COPYRIGHT by BRIGGS & STRATTON CORPORATIONAll rights reserved. No part of this material may be reproduced or transmitted,in any form or by any means, electronic or mechanical, including photocopying,recording or by any information storage and retrieval system, without permissionin writing from Briggs & Stratton Corporation.

PRINTED IN U.S.A.

FORM MS−5723−11/02/2010REPLACES FORM MS−5723−02/15/2010FILE IN SECT. 2 OF SERVICE MANUAL

12D300

Illustrated Parts ListModel Series

12D300TYPE NUMBERS

0007 through 0536.

TABLE OF CONTENTS

Blower Housing/Shrouds 6. . . . . . . . . . . .

Camshaft 2. . . . . . . . . . . . . . . . . . . . . . . . . . .

Carburetor 4. . . . . . . . . . . . . . . . . . . . . . . . .

Controls 5. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Crankcase Cover 2. . . . . . . . . . . . . . . . . . .

Crankshaft 2. . . . . . . . . . . . . . . . . . . . . . . . .

Cylinder 2. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cylinder Head 3. . . . . . . . . . . . . . . . . . . . . .

Electric Starter 5. . . . . . . . . . . . . . . . . . . . . .

Exhaust System 6. . . . . . . . . . . . . . . . . . . .

Flywheel 6. . . . . . . . . . . . . . . . . . . . . . . . . . .

Fuel Supply 4. . . . . . . . . . . . . . . . . . . . . . . .

Governor Spring 5. . . . . . . . . . . . . . . . . . . .

Ignition 5. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Kits/Gaskets − Carburetor 4. . . . . . . . . . .

Kits/Gaskets − Engine 2. . . . . . . . . . . . . . .

Kits/Gaskets − Valves 3. . . . . . . . . . . . . . .

Lubrication 2. . . . . . . . . . . . . . . . . . . . . . . .

Piston Group 2. . . . . . . . . . . . . . . . . . . . . . .

Rewind Starter 5. . . . . . . . . . . . . . . . . . . . . .

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12D300

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.5723−2 Assemblies include all parts shown in frames. 11/02/2010

2

552

71815

615

3

307

22

1220

517

993

1022

883

883A

3

868

358 ENGINE GASKET SET

1019 LABEL KIT

1 616

2

306A

307A

27

27

30

32

32A

25 26

2829

746742

220

219

24

598

146

741

16

842441

449

523847

524

12

20

18

21

46

12

20

20A

18B

46A

20A

1330 REPAIR MANUAL1058 OPERATOR’S MANUAL1319 WARNING LABEL

REQUIRED when replacing partswith warning labels affixed.

12

17

415

2021

18A

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12D300

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.5723−3 Assemblies include all parts shown in frames. 11/02/2010

3

383337

635A

36 238

40

35 238

40868 51

7

993

1022

619

830

1029

13

102645

914

914A

1022

51

7993

1022868

1095 VALVE GASKET SET

155

34

192

1023

33

1225

1034

914B

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12D300

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.5723−4 Assemblies include all parts shown in frames. 11/02/2010

4

957

190

972

958

601187

601187A

957

365

51

122

104C 137D 276C

121D CARBURETOR OVERHAUL KIT

127E105A

51

104

137

276

121 CARBURETOR OVERHAUL KIT

127A

134

122

127

51

95

692

104

137

276

186130

108

276117

975

133

134

97

109B98

109C

97C

51

95

104C

130D

127E

125E

133B

98C

692B 108

105A

137D

276C

975D

117E118E

MARINERuiXing

LMS276118

109C

125A

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12D300

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.5723−5 Assemblies include all parts shown in frames. 11/02/2010

5

334

851

333

209 209A

505

562227

632

990

892

356K

188

1230

621

427

773

271A

668504

222

485

271

270268

269

597456

689

459

1210

121158

65A

55A

60B

930

608A 309A

188

1230

621

427

773

271A

668504

190

222G

356N1119

474

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12D300

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.5723−6 Assemblies include all parts shown in frames. 11/02/2010

6

1252

472

493A

318

5281224

11B

663

281A731

976

1196A

604A

1036 EMISSIONS LABEL

65

304

37

78305

613A

613

824

883864

823

819863

883A

1251

663

300

1196

472B

363

23

1070

1005

455

332A

1005A

996

1011

1251C

1196

1196A

731D

731C

677A

676A

832A

836B

836C

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12D300

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.5723−7 Assemblies include all parts shown in frames. 11/02/2010

7

1 699505 Cylinder Assembly2 399269 Kit−Bushing/Seal

(Magneto Side)3 �299819S Seal−Oil

(Magneto Side)5 797439 Head−Cylinder

(Metric)(Used After Code Date09061700).−−−−−−− Note −−−−−699486 Head−Cylinder(SAE)(Used Before CodeDate 09061800).

7 �∅698210 Gasket−Cylinder Head11B 695745 Tube−Breather

12 �699485 Gasket−Crankcase13 699482 Screw

(Cylinder Head)15 691686 Plug−Oil Drain16 699445 Crankshaft

Used on Type No(s).0007, 0017, 0018,0117, 0507, 0517,0518.−−−−−−− Note −−−−−699451 CrankshaftUsed on Type No(s).0009, 0019, 0509,0519.699454 CrankshaftUsed on Type No(s).0508.797072 CrankshaftUsed on Type No(s).0536.

17 699672 Bearing−Ball18 699804 Cover−Crankcase

18A 699672 Cover−Crankcase18B 699677 Cover−Crankcase

20 �692550 Seal−Oil(PTO Side)

20A �691952 Seal−Oil(PTO Side)

21 281658S Cap−Oil Fill22 699478 Screw

(Crankcase Cover/Sump)

23 699516 Flywheel−−−−−−− Note −−−−−798882 Flywheel(Used After Code Date10043000).Used on Type No(s).0117, 0507, 0508,0509, 0518, 0536.699516 Flywheel(Used Before CodeDate 10050100).Used on Type No(s).0117, 0507, 0508,0509, 0518, 0536.

24 222698S Key−Flywheel25 792004 Piston Assembly

(Standard)−−−−−−− Note −−−−−791325 PistonAssembly(.020” Oversize)

26 791969 Ring Set(Standard)(Used After Code Date05030800).−−−−−−− Note −−−−−499631 Ring Set(Standard)(Used Before CodeDate 05030900).791324 Ring Set(.020” Oversize)(Used After Code Date05030800).692786 Ring Set(.020” Oversize)(Used Before CodeDate 05030900).

27 691866 Lock−Piston Pin28 499423 Pin−Piston

29 690124 Rod−Connecting30 791584 Dipper−Connecting

Rod32 691664 Screw

(Connecting Rod)32A 695759 Screw

(Connecting Rod)33 499642 Valve−Exhaust34 499641 Valve−Intake35 691304 Spring−Valve

(Intake)36 691304 Spring−Valve

(Exhaust)37 699661 Guard−Flywheel40 692194 Retainer−Valve45 690977 Tappet−Valve46 693404 Camshaft

46A 694831 Camshaft51���∅692555 Gasket−Intake

55A 696710 Housing−RewindStarter

58 693389 Rope−Starter(Cut To RequiredLength)

60B 699334 Grip−Starter Rope65 699228 Screw

(Rewind Starter)65A 699851 Screw

(Rewind Starter)78 699205 Screw

(Flywheel Guard)95 691636 Screw

(Throttle Valve)97 690024 Shaft−Throttle

97C 797628 Shaft−Throttle98 398185 Kit−Idle Speed

98C 797156 Kit−Idle Speed104 �691242 Pin−Float Hinge

104C �797622 Pin−Float Hinge105A 797139 Valve−Choke

108 695807 Valve−Choke109B 695729 Shaft−Choke109C 791957 Shaft−Choke

� Included in Engine Gasket Set−Ref. No.358.� Included in Carburetor Overhaul Kit−Ref. No. 121.

� Included in Carburetor Gasket Set−Ref. No. 977.∅ Included in Valve Gasket Set−Ref. No 1095.

REF. PART REF. PART REF. PARTNO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

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12D300

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.5723−8 Assemblies include all parts shown in frames. 11/02/2010

8

117 690048 Jet−Main(Standard)

117E 798930 Jet−Main(Standard)

118 498977 Jet−Main(High Altitude)

118E 798661 Jet−Main(High Altitude)

121 792006 Kit−CarburetorOverhaul

121D 797634 Kit−CarburetorOverhaul

122 �795643 Spacer−Carburetor125A 794587 Carburetor

(Used Before CodeDate 10050100).−−−−−−− Note −−−−−794587 Carburetor(Used After Code Date09120700 and BeforeCode Date 10050100).Used on Type No(s).0117.794587 Carburetor(Used Before CodeDate 09120700).Used on Type No(s).0117.

125E 798917 Carburetor(Used After Code Date10043000).−−−−−−− Note −−−−−798917 Carburetor(Used After Code Date10043000).Used on Type No(s).0117.798917 Carburetor(Used After Code Date09120600 and BeforeCode Date 09120800).Used on Type No(s).0117.

127 �694468 Plug−Welch127A �691739 Plug−Welch127E �797633 Plug−Welch

130 691181 Valve−Throttle130D 797630 Valve−Throttle

133 398187 Float−Carburetor133B 797136 Float−Carburetor

134 �398188 Kit−Needle/Seat137 ��693981 Gasket−Float Bowl

137D ��798932 Gasket−Float Bowl146 690979 Key−Timing155 797442 Plate−Cylinder Head

(Metric)(Used After Code Date09061700).−−−−−−− Note −−−−−698214 Plate−CylinderHead(SAE)(Used Before CodeDate 09061800).

186 692317 Connector−Hose

187 791766 Line−Fuel(Cut to RequiredLength)

187A 798908 Line−Fuel(Molded)(Used After Code Date10043000).−−−−−−− Note −−−−−791867 Line−Fuel(Molded)(Used Before CodeDate 10050100).798908 Line−Fuel(Molded)(Used After Code Date10043000).Used on Type No(s).0117.791867 Line−Fuel(Molded)(Used After Code Date09120700 and BeforeCode Date 10050100).Used on Type No(s).0117.798908 Line−Fuel(Molded)(Used After Code Date09120600 and BeforeCode Date 09120900).Used on Type No(s).0117.791867 Line−Fuel(Molded)(Used Before CodeDate 09120700).Used on Type No(s).0117.

188 699479 Screw(Control Bracket)

190 699220 Screw(Fuel Tank)

� Included in Engine Gasket Set−Ref. No.358.� Included in Carburetor Overhaul Kit−Ref. No. 121.

� Included in Carburetor Gasket Set−Ref. No. 977.∅ Included in Valve Gasket Set−Ref. No 1095.

REF. PART REF. PART REF. PARTNO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

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12D300

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.5723−9 Assemblies include all parts shown in frames. 11/02/2010

9

192 797440 Adjuster−Rocker Arm(Metric)(Used After Code Date09061700).−−−−−−− Note −−−−−694543 Adjuster−Rocker Arm(SAE)(Used Before CodeDate 09061800).

209 692571 Spring−Governor209A 691278 Spring−Governor

219 693578 Gear−Governor

220 691724 Washer(Governor Gear)

222 699592 Bracket−Control(Used Before CodeDate 06051500).

222G 793109 Bracket−Control(Used After Code Date06051400).

227 692573 Lever−GovernorControl

238 691300 Cap−Valve268 691025 Control Wire Casing

(Cut to RequiredLength)

269 691026 Control Wire(Cut to RequiredLength)

270 691027 Nut(Control Wire Casing)

271 691028 Lever−Control271A 698038 Lever−Control

276 ��271716 Washer−Sealing276C ��797632 Washer−Sealing281A 793132 Panel−Control

(Used After Code Date06051400).−−−−−−− Note −−−−−696684 Panel−Control(Used Before CodeDate 06051500).793122 Panel−ControlUsed on Type No(s).0117, 0507, 0508,0509, 0517, 0518,0519, 0536.

300 699511 Muffler−−−−−−− Note −−−−−699512 MufflerUsed on Type No(s).0117, 0536.

304 699598 Housing−Blower305 699481 Screw

(Blower Housing)306A 695710 Shield−Cylinder

307 699483 Screw(Cylinder Shield)

307A 699234 Screw(Cylinder Shield)

309A 696818 Motor−Starter−−−−−−− Note −−−−−798884 Motor−Starter(Used After Code Date10043000).Used on Type No(s).0117, 0517, 0518,0519.696818 Motor−Starter(Used Before CodeDate 10050100).Used on Type No(s).0117, 0517, 0518,0519.

318 798649 Screw(Mounting Bracket)(Metric)−−−−−−− Note −−−−−690370 Screw(Mounting Bracket)(SAE)

332A 792723 Nut(Flywheel)

333 695711 Armature−Magneto334 699477 Screw

(Magneto Armature)337 491055S Spark−Plug

356K 695731 Wire−Stop356N 794819 Wire−Stop

358 791797 Set−Engine Gasket

363 19203 Puller−Flywheel365 699484 Screw

(Carburetor)383 19374S Wrench−Spark Plug415 693463 Plug427 798458 Nut

(Control Bracket)(Metric)−−−−−−− Note −−−−−694255 Nut(Control Bracket)(SAE)

441 694262 Bracket−Oil Fill449 699629 Screw

(Oil Fill Bracket)455 692591 Cup−Flywheel456 692299 Plate−Pawl Friction459 281505S Pawl−Rachet472 696691 Knob−Choke Shaft

472B 791958 Knob−Choke Shaft474 793640 Alternator485 695755 Knob−Control

493A 695744 Bracket−Mounting504 694254 Washer Set−Friction505 691251 Nut

(Governor ControlLever)

523 693618 Dipstick524 281370S Seal−Dipstick Tube528 793006 Hose−Primer552 692346 Bushing−Governor

Crank562 691119 Bolt

(Governor ControlLever)

597 691696 Screw(Pawl Friction Plate)

598 220624 Shim−End Play601 791850 Clamp−Hose

604A 793134 Cover−Control608A 699335 Starter−Rewind

� Included in Engine Gasket Set−Ref. No.358.� Included in Carburetor Overhaul Kit−Ref. No. 121.

� Included in Carburetor Gasket Set−Ref. No. 977.∅ Included in Valve Gasket Set−Ref. No 1095.

REF. PART REF. PART REF. PARTNO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

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12D300

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.5723−10 Assemblies include all parts shown in frames. 11/02/2010

10

613 799081 Screw(Muffler)(Metric)−−−−−−− Note −−−−−697812 Screw(Muffler)(SAE)

613A 699481 Screw(Muffler)

615 692576 Retainer−GovernorShaft

616 692547 Crank−Governor619 699481 Screw

(Cylinder Head Plate)621 692310 Switch−Stop632 692653 Spring/Link−

Mechanical Governor635A 692927 Boot−Sparkplug

663 699854 Screw(Control Panel)

676A 697816 Deflector−Muffler677A 699776 Screw

(Muffler Deflector)668 694257 Spacer689 691855 Spring−Friction692 690572 Spring−Detent

692B 797624 Spring−Detent718 690959 Pin−Locating731 794590 Hood−Snow

731C 794703 Hood−Snow731D 794704 Hood−Snow

741 695087 Gear−Timing742 692564 Retainer−E Ring746 790278 Gear−Idler773 694258 Retainer819 699233 Screw

(Muffler Bracket)823 699209 Screw

(Muffler Adapter)824 696017 Gasket−Heat Shield

830 797441 Stud−Rocker Arm(Metric)(Used After Code Date09061700).−−−−−−− Note −−−−−694544 Stud−RockerArm(SAE)(Used Before CodeDate 09061800).

832A 699313 Guard−Muffler836B 699209 Screw

(Muffler Guard)836C 699234 Screw

(Muffler Guard)842 691031 Seal−O Ring

(Dipstick Tube)847 693617 Dipstick/Tube

Assembly851 493880S Terminal−Spark Plug863 699849 Bracket−Muffler864 699232 Adapter−Muffler868 �∅692044 Seal−Valve883 �692237 Gasket−Exhaust

883A �691893 Gasket−Exhaust892 695747 Switch−Key914 699481 Screw

(Rocker Cover)(Bottom)

914A 797444 Screw(Rocker Cover)(Top)(Metric)(Used After Code Date09061700).−−−−−−− Note −−−−−692557 Screw(Top)(SAE)(Used Before CodeDate 09061800).

914B 797444 Screw(Rocker Cover)(Center)(Metric)(Used After Code Date09061700).−−−−−−− Note −−−−−697551 Screw(Rocker Cover)(Center)(SAE)(Used Before CodeDate 09061800).

930 696709 Guard−Rewind957 792647 Cap−Fuel Tank

(Fresh Start)−−−−−−− Note −−−−−795027 Cap−FuelTank(Text Free)

958 698180 Valve−Fuel Shut Off972 694260 Tank−Fuel975 493640 Bowl−Float

975D 798931 Bowl−Float976 790221 Primer−Carburetor

(Snap Fit)−−−−−−− Note −−−−−695750 Primer−Carburetor

990 695756 Key−Set993 �∅694088 Gasket−Cylinder Head

Plate996 794687 Shield−Carburetor

1005 692592 Fan−Flywheel1005A 794273 Fan−Flywheel

1011 794544 Tube−Vent1019 792211 Kit−Label1022 �∅691890 Gasket−Rocker Cover1023 499924 Cover−Rocker Arm1026 790287 Rod−Push1029 797443 Arm−Rocker

(Metric)(Used After Code Date09061700).−−−−−−− Note −−−−−691230 Arm−Rocker(SAE)(Used Before CodeDate 09061800).

1034 691343 Guide−Push Rod1036 Label−Emissions

(Available From AnAuthorized Briggs &Stratton SeviceDealer)

1058 277104 Operator’s Manual1070 699201 Screw

(Flywheel Fan)

� Included in Engine Gasket Set−Ref. No.358.� Included in Carburetor Overhaul Kit−Ref. No. 121.

� Included in Carburetor Gasket Set−Ref. No. 977.∅ Included in Valve Gasket Set−Ref. No 1095.

REF. PART REF. PART REF. PARTNO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

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12D300

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.5723−11 Assemblies include all parts shown in frames. 11/02/2010

11

1095 791798 Gasket Set−Valve1119 699772 Screw

(Alternator)1196 696692 Screw

(Snow Hood)(Carburetor)

1196A 696685 Screw(Snow Hood)(Muffler)

1210 498144 Pulley/Spring Assembly(Pulley)

1211 498144 Pulley/Spring Assembly(Spring)

1224 696824 Nut(Carburetor Primer)

1230 699847 Screw(Control Bracket)

1251 696699 Shield−Snow1251C 794702 Shield−Snow

1252 699629 Screw(Snow Shield)

1319 794467 Label−Warning1330 272147 Repair Manual

� Included in Engine Gasket Set−Ref. No.358.� Included in Carburetor Overhaul Kit−Ref. No. 121.

� Included in Carburetor Gasket Set−Ref. No. 977.∅ Included in Valve Gasket Set−Ref. No 1095.

REF. PART REF. PART REF. PARTNO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

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