcase cnuufwlth the 5lJHJ'WI

Rn-my th-u |]|;l'||t|'tl.ltH leads |:sru:-u=|-,r an-cl install1|-tr: -me prnmctur

Ll: -

C.|:l|'l"\l1fl1' 1l-"tn l1:lllrq| swltch lal-L| lIl.'| I|‘lE W-l‘§"IG|'lll:-rl1l-mill

Install the left crankcase cull nr, tlliur: sl1r<>lr1l-H1l_IlfIl|'-HT and HBfll’L|"lif'lI fllfldflll.

I2-:l."-l'lla~l:'t the -glaneritur wirr l:c=ul;:lt:r

|n:1,.l|'.| ll-la rrunr |!t2n.'E'l‘

El-ateuf mu-: |'~ll:rr.,19El1 1“ 2{]- 21EIHDNDA MU-TDR cu, um,

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'a2 ADD ENDUM ___

12. IGIIITIBN SYSTEM

,_ .

_',__‘.,{T.‘tll .|| |'

I . . ,.,- IGNIT [DH EDI I,I _- _ _

iilir I|_-ill‘ '- "'—i——“._ Eh ..

:1;-'1?'?"""l 4;;

.-gift‘7"ifa.-a.{E,-ll»-T-1I‘\

‘L-TL-‘.1-:-it""'l-I.

'5' ' '-—.'L---':' l' ‘L lift. K '. _ ' __.- -..

~. hi‘I.

I‘ I

_ _ -. ,=,l =- _ '=:'

—|_.-

. '___-—"l"__ _ _| _ , __"' I __-- __ -_ _,. _

I‘- _,-l-'

_n~,I

.. I |_|'

=f‘ F‘

‘I \- I 5' -.I|

..-1;“?-._ l§>;<3‘'-¢.'_'_'_-‘H

y___,‘*----:_-— _-

SPAFIK PLUG

ll..C. GE HE H ATDR

IGl'lIIIT1DN SWITCH E1

lix?‘

‘-.

GITER CD1 L

SPARK cu - I "-i _ ._ '| G

1

.1lGl'|l'TlflHCDIL

T T T -: GENERATOR -:I FULE-E

‘ii

l—lTIIf‘J..4I

20-22?-i '—‘ ‘ii “ -

Dal: of Isms-'. I‘-Ill:lv,, 1961-DHDHDA MCITDH C11, LTD-

ll _ ll‘ - ,4 _

| | __.¢ ‘\-

| I I l-*=- |'-. _I .-IE-*?1"\_ -

\L’ '*1 ,._--»--<51?_‘. I: ‘ .’ 'f3='-l._____J. J __________-" _"-.___‘.

-3 ll-1 _ , “ I __________. --|l_» _ CDILIHIT

"W

""1

_-'-~

.-F-._

-3

.-

Page 199: Honda C70 Shop Manuallrio.com/pdf/C70Passport80-81ServMan.pdf · formation r1va|la£le at the time uf apfhuval ftjln printing honda mt':|t|i:-h c-:1, lrn. he5e|=tye5 the hight td

/T HONDAC70EPE CIFIEATIDNS

5;:-stilt: plug Standard __ _For mm climate ennw she |41°F IFor E1: randeel high weed riding

Spark plug gilllqnltimt tinting “F” tI1a_:|rlc 'l5'_J_B_]-ES;-Bil lditei

Fnlt ltdtlanult I'll?" B1iJCt'3,1DU rrlnl

TIlllllBLESl'lllilT|llI'iNu Snlult at Pine1. Englnll !-lIlZt|II iv-"itch “lIlFF"2. Pnnrw gnnnected, broken or shct-r:al:l w-res

Hem-een AC g-nnerutur and Il]I'l1l:ifl'1‘l -CD||- Bntweert CD-I unit and or‘-glllfl filflt-‘r SWiliEl'I

Between CD1 nnit and ignition mil- Between lgl'llIllCll'l CD" Ind illlug

Between ptllee gerterator and CD! uml3. Fi-.=l',-V tQl'll[:-l.l1'|C|III|4, Fnul1‘qI -EDI unit-E|_ AC g[ll'l::'|ttl:l-P l|lLlilI\l-B, F.-mltt; pulae earl-erater

lEl'ilTl[lll BIJILHEMUVAL

F|fi|'I'|\'.l\|E the |Jti[tH‘!"|'

?-lt:*1'ttJtlt: t|'lE |Il|1Tt9'l|' l1l'.l:|l

Engine S-tim but Hun: Fuel-I~|r1, Ignlt-urt lJf|l'l'lil‘y cirliu-l:

— Fauittr igrllllfitfl CD-lLease or be-rn win.-

- fmzlre fJ\.|l!E' qan-eruter2- E-euullclul-I l:-irl:t.lit

— .|'3\C gen-t‘:r.:|'lul fllulllr- CDI unit fellin-

— Faulty pulse l]I!l‘rt!1‘:l1.L|I'Fuulhr 5-lltilrllt FltTl.'irlr_'¢t|-

I I

Date clflesua: NmI.,l'Elfl‘l H"'E'I-IUNEIA MCJTEI-Fl CD..LTD.

'32 AD DEN DUM

i

L.l22FS¥_ll_LlE~lDl, stuns ll-ll3l<.uzlzlesll-I.l lgltll. CHE-HS ltjleltlu2-tl=sl=l-u ltlnl. I3l'li:IHS It-ll‘3tuCl.E—D.]' m rr lEI.EiI~'-1- 43.028 tn I

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‘B2 ADDENDUM HI‘|_

Iii —

Flemeue the lett sitle eager.

Flertletre the relay hex .ITI{.'.t-l:hlt"|g |'lul'_:|-t1.d' halt,

Human-e the relay bet:

Hemetle the igltltlttll cull mount-ng nut inclremttee the iqrliticln nail.

lH5PECT|UN - - — 1

Measure the [E5-l51fll‘lCE ul :1-tu pl'lTl'|iI'\|' nnn til‘ llfi R lsect:-nder‘; znll, ll‘ |t' |' all I i ' l

‘ F Ill I ‘llPHIMRHT: U 2-5 3 Dl‘Ir1"

fa|Iw;i't.n-hr_' range, - __h - --

5ECO'|ll|DlFl't"l 3.11---11.2 K l:lltl-l -___ Qt, ___,‘

1 I ' ‘REDIBGE !-:F‘EI' Cflll I1 11 rel:-stance ring; nu: ' _‘ r_ .-"'"-\r- t -| - ~——' | '-la _" I

F’ ‘ Jl | '-I ..

ll I'-JPRIMARY SECONDARY

Blll lJl'l|TFIEMDVAL

Herntwn the batterq-and battery hex.

Hflmr-P-re the CDI unit.

IGPHTIIJH COIL NUT

FIE LAY’

liI_

e Cl' I

20-24 M filth! D1‘ Eeiutl: New-., I981

__-

@ HUHIIIA MDTCIFI ECL, LTD.

-t

-*-I

i‘

""“-.

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F!

F"

/T"

f"

_.l-"-

F‘

ff‘-.

l""‘

l("‘=.

(_

I |;r;| DI! l:I,'l

I "'“i:‘1“u”“INSPECTION

C-heelt the uelntinulttr nf the EDI utl-It termi-net;

Hepteee the CDI unit if the readings are notwithin the llrrlltsi I|"ll]Wh in the table.

NOTES:I The CDI unit It fuIIt,- transirttlrized.1' Fer ee-curate testlltg, it it neleeseety te uee

e ntecilled elnlttrll: teeter. Use elf en Irn-nrntter te-ster may give false readings.

I Use a SAHWA ELECTRIC TESTER IF,-‘NCITBUB-UDZEIDIJDI at KCIINA ELECTRICtester: ITH-5H]- '

"SK EXT

+ Fruh-I_ mm, aw ettt I IGH

sw I -=~= DICI

EXT 01-20 LIL!

| PC 4EI- IUD 2'IJ—B-‘IIIEIII

E I-51] Ill - Z0 .'.lfl—5'I]fl

t_lJ

L '\

EIBITEII IIOI|.,/PULSE GEIIElIlTI]ll

J5.INSPECTION

Ffltmteele ihe frunt t;t;rt.'tt-r.

Die:-eltltect the A12. generettsr emu cnuprel

Measure the ettc-ter eeil res-lst.a-nee betweenLI'lt: I.'l'IBCIlI:'l'lllI wlte l|:rrl‘t|r"-BI and the gntmntl.

EKCITER CDEL RESISTANCE:‘I5lJ—i'DG Ohm

f-Iurte1.lrt- the pulse genenlter ecl-il resistancebetween the Ll-‘il,lE_|I"|\i's:tl: intl lI't|l g't;|etn wit:terminals.

PULSE GEHEHH-TU-Fl HESISTIIHCEED 'IT{'I flhtrl

__\_

Date er! leave: I931\§'I‘l|:|§'l-IDIIYII. MCITDFI CD., LTD.

B2 ADDENDUM

SANWA It. K ohm:- KCIWFI. at ‘ILIIIII Dltrrte

I-.1

20 25

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HONDA112 ADDENDUM --fi_

I3. ELEBTRIB STARTER

STARTER IIIIITIIRREMOVAL T

Renteu-e the mrter tlrive serecltet .t.nat.t ti-uplpage 1EI-RI

Dleecnneet the stertnr cabal: et the mtl-torterminal. I

I

Flemnue t.ne starter nt-eter meunt-ltq IJ1.'l='I11i an-dremflllt: the meter-

stenten cent: ___

.-Pea

I-"-L‘

.-—-,

I

_ 5'4 D tenll e: Nttth, leer20 26 eaneeeiuunten ecl..LTtt.

_ _ _i __ Ti

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HONDA' B] I] ea leettelteust

It. rtcutlctt rtttutts IThe autprrlatle ehalrl ttlnslttne-r epneitl: pf it push rod, a pne-tleett valve and rt tettsipner sprlnp. The push red pesititetl is maln-llilrtfld by‘ B lrtl-It-'l-tflrlt Inteunt cl-I r-em thltirr-sttlittshttel eil in the ts-il chamber. The amount elf ell present is determined by esore hine-cl action of the value anl:I the tattsiener spn ng.

When the tensiiener spring putltas the red up to I"E'I‘IHZlllB eltein sleek, the erle-wet; wet-t-e eperte ertel ttlluwu r.til t:t.ll.It:t:|.t:l:I in thereel ID flew mm the all chernher.

WI'ltH'l BIIIEH IH1"l!-IHI1 11.!!!-‘I Id rfl-all: th= 1-1|-lsh l-tad dmtln, preswre from the elll In the t:h-aml:l-er ferret the traltle t:Iesel:I sl:l therttnitien uf the red is rtteintain=al:l.

TE"5l°"EFl--_ ' . -. _ tettslurtennel.l.en ' ;j@._ K AH”. _ .- - '-,1 .

1. _h_ .............- ' PUSH net:

ea I *"*'

ti’

:3“I-.-t=I3'.3:'E-IifiN-

-q-.4'; -1;--.___'____ W-Y

. . DNE-Wlt"l' VRLVE" ‘I E :_:1"'

.____-I-____\l_5- _ _

-l-I. _ _ __. _~ i__ .-.; elt cnenteea

+5

G mm EDLT E F -TENSIDNER SPRINGSEALING BDLT

'1‘. I

ll \|

E-i'&P.. .l"-LT"_t

-.

l>

I ll I _ -

.-v'=\": 53' I

it--_...j;

Dett ef lame: hIolr,, IE8] _El HONDA HDTD-R CD- LTD-

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I-ICIIl!\iTIJ.!\..="'"rs: ADDENDUM [:10 J;-..

I5. TRIIIIBLESIIIIIITIIIS

EIIEIIIE IIIIIES IIIIT STIIRT [IR I5 IIIRII TI] START

I. Cheek -f ftl-ltl is glrltlrtg Ini:etI:iiuret.ei

GEITINGTD CARBURFTCR

‘J. Tnr sperlt test

GUDD SPARK.

El. Test i:i,-llntlei ite-rnpreesinn

COMPRESSION I'iI-DFIIIIAL

'1. 5ti'l"II IJ'|i' ‘Il2lI.Ir2ni'li'Iltg nt:rn'naI trtgrtengpre-eefluru

ENGINE DDESNDT FIRE

5. Rernetie snarl: plug

Dir’

6. Start with eltelte appil-ieict

EIIEIIIE LIIIIIS POWER

1. Raise wheels eff greiuruel aiiitt spinby hand

WHEE L SPINS F REE LY

NCIT GETTING ‘I'D -C-RITHUHETUR

'ii".IE-RR IJFI NU SPARK it-P

LD'ri't' CDMPRESSIDN-er

EHGINE FIRES BUT-inSOC-IN STOPS

WET PLUG-

WHEEL DOES NOT SPIHL-——rFREELY

Pri:il;r=al:r!e Cause

hlci fuel in fuel ta-nitCl-:i-ggetl lust tube er luiil f-‘lterClogged I'Ir:iat '-taleeClogged fuel tettl-:. i:iii|:ihreether tube

Faulty tpitrlc |.l-ugFouled spark plugFaults; CDI un=|Brerften er shorted high tensionwireFaulty AC generatorElrrllltért tlrir thrtrted ignitirgt-n cullFaulty pulse generatorFr.el.'ll"I'5r drlrflnrs-r:|.-et.I, brnliteth t:rrshertetl wires

Fm-llttl reeelll starterValue clearance teiu small'ri'|ltle stuck epentl'|'l:irn cylinder amt t.'ilst-i:iri ringsDamaged rztrllnder head gasketSell-Bl'.I valueImpreprtr iraltie timing

Choke excessively tit:-enCerbureter pile-1: scisi-u excess-rirulv closedA-r leaking pest carburetttirlnsulatqrImprrrlper lttniti-en timing [EDIrrnit err ptrlse gettereter fault-gl

Crtrhureteir fliaicitledCarbureter i:I'li:il:e E'il(l‘l"ESlI'lEI'fcl-usedThrpttle rial-ire erteiessi-.ieItr eipen

Preibaible Cause

Elrelte draggire;Wetn rt-r damaged wheel bearingWheel be-eelng needs lulzitliretiitiiDI'I'|'l! ehain ttr-l:ri tightRear axle nut exeesthieltitlgltteti-etl

20-2B 2°“ Date elf Isaue: I'~[psi'., 1981EIHGNDA MUTDR CD., LTD.

__\_‘i

ll.

.-""1

-'*~.

J_‘i,|

='-~.

.1,I

__,_

_——

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A HClE:I_;I"]DA‘B2 ADDENDUM

{-1.2.

r____| 2.

4.|f""".

f'-*- 5.

+1

1.

F‘H].

11.

F“

(___

ljhaclt tim D-l‘B'55LlFI.= with Hr: [pogo

PRESSURE NORMAL

Tiiv Fll|;Ji|'.i acoolemtioo from low toaeooncl

ENGINE SPEED LDWEFIED WHENCLUTCH [S RELEASED

|_igl-|1l»,r lr_'€ElBl'S1;E anoma

ENGINE SPEED INCREASED

C?i1la1:l: ignition I!-rrnhg

CDHHEGT

Ciwock --nun |:lnnn|n:u-

CFHHEGT

Ta-:1 cylinthlr cuntprflfllfln ul-Ing Innmpraaslon pauqa

."\lDFllMAL

ljiiack carhutltnr lcr clo-gglng

HGT CLOGEED

Fri.-more spark nlug

NUT FUULED CIR DISC-‘ULCJFIEEJ

lFcemuma oil larval oaugo and chock|;|-ll l|:vu|

l'.L*l'JFl'RECT

Homo-vo ovllfldor hood cow-r -inl-1mapert lu hrleation

V ALVE TH AJN Ll-JB H lfi fl~.TEfiP'+HClPEFlL"|"

Che-cl: if oI1g|ou- ovnrhonts

not DVEHHFATEU

FREE‘-BU FIE TDD LBWE-1-

ENGINE S-FEED noes not?-*CHANGE WHEN CLLFl'IIH I5HELEn5ED

ENGlHE SPEED NOT lNl'.IFIEA.SED—#-5-UFFIBIEHTLY

|m:oHHEo1'-—_————--

iHEflRflEm

1-on Low-ii-_.-.

BLDGGED

FDLILEDDH DISGULDHED ou-

DIL LEVEL IHUUFIFIECT-Ep-

'¥'AL"|"E THMN NOTLUBHIGETED PHDFEHLY

oi.-EH:-|E.r:rE|::-E-

Punt.-mrutl lir‘:Fl;-u|l:'5r tin: vulvn

Clutch filpplrq‘Mom clutch disolnlateWarned clutch rJlsI.:-"r-ill!!!

E.‘-orl:|urP.~tur make-clmodClogged air ole-anarHemictant fuel fl-owClu-ggod full tank hroittint tubafilo-goat! muffler

Faulty CDI unitFaulty pulse generatorFaulty ionitioo Idvinoor

lmproom ualv: a-diusimont'|."|'um valve squat

Valve stool: openWorn c~,-1m|:le|' and piston ringsLea-king h-oatl yulcotIn-iprmee ualvu llming

C-arhumtor nu! servlcod fru-qufl-|'|t|'qr B|1|‘.'||JQl'|

Plug not aorvlcocl frnquontlvenoughUm oi n-‘mg with lmpropor hnatranp

-fill level loo hlghDi! lauol too lowC-firltlkfllrfltflfl -all

Clo-ggad oi! passaqaCl-ragged all cm-nml nrlflre

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