F2 - · PDF fileGeneral information 2 EMU25272 Star labels Your outboard motor is labeled with a Califor-nia Air Resources Board (CARB) star label. See below for a

F2.5

OWNER’S MANUAL

LIT-18626-07-0469M-F8199-15

U.S.A.Edition

ZMU01690

Read this owner’s manual carefully before operating your outboard motor.

U69M15E0.book Page 1 Wednesday, April 5, 2006 4:48 PM

Important manual informationEMU31280

To the ownerThank you for choosing a Yamaha outboardmotor. This Owner’s Manual contains infor-mation needed for proper operation, mainte-nance and care. A thorough understanding ofthese simple instructions will help you obtainmaximum enjoyment from your new Yamaha.If you have any question about the operationor maintenance of your outboard motor,please consult a Yamaha dealer.In this Owner’s Manual particularly importantinformation is distinguished in the followingways.

The Safety Alert Symbol means AT-TENTION! BECOME ALERT! YOUR SAFE-TY IS INVOLVED!

WARNINGEWM00780

Failure to follow WARNING instructionscould result in severe injury or death to themachine operator, a bystander, or a per-son inspecting or repairing the outboardmotor.

CAUTION:ECM00700

A CAUTION indicates special precautionsthat must be taken to avoid damage to theoutboard motor.

NOTE:A NOTE provides key information to makeprocedures easier or clearer.

Yamaha continually seeks advancements inproduct design and quality. Therefore, whilethis manual contains the most current productinformation available at the time of printing,there may be minor discrepancies between

your machine and this manual. If there is anyquestion concerning this manual, please con-sult your Yamaha dealer.

NOTE:The F2.5MH and the standard accessoriesare used as a base for the explanations andillustrations in this manual. Therefore someitems may not apply to every model.

EMU25130

F2.5OWNER’S MANUAL

©2006 by Yamaha Motor Corporation, USA

1st Edition, January 2006All rights reserved.

Any reprinting or unauthorized usewithout the written permission ofYamaha Motor Corporation, USA

is expressly prohibited.Printed in France

P/N LIT-18626-07-04


Table of contents

General information ..........................1Identification numbers record.......... 1

Outboard motor serial number ........... 1Emission control information ........... 1

North American models...................... 1Star labels .......................................... 2

Safety information ........................... 3Important labels............................... 4

Warning labels.................................... 4Caution labels..................................... 5

Basic boating rules (Rules of the road) ....................... 5Steering and sailing rules and

sound signals .................................. 5Rules when encountering vessels...... 6Other special situations ...................... 7

Fueling instructions ......................... 9Gasoline ............................................. 9Engine oil............................................ 9

Propeller selection......................... 10

Basic components ..........................11Main components.......................... 11

Fuel tank........................................... 11Fuel tank cap.................................... 12Air vent screw................................... 12Fuel cock .......................................... 12Tiller handle...................................... 12Gear shift lever ................................. 13Throttle grip ...................................... 13Throttle indicator............................... 13Throttle friction adjuster.................... 13Engine stop lanyard switch............... 14Engine stop button ........................... 14Choke knob for pull type................... 14Manual starter handle....................... 14Steering friction adjuster................... 15Trim rod (tilt pin) ............................... 15Tilt support lever for manual tilt

model ............................................ 15Top cowling lock lever

(pull up type) ................................. 15Carrying handle ................................ 16

Operation ......................................... 17Installation..................................... 17

Mounting the outboard motor ........... 17Clamping the outboard motor ........... 18

Breaking in engine ........................ 19Procedure for 4-stroke models ......... 19

Preoperation checks ..................... 19Fuel .................................................. 19Controls ............................................ 19Engine .............................................. 19Checking the engine oil level............ 19

Filling fuel for built-in tank ............. 20Ring Free Fuel Additive.................... 20

Operating engine .......................... 21Feeding fuel...................................... 21Starting engine ................................. 21

Warming up engine....................... 23Manual start models ......................... 23

Shifting .......................................... 23Forward (tiller handle and

remote control models) ................. 23Reverse ............................................ 24

Stopping engine............................ 25Procedure......................................... 25

Trimming outboard motor.............. 25Adjusting trim angle for manual tilt

models .......................................... 26Adjusting boat trim............................ 26

Tilting up and down....................... 27Procedure for tilting up

(manual tilt models)....................... 28Procedure for tilting down

(manual tilt models)....................... 29

Maintenance .................................... 30Specifications................................ 30Transporting and storing

outboard motor .......................... 31Clamp screw mounting models ........ 31Storing outboard motor..................... 32Procedure......................................... 32Lubrication

(except oil injection models).......... 33


Table of contents

Cleaning and anticorrosion measures ...................................... 33

Cleaning the outboard motor............ 33Checking painted surface of motor... 34

Periodic maintenance.................... 34Replacement parts ........................... 34Maintenance chart............................ 35Maintenance chart (additional) ......... 36Greasing........................................... 36Cleaning and adjusting spark plug ... 36Checking fuel system ....................... 37Inspecting idling speed..................... 38Changing engine oil.......................... 38Checking wiring and connectors ...... 40Exhaust leakage............................... 40Water leakage .................................. 40Engine oil leakage ............................ 40Checking propeller ........................... 40Removing the propeller .................... 41Installing the Propeller...................... 41Changing gear oil ............................. 42Inspecting and replacing anode(s) ... 43Checking top cowling ....................... 43Coating the boat bottom................... 43

Trouble Recovery............................ 45Troubleshooting ............................ 45Temporary action in emergency.... 48

Impact damage................................. 48Starter will not operate ..................... 48Emergency Starting Engine.............. 49

Treatment of submerged motor..... 51Procedure......................................... 51

Consumer information ................... 52Important warranty information for

U.S.A. and Canada.................... 52YAMAHA MOTOR

CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY ............... 54

IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA............. 56


General information

1

EMU25170

Identification numbers recordEMU25183

Outboard motor serial numberThe outboard motor serial number is stampedon the label attached to the port side of theclamp bracket.Record your outboard motor serial number inthe spaces provided to assist you in orderingspare parts from your Yamaha dealer or forreference in case your outboard motor is sto-len.

EMU25221

Emission control informationEMU25230

North American modelsThis engine conforms to U.S. EnvironmentalProtection Agency (EPA) regulations for ma-rine SI engines. See the label affixed to yourengine for details.

EMU25242

Approval label of emission control certifi-cateThis label is attached to the bottom cowling.New Technology; (4-stroke/HPDI) EM

EMU25262

Manufactured date labelThis label is attached to the clamp bracket orthe swivel bracket.

1. Outboard motor serial number location

1. Approval label location

1. Manufactured date label location


General information

2

EMU25272

Star labelsYour outboard motor is labeled with a Califor-nia Air Resources Board (CARB) star label.See below for a description of your particularlabel.

EMU25280

One Star—Low EmissionThe one-star label identifies engines thatmeet the Air Resources Board’s 2001 ex-haust emission standards. Engines meetingthese standards have 75% lower emissionsthan conventional carbureted two-stroke en-gines. These engines are equivalent to theU.S. EPA’s 2006 standards for marine en-gines.

EMU25290

Two Stars—Very Low EmissionThe two-star label identifies engines that meetthe Air Resources Board’s 2004 exhaustemission standards. Engines meeting thesestandards have 20% lower emissions thanOne Star-Low-Emission engines.

EMU25300

Three Stars—Ultra Low EmissionThe three-star label identifies engines thatmeet the Air Resources Board’s 2008 ex-haust emission standards. Engines meetingthese standards have 65% lower emissionsthan One Star-Low-Emission engines.

1. Star labels location

Manufactured:

ZMU04346 ZMU01702

ZMU01703


General information

3

EMU25362

Safety information� Before mounting or operating the outboard

motor, read this entire manual. Reading itshould give you an understanding of themotor and its operation.

� Before operating the boat, read any own-er’s or operator’s manuals supplied with itand all labels. Be sure you understand eachitem before operating.

� Do not overpower the boat with this out-board motor. Overpowering the boat couldresult in loss of control. The rated power ofthe outboard should be equal to or less thanthe rated horsepower capacity of the boat.If the rated horsepower capacity of the boatis unknown, consult the dealer or boat man-ufacturer.

� Do not modify the outboard. Modificationscould make the motor unfit or unsafe to use.

� Incorrect propeller selection and incorrectuse may not only cause engine damage,but also adversely affect fuel consumption.Consult your dealer for correct use.

� Never operate after drinking alcohol or tak-ing drugs. About 50% of all boating fatalitiesinvolve intoxication.

� Have an approved personal flotation device(PFD) on board for every occupant. It is agood idea to wear a PFD whenever boat-

ing. At a minimum, children and non-swim-mers should always wear PFDs, andeveryone should wear PFDs when thereare potentially hazardous boating condi-tions.

� Gasoline is highly flammable, and its va-pors are flammable and explosive. Handleand store gasoline carefully. Make surethere are no gas fumes or leaking fuel be-fore starting the engine.

� This product emits exhaust gases whichcontain carbon monoxide, a colorless,odorless gas which may cause brain dam-age or death when inhaled. Symptoms in-clude nausea, dizziness, and drowsiness.Keep cockpit and cabin areas well ventilat-ed. Avoid blocking exhaust outlets.

� Check throttle, shift, and steering for properoperation before starting the engine.

� Attach the engine stop switch lanyard cordto a secure place on your clothing, or yourarm or leg while operating. If you acciden-tally leave the helm, the cord will pull fromthe switch, stopping the engine.

� Know the marine laws and regulationswhere you will be boating—and obey them.For basic boating rules, see “Rules of theroad” on page 5.

� Stay informed about the weather. Checkweather forecasts before boating. Avoidboating in hazardous weather.

� Tell someone where you are going: leave aFloat Plan with a responsible person. Besure to cancel the Float Plan when you re-turn.

� Use common sense and good judgmentwhen boating. Know your abilities, and besure you understand how your boat han-dles under the different boating conditionsyou may encounter. Operate within your

ZMU01704


General information

4

limits, and the limits of your boat. Alwaysoperate at safe speeds, and keep a carefulwatch for obstacles and other traffic.

� Always watch carefully for swimmers duringthe engine operation.

� Stay away from swimming areas.� When a swimmer is in the water near you

shift into neutral and shut off the engine.� Do not illegally discard empty containers

used to replace or replenish oil. For the cor-rect processing of empty containers, con-sult the dealer where you purchased the oil.

� When replacing oils used to lubricate theproduct (engine or gear oil), be sure to wipeaway any spilt oil. Never pour oil without us-ing a funnel or similar device. If necessary,verify the necessary replacement proce-dure with the dealer.

� Never illegally discard (dump) the product.Yamaha recommends consulting the deal-er on discarding the product.

Be informed about boating safety. Additionalpublications and information can be obtainedfrom many organizations, including the follow-ing:United States Coast GuardConsumer Affairs Staff (G-BC) Office of Boating, Public, and Consumer Af-fairs U.S. Coast Guard Headquarters Washington, D.C. 20593-0001 Boating Safety Hotline: 1-800-368-5647National Marine Manufacturers Associa-tion (NMMA)401 N. Michigan Ave. Chicago, Il 60611Marine Retailers Association of America155 N. Michigan Ave. Chicago, Il 60601

EMU25382

Important labelsEMU25395

Warning labels

EMU25401

Label

WARNINGEWM01260

� Be sure shift control is in neutral beforestarting engine. (except 2HP)

� Do not touch or remove electrical partswhen starting or during operation.

� Keep hands, hair, and clothes away fromflywheel and other rotating parts whileengine is running.

EMU25441

Label

WARNINGEWM01311

LEAKING FUEL COULD CAUSE A FIRE.Before tilting up the engine or laying it onits side:


General information

5

� Turn the fuel cock to the “closed” posi-tion.

� Tighten the air-vent screw on the fueltank cap.

EMU25465

Caution labels

EMU25482

Label

CAUTION:ECM01201

Store the engine only as shown.Otherwise, engine damage could resultfrom leaking oil.

EMU25500

Basic boating rules (Rules of the road)

Just as there are rules which apply when youare driving on streets and high ways, thereare waterway rules which apply when you aredriving your boat. These rules are used inter-nationally, and are also enforced by the Unit-

ed States Coast Guard and local agencies.You should be aware of these rules, and fol-low them whenever you encounter anothervessel on the water.Several sets of rules prevail according to geo-graphic location, but are all basically the sameas the International Rules of the Road. Therules presented here in your Owner’s Manualare condensed, and have been provided foryour convenience only. Consult your localU.S. Coast Guard Auxiliary or Department ofMotor Vehicles for a complete set of rulesgoverning the waters in which you will be us-ing your boat.EMU25510

Steering and sailing rules and sound signalsWhenever two vessels on the water meet oneanother, one vessel has the right-of-way; it iscalled the “stand-on” vessel. The vesselwhich does not have the right-of-way is calledthe “give-way” or “burdened” vessel. Theserules determine which vessel has the right-of-way, and what each vessel should do.Stand-on vesselThe vessel with the right-of-way has the dutyto continue its course and speed, except toavoid an immediate collision. When you main-tain your direction and speed, the other vesselwill be able to determine how best to avoidyou.Give-way vesselThe vessel which does not have the right-of-way has the duty to take positive and timelyaction to stay out of the way of the Stand-Onvessel. Normally, you should not cross in frontof the vessel with the right-of-way. You shouldslow down or change directions briefly andpass behind the other vessel. You should al-ways move in such a way that the operator ofthe other vessel can see what you are doing.


General information

6

“The general prudential rule”This rule is called Rule 2 in the InternationalRules and says,“In obeying and construing these rules due re-gard shall be had to all dangers of navigationand collision, and to any special circumstanc-es, which may render a departure from theabove rules necessary in order to avoid im-mediate danger.”In other words, follow the standard rules ex-cept when a collision will occur unless bothvessels try to avoid each other. If that is thecase, both vessels become “Give-Way” ves-sels.EMU25520

Rules when encountering vesselsThere are three main situations which youmay encounter with other vessels which couldlead to a collision unless the Steering Rulesare followed:Meeting: (you are approaching another ves-sel head-on)Crossing: (you are traveling across the othervessel’s path)Overtaking: (you are passing or beingpassed by another vessel)In the following illustration, your boat is in thecenter. You should give the right-of-way toany vessels shown in white area (you are theGive-Way vessel). Any vessels in the shadedarea must yield to you (they are the Give-Wayvessels). Both you and the meeting vesselmust alter course to avoid each other.

MeetingIf you are meeting another power vessel headon, and are close enough to run the risk of col-lision, neither of you has the right-of-way!Both of you should alter course to avoid an ac-cident. You should keep the other vessel onyour port (left) side. This rule doesn’t apply ifboth of you will clear one another if you con-tinue on your set course and speed.

CrossingWhen two power driven vessels are crossingeach other’s path close enough to run the riskof collision, the vessel which has the other onthe starboard (right) side must keep out of theway of the other. If the other vessel is on yourright, you must keep out of its way; you are theGive-Way vessel. If the other vessel is onyour port (left) side, remember that youshould maintain course and direction, provid-ed the other vessel gives you the right-of-wayas it should.


General information

7

OvertakingIf you are passing another vessel, you are the“Give-Way” vessel. This means that the othervessel is expected to maintain its course andspeed. You must stay out of its way until youare clear of it. Likewise, if another vessel ispassing you, you should maintain your speedand direction so that the other vessel cansteer itself around you.EMU25530

Other special situationsThere are three other rules you should beaware of when driving your boat around othervessels.Narrow channels and bendsWhen navigating in narrow channels, youshould keep to the right when it is safe andpractical to do so. If the operator of a power-driven vessel is preparing to go around abend that may obstruct the view of other watervessels, the operator should sound a pro-longed blast on the whistle (4 to 6 seconds). Ifanother vessel is around the bend, it tooshould sound the whistle. Even if no reply isheard, however, the vessel should still pro-ceed around the bend with caution. If you nav-igate such waters with your boat, you willneed to carry a portable air horn, availablefrom local marine supply stores.

Fishing vessel right-of-wayAll vessels which are fishing with nets, lines ortrawls are considered to be “fishing vessels”under the International Rules. Vessels withtrolling lines are not considered fishing ves-sels. Fishing vessels have the right-of-way re-gardless of position. Fishing vessels cannot,however, impede the passage of other ves-sels in narrow channels.Sailing vessel right-of-waySailing vessels should normally be given theright-of-way. The exceptions to this are:1. When the sailing vessel is overtaking the

power-driven vessel, the power-drivenvessel has the right-of-way.

2. Sailing vessels should keep clear of anyfishing vessel.

3. In a narrow channel, a sailing vesselshould not hamper the safe passage of apower-driven vessel which can navigateonly in such a channel.

Reading buoys and other markersThe waters of the United states are markedfor safe navigation by the lateral system ofbuoyage. Simply put, buoys and markershave an arrangement of shapes, colors, num-bers and lights to show which side of the buoya boater should pass on when navigating in aparticular direction. The markings on thesebuoys are oriented from the perspective of be-ing entered from seaward (the boater is goingtowards the port). This means that red buoysare passed on the starboard (right) side whenproceeding from open water into port, andblack buoys are to port (left) side. When navi-gating out of port, your position with respect tothe buoys should be reversed; red buoysshould be to port and black buoys to star-board.Many bodies of water used by boaters are en-tirely within the boundaries of a particularstate. The Uniform State Waterway Marking


General information

8

System has been devised for these waters.This system uses buoys and signs with dis-tinctive shapes and colors to show regulatoryor advisory information. These markers arewhite with black letters and orange boarders.They signify speed zones, restricted areas,danger areas, and general information.

Remember, markings may vary by geograph-ic location. Always consult local boating au-thorities before driving your boat in unfamiliarwaters.

ZMU01708


General information

9

EMU31490

Fueling instructions

WARNINGEWM01490

GASOLINE AND ITS VAPORS ARE HIGH-LY FLAMMABLE AND EXPLOSIVE!� Do not smoke when refueling, and keep

away from sparks, flames, or othersources of ignition.

� Stop engine before refueling.� Refuel in a well-ventilated area.� Take care not to spill gasoline. If gaso-

line spills, wipe it up immediately withdry rags.

� Do not overfill the fuel tank.� Tighten the filler cap securely after refu-

eling.� If you should swallow some gasoline, in-

hale a lot of gasoline vapor, or get gaso-line in your eyes, get immediate medicalattention.

� If any gasoline spills onto your skin, im-mediately wash with soap and water.Change clothing if gasoline spills on it.

� Touch the fuel nozzle to the filler open-ing or funnel to help prevent electrostat-ic sparks.

CAUTION:ECM00010

Use only new clean gasoline which hasbeen stored in clean containers and is notcontaminated with water or foreign matter.

EMU25570

GasolineIf knocking or pinging occurs, use a differentbrand of gasoline or premium unleaded fuel.

GasoholThere are two types of gasohol: gasohol con-taining ethanol and that containing methanol.Gasohol containing ethanol can be used ifethanol content does not exceed 10% and thefuel meets minimum octane ratings. Yamahadoes not recommended gasohol containingmethanol because it can cause fuel systemdamage or engine performance problems.EMU31440

Engine oil

NOTE:If the recommended engine oil grades are notavailable, select an alternative from the fol-lowing chart according to the average temper-atures in your area.

Recommended gasoline:Regular unleaded gasoline with a mini-mum octane rating of 86 (Pump Oc-tane Number) = (R+M)/2

Recommended engine oil:YAMALUBE 4-M FC-W oil or 4-stroke motor oil with a combination of the fol-lowing SAE and API oil classifications

Engine oil type SAE:10W-30 or 10W-40

Engine oil grade API:SE, SF, SG, SH, SJ, SL

Engine oil quantity (excluding oil filter):0.35 L (0.37 US qt) (0.31 Imp.qt)


General information

10

CAUTION:ECM01050

All 4-stroke engines are shipped from thefactory without engine oil.

EMU25742

Propeller selectionThe performance of your outboard motor willbe critically affected by your choice of propel-ler, as an incorrect choice could adversely af-fect performance and could also seriouslydamage the motor. Engine speed depends onthe propeller size and boat load. If enginespeed is too high or too low for good engineperformance, this will have an adverse effecton the engine.Yamaha outboard motors are fitted with pro-pellers chosen to perform well over a range ofapplications, but there may be uses where apropeller with a different pitch would be moreappropriate. For a greater operating load, asmaller-pitch propeller is more suitable as itenables the correct engine speed to be main-tained. Conversely, a larger-pitch propeller ismore suitable for a smaller operating load.Yamaha dealers stock a range of propellers,and can advise you and install a propeller onyour outboard that is best suited to your appli-cation.

NOTE:Select a propeller which will allow the engineto reach the middle or upper half of the oper-ating range at full throttle with the maximumboat load. If operating conditions such as lightboat loads then allow the engine r/min to riseabove the maximum recommended range, re-duce the throttle setting to maintain the en-gine in the proper operating range.

For instructions on propeller removal and in-stallation, see page 40.

ZMU01710

1. Propeller diameter in inches2. Propeller pitch in inches3. Type of propeller (propeller mark)

ZMU04604

-x1 2 3


Basic components

11

EMU25797

Main components

NOTE:* May not be exactly as shown; also may not be included as standard equipment on all models.

EMU25821

Fuel tankIf your model included a fuel tank, its partsand functions are as follows.

1. Top cowling2. Top cowling lock lever3. Carrying handle4. Steering friction screw5. Anti-cavitation plate6. Propeller7. Cooling water inlet8. Trim rod9. Clamp bracket10.Tiller handle11.Air vent screw12.Fuel tank cap13.Manual starter handle14.Engine stop button/Engine stop lanyard

switch15.Clamp screw16.Rope attachment

17.Gear shift lever18.Choke knob


Basic components

12

EMU25850

Fuel tank capThis cap seals the fuel tank. When removed,the tank can be filled with fuel. To remove thecap, turn it counterclockwise.EMU25860

Air vent screwThis screw is on the fuel tank cap. To loosenthe screw, turn it counterclockwise.EMU25872

Fuel cockThe fuel cock turns on and off the supply offuel from the fuel tank to the engine.

EMU25881

CloseTo stop fuel flow to the engine, turn the leveror knob to close position.Always turn the lever or knob to close positionwhen the engine is not running.

EMU25891

OpenWith the lever/knob in this position, fuel flowsto the carburetor.Normal running is done with the lever/knob inthis position.

EMU25911

Tiller handleTo change direction, move the tiller handle tothe left or right as necessary.

1. Fuel tank cap2. Air vent screw

1. Fuel cock

1. Close position

1. Open position


Basic components

13

EMU25930

Gear shift leverPulling the gear shift lever towards you putsthe engine in forward gear so that the boatmoves ahead.

EMU25941

Throttle gripThe throttle grip is on the tiller handle. Turnthe grip counterclockwise to increase speedand clockwise to decrease speed.

EMU25961

Throttle indicatorThe fuel consumption curve on the throttle in-dicator shows the relative amount of fuel con-sumed for each throttle position. Choose thesetting that offers the best performance andfuel economy for the desired operation.

EMU25971

Throttle friction adjusterA friction device provides adjustable resis-tance to movement of the throttle grip or theremote control lever, and can be set accord-ing to operator preference.To increase resistance, turn the adjusterclockwise. To decrease resistance, turn theadjuster counterclockwise.

WARNINGEWM00031

Do not overtighten the friction adjuster. Ifthere is too much resistance, it could bedifficult to move the remote control leveror throttle grip, which could result in anaccident.

When constant speed is desired, tighten theadjuster to maintain the desired throttle set-ting.

1. Forward “ ”2. Neutral “ ”

1. Throttle indicator


Basic components

14

EMU25990

Engine stop lanyard switchThe lock plate must be attached to the enginestop switch for the engine to run. The lanyardshould be attached to a secure place on theoperator’s clothing, or arm or leg. Should theoperator fall overboard or leave the helm, thelanyard will pull out the lock plate, stopping ig-nition to the engine. This will prevent the boatfrom running away under power.

WARNINGEWM00120

� Attach the engine stop switch lanyard toa secure place on your clothing, or yourarm or leg while operating.

� Do not attach the lanyard to clothingthat could tear loose. Do not route thelanyard where it could become entan-gled, preventing it from functioning.

� Avoid accidentally pulling the lanyardduring normal operation. Loss of enginepower means the loss of most steeringcontrol. Also, without engine power, theboat could slow rapidly. This couldcause people and objects in the boat tobe thrown forward.

NOTE:The engine cannot be started with the lockplate removed.

EMU26001

Engine stop buttonTo open the ignition circuit and stop the en-gine, push this button.

EMU26011

Choke knob for pull typeTo supply the engine with the rich fuel mixturerequired to start, pull out this knob.

EMU26070

Manual starter handleTo start the engine, first gently pull the handleout until resistance is felt. From that position,then pull the handle straight out quickly tocrank the engine.

1. Lock plate2. Lanyard


Basic components

15

EMU26122

Steering friction adjusterA friction device provides adjustable resis-tance to the steering mechanism, and can beset according to operator preference. An ad-justing screw or bolt is located on the swivelbracket.

To increase resistance, turn the adjusterclockwise.To decrease resistance, turn the adjustercounterclockwise.

WARNINGEWM00040

Do not overtighten the friction adjuster. Ifthere is too much resistance, it could bedifficult to steer, which could result in anaccident.

EMU26261

Trim rod (tilt pin)The position of the trim rod determines theminimum trim angle of the outboard motor inrelation to the transom.

EMU30200

Tilt support lever for manual tilt modelTo keep the outboard motor in the tilted up po-sition, lock the tilt support lever to the clampbracket.

EMU26382

Top cowling lock lever (pull up type)To remove the engine top cowling, pull up thelock lever(s) and lift off the cowling. When in-stalling the cowling, check to be sure it fitsproperly in the rubber seal. Then lock thecowling by moving the lever(s) downward.


Basic components

16

EMU26450

Carrying handleA carrying handle is provided on the rear ofthe outboard motor. It enables you to carry theoutboard motor easily with one hand.


Operation

17

EMU26901

Installation

CAUTION:ECM00110

Incorrect engine height or obstructions tosmooth water flow (such as the design orcondition of the boat, or accessories suchas transom ladders or depth finder trans-ducers) can create airborne water spraywhile the boat is cruising. Severe enginedamage may result if the motor is operat-ed continuously in the presence of air-borne water spray.

NOTE:During water testing check the buoyancy ofthe boat, at rest, with its maximum load.Check that the static water level on the ex-haust housing is low enough to prevent waterentry into the powerhead, when water risesdue to waves when the outboard is not run-ning.

EMU26910

Mounting the outboard motor

WARNINGEWM00820

� Overpowering a boat could cause se-vere instability. Do not install an out-board motor with more horsepower thanthe maximum rating on the capacityplate of the boat. If the boat does nothave a capacity plate, consult the boatmanufacturer.

� The information presented in this sec-tion is intended as reference only. It isnot possible to provide complete in-structions for every possible boat andmotor combination. Proper mountingdepends in part on experience and thespecific boat and motor combination.

WARNINGEWM00830

Improper mounting of the outboard motorcould result in hazardous conditions suchas poor handling, loss of control, or firehazards. Observe the following:� For permanently mounted models, your

dealer or other person experienced inproper rigging should mount the motor.If you are mounting the motor yourself,you should be trained by an experiencedperson.

� For portable models, your dealer or oth-er person experienced in proper out-board motor mounting should show youhow to mount your motor.

Mount the outboard motor on the center line(keel line) of the boat, and ensure that theboat itself is well balanced. Otherwise theboat will be hard to steer. For boats without akeel or which are asymmetrical, consult yourdealer.

EMU26920

Mounting heightTo run your boat at optimum efficiency, thewater resistance (drag) of the boat and out-board motor must be made as little as possi-ble. The mounting height of the outboardmotor greatly affects the water resistance. Ifthe mounting height is too high, cavitation

1. Center line (keel line)

ZMU017601


Operation

18

tends to occur, thus reducing the propulsion;and if the propeller tips cut the air, the enginespeed will rise abnormally and cause the en-gine to overheat. If the mounting height is toolow, the water resistance will increase andthereby reduce engine efficiency. Mount theoutboard motor so that the anti-cavitationplate is between the bottom of the boat and alevel 25 mm (1 in.) below it.

NOTE:� The optimum mounting height of the out-

board motor is affected by the boat and mo-tor combination and the desired use. Testruns at different heights can help determinethe optimum mounting height. Consult yourYamaha dealer or boat manufacturer forfurther information on determining the prop-er mounting height.

� For instructions on setting the trim angle ofthe outboard motor, see page 25.

EMU26970

Clamping the outboard motor1. Place the outboard motor on the transom

so that it is positioned as close to the cen-ter as possible. Tighten the transomclamp screws evenly and securely. Oc-casionally check the clamp screws fortightness during operation of the out-board motor because they could becomeloose due to engine vibration.

WARNINGEWM00640

Loose clamp screws could allow the out-board motor to fall off or move on the tran-som. This could cause loss of control andserious injury. Make sure the transomscrews are tightened securely. Occasion-ally check the screws for tightness duringoperation.

2. If the engine restraint cable attachment isequipped on your engine, an engine re-straint cable or chain should be used. At-tach one end to the engine restraint cableattachment and the other to a securemounting point on the boat. Otherwisethe engine could be completely lost if itaccidentally falls off the transom.

3. Secure the clamp bracket to the transomusing the bolts provided with the out-board (if packed). For details, consultyour Yamaha dealer.

ZMU02012


Operation

19

WARNINGEWM00650

Avoid using bolts, nuts or washers otherthan those contained in the engine pack-aging. If used, they must be of at least thesame quality of material and strength andmust be tightened securely. After tighten-ing, test run the engine and check theirtightness.

EMU30173

Breaking in engineYour new engine requires a period of break-into allow mating surfaces of moving parts towear in evenly. Correct break-in will help en-sure proper performance and longer enginelife.

CAUTION:ECM00800

Failure to follow the break-in procedurecould result in reduced engine life or evensevere engine damage.

EMU27081

Procedure for 4-stroke modelsRun the engine under load (in gear with a pro-peller installed) for 10 hours as follows.1. First hour:

Run the engine at 2000 r/min or at ap-proximately half throttle.

2. Second hour:Run the engine at 3000 r/min or at ap-proximately three-quarter throttle.

3. Remaining eight hours:Run the engine at any speed. However,avoid operating at full throttle for morethan 5 minutes at a time.

4. After the first 10 hours:Operate the engine normally.

EMU27102

Preoperation checks

WARNINGEWM00080

If any item in the preoperation check is notworking properly, have it inspected andrepaired before operating the outboardmotor. Otherwise an accident could occur.

CAUTION:ECM00120

Do not start the engine out of water. Over-heating and serious engine damage canoccur.

EMU31500

Fuel� Check to be sure you have plenty of fuel for

your trip.� Make sure there are no fuel leaks or gaso-

line fumes.EMU27130

Controls� Check throttle, shift, and steering for proper

operation before starting the engine.� The controls should work smoothly, without

binding or unusual free play.� Look for loose or damaged connections.� Check operation of the starter and stop

switches when the outboard motor is in thewater.

EMU27140

Engine� Check the engine and engine mounting.� Look for loose or damaged fasteners.� Check the propeller for damage.EMU30212

Checking the engine oil level1. Put the outboard motor in an upright po-

sition (not tilted).2. Check the oil level using the oil level

check window to be sure the level fallsbetween the upper and lower marks. Fill


Operation

20

with oil if it is below the lower mark, ordrain to the specified level if it is abovethe upper mark.

EMU30850

Filling fuel for built-in tank

WARNINGEWM00060

Gasoline and its vapors are highly flam-mable and explosive. Keep away fromsparks, cigarettes, flames, or other sourc-es of ignition.

1. With the outboard motor tilted down (inthe vertical running position), remove thefuel tank cap.

2. Use a funnel if the nozzle on the fuel canor pump is not small enough or longenough to fit into the mouth of the fueltank.

3. Fill the fuel tank carefully.4. Securely close the cap after refueling.

Wipe up any spilled fuel.

EMU27270

Ring Free Fuel AdditiveGasoline is a precise blend of many differentsubstances, each chosen to give certain char-acteristics. Gasoline blends have beenchanging in recent years in response to con-cerns about pollution and resulting emissionsregulations. One of the most obvious changeshas been the elimination of lead from most fu-els.As gasoline has changed, the amount of addi-tives such as aromatics and oxygenates hasincreased. These additives are important forthe engines in passenger cars, but they canhave detrimental effects in marine engines,because of increased deposits in the combus-tion chamber. When enough deposits collect,piston rings begin sticking. Performancedrops and engine wear increases dramatical-ly.While many additives available may reducedeposits, Yamaha recommends the use ofRing Free Fuel Additive, available from yourYamaha dealer. Ring Free Fuel Additivehas repeatedly proven its ability to clean com-bustion deposits from inside the engine, nota-bly the critical piston-ring-land area, and fuelsystem components. Follow product labelingfor use instructions.

1. Oil level check window

1. Lower level mark2. Upper level mark

Fuel tank capacity:0.9 L (0.24 US gal) (0.20 Imp.gal)


Operation

21

EMU27450

Operating engineEMU31510

Feeding fuel

WARNINGEWM00420

� Before starting the engine, make surethat the boat is tightly moored and thatyou can steer clear of any obstructions.Be sure there are no swimmers in thewater near you.

� When the air vent screw is loosened,gasoline vapor will be released. Gaso-line is highly flammable, and its vaporsare flammable and explosive. Refrainfrom smoking, and keep away fromopen flames and sparks while looseningthe air vent screw.

� This product emits exhaust gases whichcontain carbon monoxide, a colorless,odorless gas which could cause braindamage or death when inhaled. Symp-toms include nausea, dizziness, anddrowsiness. Keep cockpit and cabin ar-eas well ventilated. Avoid blocking ex-haust outlets.

1. Loosen the air vent screw on the fuel tankcap by one turn.

2. Open the fuel cock.

EMU27490

Starting engineEMU27522

Manual start models1. Place the gear shift lever in neutral.

WARNINGEWM00110

Always start the engine in neutral to avoidaccidentally moving the boat.

2. If the engine stop switch lanyard isequipped, attach it to a secure place onyour clothing, or your arm or leg. Then in-stall the lock plate on the other end of thelanyard into the engine stop switch.

WARNINGEWM00120

� Attach the engine stop switch lanyard toa secure place on your clothing, or yourarm or leg while operating.


Operation

22

� Do not attach the lanyard to clothingthat could tear loose. Do not route thelanyard where it could become entan-gled, preventing it from functioning.


3. Place the throttle grip in the “ ”(start) position.

4. Place the choke knob in the “ ”(start) position. After the engine starts, re-turn the knob to the “ ” (run) position.

NOTE:� When restarting a warm engine, place the

choke knob in the “ ” (run) position.� If the choke knob is left in the “ ” (start)

position while the engine is running, the en-gine will run poorly or stall.

5. Pull the manual starter handle slowly untilyou feel resistance. Then give a strongpull straight out to start the engine. Re-peat if necessary.

6. After the engine starts, slowly return themanual starter handle to the original posi-tion before releasing it.

7. Slowly return the throttle grip to the fullyclosed position.

NOTE:� When the engine is cold, it needs to be

warmed up. For further information, seepage 23.


Operation

23

� If the engine does not start on the first try,repeat the procedure. If the engine fails tostart after 4 or 5 tries, open the throttle asmall amount (between 1/8 and 1/4) and tryagain. Also if the engine is warm and fails tostart, open the throttle a same amount andtry to start the engine again. If the enginestill fails to start, see page 45.

EMU27670

Warming up engineEMU27732

Manual start models1. After starting the engine, return the choke

knob to the halfway position. For approx-imately the first 5 minutes after starting,warm up the engine by operating at onefifth throttle or less. After the engine haswarmed up, push the choke knob in fully.Failure to do so will shorten engine life.

NOTE:� If the choke knob is left pulled out after the

engine starts, the engine will stall.� In temperatures of -5°C or less, leave the

choke knob pulled out fully for approximate-ly 30 seconds after starting.

2. Check for a steady flow of water from thecooling water pilot hole.

CAUTION:ECM00511

A continuous flow of water from the cool-ing water pilot hole shows that the waterpump is pumping water through the cool-ing passages. If water is not flowing out ofthe hole at all times while the engine isrunning, overheating and serious damagecould occur. Stop the engine and checkwhether the cooling water inlet on the low-er case or the cooling water pilot hole is

blocked. Consult your Yamaha dealer ifthe problem cannot be located and cor-rected.

EMU27740

Shifting

WARNINGEWM00180

Before shifting, make sure there are noswimmers or obstacles in the water nearyou.

CAUTION:ECM00220

To change the boat direction or shiftingposition from forward to reverse or vice-versa, first close the throttle so that the en-gine idles (or runs at low speeds).

EMU27764

Forward (tiller handle and remote con-trol models)Tiller handle models1. Place the throttle grip in the fully closed

position.


Operation

24

2. Move the gear shift lever quickly and firm-ly from neutral to forward.

Remote control modelsPull up the neutral interlock trigger (ifequipped) and move the remote control leverquickly and firmly from neutral to forward.EMU27811

Reverse

WARNINGEWM00190

When operating in reverse, go slowly. Donot open the throttle more than half. Other-wise the boat could become unstable,which could result in loss of control andan accident.

1. Place the throttle grip in the fully closedposition.

2. Turn the outboard motor around 180°,and then move the tiller handle so that itis facing toward the bow.

NOTE:The outboard motor can be turned a full 360°in its bracket (full-pivot system).

3. Move the gear shift lever quickly and firm-ly from neutral to forward.


Operation

25

EMU27820

Stopping engineBefore stopping the engine, first let it cool offfor a few minutes at idle or low speed. Stop-ping the engine immediately after operating athigh speed is not recommended.EMU31520

Procedure1. Push and hold the engine stop button un-

til the engine comes to a complete stop.

2. After stopping the engine, tighten the airvent screw on the fuel tank cap and setthe fuel cock to the closed position.

NOTE:The engine can also be stopped by pulling thelanyard and removing the lock plate from theengine stop switch.

EMU27861

Trimming outboard motorThe trim angle of the outboard motor helpsdetermine the position of the bow of the boatin the water. Correct trim angle will help im-prove performance and fuel economy whilereducing strain on the engine. Correct trim an-gle depends upon the combination of boat,engine, and propeller. Correct trim is also af-fected by variables such as the load in theboat, sea conditions, and running speed.

WARNINGEWM00740

Excessive trim for the operating condi-tions (either trim up or trim down) cancause boat instability and can make steer-ing the boat more difficult. This increasesthe possibility of an accident. If the boatbegins to feel unstable or is hard to steer,slow down and/or readjust the trim angle.

1. Trim operating angle


Operation

26

EMU27872

Adjusting trim angle for manual tilt modelsThere are 4 or 5 holes provided in the clampbracket to adjust the outboard motor trim an-gle.1. Stop the engine.2. Tilt the outboard motor up, and then re-

move the trim rod from the clamp bracket.

3. Reposition the rod in the desired hole.To raise the bow (“trim-out”), move the rodaway from the transom.To lower the bow (“trim-in”), move the rod to-ward the transom.Make test runs with the trim set to different an-gles to find the position that works best foryour boat and operating conditions.

WARNINGEWM00400

� Stop the engine before adjusting thetrim angle.

� Use care to avoid being pinched whenremoving or installing the rod.

� Use caution when trying a trim positionfor the first time. Increase speed gradu-ally and watch for any signs of instabilityor control problems. Improper trim an-gle can cause loss of control.

NOTE:The outboard motor trim angle can bechanged approximately 4 degrees by shiftingthe trim rod one hole.

EMU27911

Adjusting boat trimWhen the boat is on plane, a bow-up attituderesults in less drag, greater stability and effi-ciency. This is generally when the keel line ofthe boat is up about 3 to 5 degrees. With thebow up, the boat may have a greater tenden-cy to steer to one side or the other. Compen-sate for this as you steer. The trim tab canalso be adjusted to help offset this effect.When the bow of the boat is down, it is easierto accelerate from a standing start onto plane.

Bow UpToo much trim-out puts the bow of the boattoo high in the water. Performance and econ-omy are decreased because the hull of theboat is pushing the water and there is more airdrag. Excessive trim-out can also cause thepropeller to ventilate, which reduces perfor-mance further, and the boat may “porpoise”(hop in the water), which could throw the op-erator and passengers overboard.

1. Trim rod


Operation

27

Bow DownToo much trim-in causes the boat to “plow”through the water, decreasing fuel economyand making it hard to increase speed. Operat-ing with excessive trim-in at higher speedsalso makes the boat unstable. Resistance atthe bow is greatly increased, heightening thedanger of “bow steering” and making opera-tion difficult and dangerous.

NOTE:Depending on the type of boat, the outboardmotor trim angle may have little effect on thetrim of the boat when operating.

EMU27921

Tilting up and downIf the engine will be stopped for some time orif the boat is moored in shallows, the outboardmotor should be tilted up to protect the propel-ler and casing from damage by collision withobstructions, and also to reduce salt corro-sion.

WARNINGEWM00220

Be sure all people are clear of the out-board motor when tilting up and down,also be careful not to pinch any body partsbetween the drive unit and engine bracket.

WARNINGEWM00230

Leaking fuel is a fire hazard. Tighten theair vent screw and place the fuel cock inthe closed position if the outboard motorwill be tilted for more than a few minutes.Otherwise fuel may leak.

CAUTION:ECM00231

� Before tilting the outboard motor, followthe procedure under “Stopping engine”in this chapter. Never tilt the outboardmotor while the engine is running. Se-vere damage from overheating can re-sult.

� Do not tilt up the engine by pushing thetiller handle because this could breakthe handle.

� Keep the power unit higher than the pro-peller at all times. Otherwise water couldrun into the cylinder and cause damage.

� The outboard motor cannot be tiltedwhen in reverse or when the outboardmotor is turned 180° (facing the rear).


Operation

28

EMU27964

Procedure for tilting up (manual tilt models)1. Place the gear shift lever in neutral (if

equipped) and face the outboard motorforward.

2. On full-pivot system models, tighten thesteering friction adjuster by turning itclockwise to prevent the motor from turn-ing freely.

3. Tighten the air vent screw. On modelsequipped with a fuel joint, disconnect thefuel line from the outboard motor.

4. Close the fuel cock.

5. Tilt support bar equipped models: Holdthe rear of the top cowling or the rear han-dle (if equipped) with one hand and tilt theoutboard motor up fully until the tilt sup-port bar automatically locks.

6. Tilt support knob equipped models: Holdthe rear of the top cowling with one hand,fully tilt the outboard motor up, and pushthe tilt support knob into the clamp brack-et.

7. Tilt support lever equipped models: Holdthe rear handle and tilt the engine up fullyuntil the tilt support lever automaticallylocks.

NOTE:Tilt support lever/bar equipped models: If themotor is not facing forward, the tilt support le-ver/bar cannot automatically turn to the


Operation

29

locked position. If the tilt support lever/bardoes not automatically lock, swing the motora little to the left and right.

EMU28032

Procedure for tilting down (manual tilt models)1. Slightly tilt the outboard motor up.2. If equipped with the tilt support bar: Slow-

ly tilt the outboard motor down while pull-ing the tilt support bar lever up.

3. If equipped with the tilt support knob: Pullthe knob out, and then slowly tilt the out-board motor down.

4. If equipped with the tilt support lever:Slowly tilt the outboard motor down whilepulling the tilt support lever up.

5. Loosen the steering friction adjuster byturning it counterclockwise, and adjustthe steering friction according to operatorpreference.

WARNINGEWM00720

If there is too much resistance it could bedifficult to steer, which could result in anaccident.


Maintenance

30

EMU31480

Specifications

NOTE:“(AL)” stated in the specification data belowrepresents the numerical value for the alumi-num propeller installed.Likewise, “(SUS)” represents the value forstainless steel propeller installed and “(PL)”for plastic propeller installed.

EMU28218

Dimension:Overall length:

623 mm (24.5 in)Overall width:

345 mm (13.6 in)Overall height S:

1021 mm (40.2 in)Transom height S:

432 mm (17.0 in)Weight (AL) S:

17.0 kg (37 lb)Performance:

Full throttle operating range:5250–5750 r/min

Maximum output:1.8 kW@5500 r/min (2.5 HP@5500 r/min)

Idling speed (in neutral):1900 ±100 r/min

Engine:Type:

4-stroke SDisplacement:

72.0 cm³ (4.39 cu.in)Bore × stroke:

54.0 × 31.5 mm (2.13 × 1.24 in)Ignition system:

TCISpark plug (NGK):

BR6HSSpark plug gap:

0.6–0.7 mm (0.024–0.028 in)Control system:

TillerStarting system:

Manual

Starting carburetion system:Choke valve

Valve clearance (cold engine) IN:0.08–0.12 mm (0.0032–0.0047 in)

Valve clearance (cold engine) EX:0.08–0.12 mm (0.0032–0.0047 in)

Drive unit:Gear positions:

Forward-neutralGear ratio:

2.08 (27/13)Trim and tilt system:

Manual tiltPropeller mark:

BSFuel and oil:

Recommended fuel:Regular unleaded gasoline

Min. pump octane:86

Fuel tank capacity (built in type):0.9 L (0.24 US gal) (0.20 Imp.gal)

Recommended engine oil:4-stroke outboard motor oil

Engine oil grade API:API SE, SF, SG, SH, SJ, SL

Engine oil type SAE:SAE10W30 or SAE10W40

Lubrication:Wet sump


Recommended gear oil:Hypoid gear oil SAE#90

Gear oil quantity:75.0 cm³ (2.54 US oz) (2.65 Imp.oz)

Tightening torque for engine:Spark plug:

25.0 Nm (18.4 ft-lb) (2.55 kgf-m)Engine oil drain bolt:

18.0 Nm (13.3 ft-lb) (1.84 kgf-m)


Maintenance

31

EMU28222

Transporting and storing out-board motor

WARNINGEWM00690

� Leaking fuel is a fire hazard. When trans-porting and storing the outboard motor,close the air vent screw and fuel cock toprevent fuel from leaking.

� USE CARE when transporting fuel tank,whether in a boat or car.

� DO NOT fill fuel container to maximumcapacity. Gasoline will expand consider-ably as it warms up and can build uppressure in the fuel container. This cancause fuel leakage and a potential firehazard.

WARNINGEWM00700

Never get under the lower unit while it istilted, even if a motor support bar is used.Severe injury could occur if the outboardmotor accidentally falls.

CAUTION:ECM00660

Do not use the tilt support lever or knobwhen trailering the boat. The outboard mo-tor could shake loose from the tilt supportand fall. If the motor cannot be trailered inthe normal running position, use an addi-tional support device to secure it in the tiltposition.

The outboard motor should be trailered andstored in the normal running position. If thereis insufficient road clearance in this position,then trailer the outboard motor in the tilt posi-tion using a motor support device such as atransom saver bar. Consult your Yamahadealer for further details.

EMU28235

Clamp screw mounting modelsWhen transporting or storing the outboardmotor while removed from a boat, keep theoutboard motor in the attitude shown.


Maintenance

32

NOTE:Place a towel or something similar under theoutboard motor to protect it from damage.

EMU28241

Storing outboard motorWhen storing your Yamaha outboard motorfor prolonged periods of time (2 months orlonger), several important procedures mustbe performed to prevent excessive damage.It is advisable to have your outboard motorserviced by an authorized Yamaha dealer pri-or to storage. However, you, the owner, with aminimum of tools, can perform the followingprocedures.

CAUTION:ECM01080

� To prevent problems which can becaused by oil entering the cylinder fromthe sump, keep the outboard motor inthe attitude shown when transportingand storing it. If storing or transportingthe outboard motor on its side (not up-right), put it on a cushion after drainingthe engine oil.

� Do not place the outboard motor on itsside before the cooling water hasdrained from it completely, otherwisewater may enter the cylinder through theexhaust port and cause engine trouble.

� Store the outboard motor in a dry, well-ventilated place, not in direct sunlight.

EMU28302

ProcedureEMU28372

Flushing in a test tank1. Wash the outboard motor body using

fresh water. For further information, seepage 33.

2. Fill the fuel tank with fresh fuel and addone ounce of “Yamaha Fuel Conditionerand Stabilizer” (Part No. LUB-FUELC-12-00) to each gallon of fuel.

NOTE:The use of “Yamaha Fuel Conditioner andStabilizer” eliminates the need to drain thefuel system. Consult your Yamaha dealer orother qualified mechanic if the fuel system isto be drained instead.

3. Remove the engine top cowling and si-lencer cover.

4. Install the outboard motor on the testtank.

5. Fill the tank with fresh water to above thelevel of the anti-cavitation plate.

1. Water surface2. Lowest water level


Maintenance

33

CAUTION:ECM00300

Do not run the engine without supplying itwith cooling water. Either the engine waterpump will be damaged or the engine willbe damaged from overheating. Beforestarting the engine, be sure to supply wa-ter to the cooling water passages.

CAUTION:ECM00290

If the fresh water level is below the level ofthe anti-cavitation plate, or if the watersupply is insufficient, engine seizure mayoccur.

6. Cooling system flushing is essential toprevent the cooling system from cloggingup with salt, sand, or dirt. In addition, fog-ging of the engine is mandatory to pre-vent excessive engine damage due torust. Perform the flushing and fogging atthe same time.

WARNINGEWM00090


� Keep hands, hair, and clothes away fromthe flywheel and other rotating partswhile the engine is running.

7. Run the engine at a fast idle for 10–15minutes in neutral position.

8. Just prior to turning off the engine, quicklyspray “Yamaha Stor-Rite Engine FoggingOil” (Part No. LUB-STRRT-12-00) alter-nately into each carburetor or the fogginghole of the silencer cover, if equipped.When properly done, the engine willsmoke excessively and almost stall.

9. Remove the outboard motor from the testtank.

10. Drain the cooling water completely out ofthe motor. Clean the body thoroughly.

11. Install the silencer cover/cap and topcowling.

EMU28400

Lubrication (except oil injection mod-els)1. Grease the spark plug threads and install

the spark plug(s) and torque to properspecification. For information on sparkplug installation, see page 36.

2. Change the gear oil. For instructions, seepage 42. Inspect the oil for the presenceof water that indicates a leaky seal. Sealreplacement should be performed by anauthorized Yamaha dealer prior to use.

3. Grease all grease fittings. For further de-tails, see page 36.

EMU28421

Cleaning and anticorrosion measures1. Wash down the exterior of the outboard

motor with fresh water and dry off com-pletely.

2. Spray the outboard motor exterior with“Yamaha Silicone Protectant” (Part No.LUB-SILCNE-13-00).

3. Wax the cowling with a non-abrasive waxsuch as “Yamaha Silicone Wax” (Part No.ACC-11000-15-02).

EMU28450

Cleaning the outboard motorAfter use, wash the exterior of the outboardmotor with fresh water. Flush the cooling sys-tem with fresh water.


Maintenance

34

NOTE:For cooling system flushing instructions, seepage 31.

EMU28460

Checking painted surface of motorCheck the motor for scratches, nicks, or flak-ing paint. Areas with damaged paint are morelikely to corrode. If necessary, clean and paintthe areas. A touch-up paint is available fromyour Yamaha dealer.EMU28486

Periodic maintenance

WARNINGEWM01070

Be sure to turn off the engine when youperform maintenance unless otherwisespecified. If you or the owner is not famil-iar with machine servicing, this workshould be done by your Yamaha dealer orother qualified mechanic.

Maintenance, replacement, or repair of theemission control devices and systemsmay be performed by any marine enginerepair establishment or individual. All war-ranty repairs, however, including those tothe emission control system, must be per-formed by an authorized Yamaha marinedealership.A service manual is available for purchasethrough your Yamaha dealer for owners whohave the mechanical skills, tools, and otherequipment necessary to perform mainte-nance not covered by this owner’s manual.EMU28510

Replacement partsIf replacement parts are necessary, use onlygenuine Yamaha parts or parts of the sametype and of equivalent strength and materials.Any part of inferior quality may malfunction,and the resulting loss of control could endan-ger the operator and passengers. Yamahagenuine parts and accessories are availablefrom your Yamaha dealer.


Maintenance

35

EMU28522

Maintenance chartFrequency of maintenance operations may be adjusted according to the operating conditions,but the following table gives general guidelines. Refer to the sections in this chapter for expla-nations of each owner-specific action.

NOTE:When operating in salt water, turbid or muddy water, the engine should be flushed with cleanwater after each use.

The “ ” symbol indicates the check-ups which you may carry out yourself.The “ ” symbol indicates work to be carried out by your Yamaha dealer.

Item Actions

Initial Every

10 hours (1 month)

50 hours (3 months)

100 hours (6 months)

200 hours (1 year)

Anode(s) (external) Inspection / replace-ment

Anode(s) (internal) Inspection / replace-ment

Cooling water passag-es Cleaning

Cowling clamp Inspection

Fuel filter (inside built-in fuel tank) Inspection / cleaning

Fuel system Inspection

Fuel tank (built-in tank) Inspection / cleaning

Gear oil Change

Greasing points Greasing

Idling speed (carbure-tor models) Inspection

Propeller and cotter pin Inspection / replace-ment

Shift link / shift cable Inspection / adjustment

Thermostat Inspection / replace-ment

Throttle link / throttle cable / throttle pick-up timing

Inspection / adjustment

Water pump Inspection / replace-ment

Engine oil Inspection / change

Spark plug(s) Cleaning / adjustment / replacement

Valve clearance (OHC, OHV) Inspection / adjustment


Maintenance

36

EMU28874

Maintenance chart (additional)

EMU28931

GreasingYamaha marine grease (Water resistant grease)

EMU28952

Cleaning and adjusting spark plug

WARNINGEWM00560

When removing or installing a spark plug,be careful not to damage the insulator. Adamaged insulator could allow externalsparks, which could lead to explosion or

fire.

The spark plug is an important engine compo-nent and is easy to inspect. The condition ofthe spark plug can indicate something aboutthe condition of the engine. For example, if thecenter electrode porcelain is very white, thiscould indicate an intake air leak or carburetion

Item ActionsEvery

500 hours (2.5 years) 1000 hours (5 years)

Exhaust guide, exhaust manifold

Inspection / replace-ment


Maintenance

37

problem in that cylinder. Do not attempt to di-agnose any problems yourself. Instead, takethe outboard motor to a Yamaha dealer. Youshould periodically remove and inspect thespark plug because heat and deposits willcause the spark plug to slowly break downand erode. If electrode erosion becomes ex-cessive, or if carbon and other deposits areexcessive, you should replace the spark plugwith another of the correct type.

Before fitting the spark plug, measure theelectrode gap with a wire thickness gauge;adjust the gap to specification if necessary.

When fitting the plug, always clean the gasketsurface and use a new gasket. Wipe off anydirt from the threads and screw in the sparkplug to the correct torque.

NOTE:If a torque-wrench is not available when youare fitting a spark plug, a good estimate of thecorrect torque is 1/4 to 1/2 a turn past finger-tight. Have the spark plug adjusted to the cor-rect torque as soon as possible with a torque-wrench.

EMU28962

Checking fuel system

WARNINGEWM00060

Gasoline and its vapors are highly flam-mable and explosive. Keep away fromsparks, cigarettes, flames, or other sourc-es of ignition.

WARNINGEWM00910

Leaking fuel can result in fire or explosion.� Check for fuel leakage regularly.� If any fuel leakage is found, the fuel sys-

tem must be repaired by a qualified me-chanic. Improper repairs can make theoutboard unsafe to operate.

Check the fuel lines for leaks, crack, or mal-function. If a problem is found, your Yamahadealer or other qualified mechanic should re-pair it immediately.

Checkpoints� Fuel system parts leakage� Fuel line joint leakage

Standard spark plug:BR6HS

1. Spark plug gap2. Spark plug I.D. mark (NGK)

Spark plug gap:0.6–0.7 mm (0.024–0.028 in)

Spark plug torque:25.0 Nm (18.4 ft-lb) (2.55 kgf-m)


Maintenance

38

� Fuel line cracks or other damage� Fuel connector leakageEMU29041

Inspecting idling speed

WARNINGEWM00451


� Keep hands, hair, and clothes away fromthe flywheel and other rotating partswhile the engine is running.

CAUTION:ECM00490

This procedure must be performed whilethe outboard motor is in the water. A flush-ing attachment or test tank can be used.

A diagnostic tachometer should be used forthis procedure. Results may vary dependingon whether testing is conducted with theflushing attachment, in a test tank, or with theoutboard motor in the water.1. Start the engine and allow it to warm up

fully in neutral until it is running smoothly.

NOTE:Correct idling speed inspection is only possi-ble if the engine is fully warmed up. If notwarmed up fully, the idle speed will measurehigher than normal. If you have difficulty veri-fying the idle speed, or the idle speed requiresadjustment, consult a Yamaha dealer or otherqualified mechanic.

2. Verify whether the idle speed is set tospecification. For idle speed specifica-tions, see page 30.

EMU30222

Changing engine oil

WARNINGEWM00760

� Avoid draining the engine oil immediate-ly after stopping the engine. The oil ishot and should be handled with care toavoid burns.

� Be sure the outboard motor is securelyfastened to the transom or a stablestand.

CAUTION:ECM00970

� Do not overfill the oil, and be sure theoutboard motor is upright (not tilted)when checking and changing the engineoil.

� If the oil level is above the upper levelmark, drain until the level meets thespecified capacity. Overfilling the oilcould cause leakage or damage.

CAUTION:ECM01240

Change the engine oil after the first 10hours of operation, and every 100 hours orat 6-month intervals thereafter. Otherwisethe engine will wear quickly.

NOTE:Change the engine oil when the oil is stillwarm.

1. Put the outboard motor in an upright po-sition (not tilted).


Maintenance

39

2. Prepare a suitable container that holds alarger amount than the engine oil capaci-ty. Loosen and remove the drain screwwhile holding the container under thedrain hole. Then remove the oil filler cap.Let the oil drain completely. Wipe up anyspilled oil immediately.

3. Put a new gasket on the oil drain screw.Apply a light coat of oil to the gasket andinstall the drain screw.

NOTE:If a torque wrench is not available when youare installing the drain screw, finger tightenthe screw just until the gasket comes into con-tact with the surface of the drain hole. Then

tighten 1/4 to 1/2 turn more. Tighten the drainscrew to the correct torque with a torquewrench as soon as possible.

4. Add the correct amount of oil through thefiller hole. Install the filler cap.

5. Start the engine and watch to make surethe low oil pressure warning indicator (ifequipped) turns off. Make sure that thereare no oil leaks.

CAUTION:ECM00680

If the low oil pressure warning indicatordoes not turn off or if there are oil leaks,stop the engine and find the cause. Con-tinued operation with a problem couldcause severe engine damage. Consultyour Yamaha dealer if the problem cannotbe located and corrected.

6. Turn off the engine and wait 3 minutes.Recheck the oil level using the oil levelcheck window to be sure the level fallsbetween the upper and lower marks. Fill

1. Drain screw

Drain screw tightening torque:18.0 Nm (13.3 ft-lb) (1.84 kgf-m)

Recommended engine oil:4-stroke outboard motor oil


1. Oil filler cap


Maintenance

40

with oil if it is below the lower mark, ordrain to the specified level if it is abovethe upper mark.

7. Dispose of used oil according to localregulations.

NOTE:� For more information on the disposal of

used oil, consult your Yamaha dealer.� Change the oil more often when operating

the engine under adverse conditions suchas extended trolling.

EMU29112

Checking wiring and connectors� Check that each grounding wire is properly

secured.� Check that each connector is engaged se-

curely.EMU29120

Exhaust leakageStart the engine and check that no exhaustleaks from the joints between the exhaustcover, cylinder head, and body cylinder.EMU29130

Water leakageStart the engine and check that no waterleaks from the joints between the exhaustcover, cylinder head, and body cylinder.EMU29140

Engine oil leakageCheck for oil leaks on the around the engine.

NOTE:If any leaks are found, consult your Yamahadealer.

EMU29171

Checking propeller

WARNINGEWM00321

You could be seriously injured if the en-gine accidentally starts when you are nearthe propeller.� Before inspecting, removing, or install-

ing the propeller, remove the spark plugcaps from the spark plugs. Also, placethe shift control in neutral, turn the mainswitch to “ ” (off) and remove the key,and remove the lanyard from the enginestop switch. Turn off the battery cut-offswitch if your boat has one.

� Do not use your hand to hold the propel-ler when loosening or tightening thepropeller nut. Put a wood block betweenthe anti-cavitation plate and the propel-ler to prevent the propeller from turning.


Maintenance

41

Checkpoints� Check each of the propeller blades for

wear, erosion from cavitation or ventilation,or other damage.

� Check the propeller shaft for damage.� Check the splines / shear pin for wear or

damage.� Check for fish line tangled around the pro-

peller shaft.

� Check the propeller shaft oil seal for dam-age.

NOTE:If the shear pin equipped: it is designed tobreak if the propeller hits a hard underwaterobstacle to help protect the propeller anddrive mechanism. The propeller will then spinfreely on the shaft. If this happens, the shearpin must be replaced.

EMU30660

Removing the propellerEMU29194

Spline models1. Straighten the cotter pin and pull it out us-

ing a pair of pliers.2. Remove the propeller nut, washer, and

spacer (if equipped).

3. Remove the propeller and thrust washer.EMU30670

Installing the PropellerEMU30371

Spline models

CAUTION:ECM00340

� Be sure to install the thrust washer be-fore installing the propeller, otherwisethe lower case and propeller boss couldbe damaged.

� Be sure to use a new cotter pin and bendthe ends over securely. Otherwise thepropeller could come off during opera-tion and be lost.

1. Apply Yamaha marine grease or a corro-sion resistant grease to the propellershaft.

1. Cotter pin2. Propeller nut3. Washer4. Propeller5. Thrust washer


Maintenance

42

2. Install the spacer (if equipped), thrustwasher, and propeller on the propellershaft.

3. Install the spacer (if equipped) and thewasher. Tighten the propeller nut untilthere is no forward-and-backward move-ment.

4. Align the propeller nut with the propellershaft hole. Insert a new cotter pin in thehole and bend the cotter pin ends.

NOTE:If the propeller nut does not align with the pro-peller shaft hole after tightening it, loosen thenut until it aligns with the hole.

EMU29282

Changing gear oil

WARNINGEWM00800

� Be sure the outboard motor is securelyfastened to the transom or a stablestand. You could be severely injured ifthe outboard motor falls on you.

� Never get under the lower unit while it istilted, even when the tilt support lever orknob is locked. Severe injury could oc-cur if the outboard motor accidentallyfalls.

1. Tilt the outboard motor so that the gear oildrain screw is at the lowest point possi-ble.

2. Place a suitable container under the gearcase.

3. Remove the gear oil drain screw and gas-ket.

NOTE:� If a magnetic gear oil drain screw is

equipped, remove all metal particles fromthe screw before installing it.

� Always use new gaskets. Do not reuse theremoved gaskets.

4. Remove the oil level plug and gasket toallow the oil to drain completely.

CAUTION:ECM00710

Inspect the used oil after it has beendrained. If the oil is milky, water is gettinginto the gear case which can cause geardamage. Consult a Yamaha dealer for re-pair of the lower unit seals.

NOTE:For disposal of used oil, consult your Yamahadealer.

5. With the outboard motor in a vertical po-sition, and using a flexible or pressurizedfilling device, inject the gear oil into thegear oil drain screw hole.

1. Gear oil drain screw2. Oil level plug


Maintenance

43

6. Put a new gasket on the oil level plug.When the oil begins to flow out of the oillevel plug hole, insert and tighten the oillevel plug.

7. Put a new gasket on the gear oil drainscrew. Insert and tighten the gear oildrain screw.

EMU29312

Inspecting and replacing anode(s)Yamaha outboard motors are protected fromcorrosion by sacrificial anodes. Inspect theexternal anodes periodically. Remove scalesfrom the surfaces of the anodes. Consult aYamaha dealer for replacement of externalanodes.

CAUTION:ECM00720

Do not paint anodes, as this would renderthem ineffective.

NOTE:Inspect ground leads attached to external an-odes on equipped models. Consult a Yamahadealer for inspection and replacement of inter-nal anodes attached to the power unit.

EMU29390

Checking top cowlingCheck the fitting of the top cowling by pushingit with both hands. If it is loose have it repairedby your Yamaha dealer.

EMU29400

Coating the boat bottomA clean hull improves boat performance. Theboat bottom should be kept as clean of marinegrowth as possible. If necessary, the boat bot-tom can be coated with an anti-fouling paintapproved for your area to inhibit marinegrowth.Do not use anti-fouling paint which includescopper or graphite. These paints can causemore rapid engine corrosion.

Recommended gear oil:Hypoid gear oil SAE#90

Gear oil quantity:75.0 cm³ (2.54 US oz) (2.65 Imp.oz)


Maintenance

44


Trouble Recovery

45

EMU29424

TroubleshootingA problem in the fuel, compression, or ignitionsystems can cause poor starting, loss of pow-er, or other problems. This section describesbasic checks and possible remedies, and cov-ers all Yamaha outboard motors. Thereforesome items may not apply to your model.If your outboard motor requires repair, bring itto your Yamaha dealer.If the engine trouble warning indicator is flash-ing, consult your Yamaha dealer.

Starter will not operate.Q. Is battery capacity weak or low?A. Check battery condition. Use battery of rec-ommended capacity.

Q. Are battery connections loose or corrod-ed?A. Tighten battery cables and clean batteryterminals.

Q. Is fuse for electric start relay or electric cir-cuit blown?A. Check for cause of electric overload andrepair. Replace fuse with one of correct am-perage.

Q. Are starter components faulty?A. Have serviced by a Yamaha dealer.

Q. Is shift lever in gear?A. Shift to neutral.

Engine will not start (starter operates).Q. Is fuel tank empty?A. Fill tank with clean, fresh fuel.

Q. Is fuel contaminated or stale?A. Fill tank with clean, fresh fuel.

Q. Is fuel filter clogged?A. Clean or replace filter.

Q. Is starting procedure incorrect?A. See page 21.

Q. Has fuel pump malfunctioned?A. Have serviced by a Yamaha dealer.

Q. Are spark plug(s) fouled or of incorrecttype?A. Inspect spark plug(s). Clean or replace withrecommended type.

Q. Are spark plug cap(s) fitted incorrectly?A. Check and re-fit cap(s).

Q. Is ignition wiring damaged or poorly con-nected?A. Check wires for wear or breaks. Tighten allloose connections. Replace worn or brokenwires.

Q. Are ignition parts faulty?A. Have serviced by a Yamaha dealer.

Q. Is engine stop switch lanyard not at-tached?A. Attach lanyard.

Q. Are engine inner parts damaged?A. Have serviced by a Yamaha dealer.

Engine idles irregularly or stalls.Q. Are spark plug(s) fouled or of incorrecttype?A. Inspect spark plug(s). Clean or replace withrecommended type.

Q. Is fuel system obstructed?


Trouble Recovery

46

A. Check for pinched or kinked fuel line or oth-er obstructions in fuel system.



Q. Have ignition parts failed?A. Have serviced by a Yamaha dealer.

Q. Has warning system activated?A. Find and correct cause of warning.

Q. Is spark plug gap incorrect?A. Inspect and adjust as specified.


Q. Is specified engine oil not being used?A. Check and replace oil as specified.

Q. Is thermostat faulty or clogged?A. Have serviced by a Yamaha dealer.

Q. Are carburetor adjustments incorrect?A. Have serviced by a Yamaha dealer.

Q. Is fuel pump damaged?A. Have serviced by a Yamaha dealer.

Q. Is air vent screw on fuel tank closed?A. Open air vent screw.

Q. Is choke knob pulled out?

A. Return to home position.

Q. Is motor angle too high?A. Return to normal operating position.

Q. Is carburetor clogged?A. Have serviced by a Yamaha dealer.

Q. Is fuel joint connection incorrect?A. Connect correctly.

Q. Is throttle valve adjustment incorrect?A. Have serviced by a Yamaha dealer.

Q. Is battery cable disconnected?A. Connect securely.

Warning buzzer sounds or indicator lights.Q. Is cooling system clogged?A. Check water intake for restriction.

Q. Is engine oil level low?A. Fill oil tank with specified engine oil.

Q. Is heat range of spark plug incorrect?A. Inspect spark plug and replace it with rec-ommended type.

Q. Is specified engine oil not being used?A. Check and replace oil with specified type.

Q. Is engine oil contaminated or deteriorated?A. Replace oil with fresh, specified type.

Q. Is oil filter clogged?A. Have serviced by a Yamaha dealer.

Q. Has oil feed/injection pump malfunc-tioned?A. Have serviced by a Yamaha dealer.


Trouble Recovery

47

Q. Is load on boat improperly distributed?A. Distribute load to place boat on an evenplane.

Q. Is water pump or thermostat faulty?A. Have serviced by a Yamaha dealer.

Q. Is there excess water in fuel filter cup?A. Drain filter cup.

Engine power loss.Q. Is propeller damaged?A. Have propeller repaired or replaced.

Q. Is propeller pitch or diameter incorrect?A. Install correct propeller to operate outboardat its recommended speed (r/min) range.

Q. Is trim angle incorrect?A. Adjust trim angle to achieve most efficientoperation.

Q. Is motor mounted at incorrect height ontransom?A. Have motor adjusted to proper transomheight.

Q. Has warning system activated?A. Find and correct cause of warning.

Q. Is boat bottom fouled with marine growth?A. Clean boat bottom.

Q. Are spark plug(s) fouled or of incorrecttype?A. Inspect spark plug(s). Clean or replace withrecommended type.

Q. Are weeds or other foreign matter tangledon gear housing?

A. Remove foreign matter and clean lowerunit.

Q. Is fuel system obstructed?A. Check for pinched or kinked fuel line or oth-er obstructions in fuel system.



Q. Is spark plug gap incorrect?A. Inspect and adjust as specified.


Q. Have electrical parts failed?A. Have serviced by a Yamaha dealer.

Q. Is specified fuel not being used?A. Replace fuel with specified type.

Q. Is specified engine oil not being used?A. Check and replace oil with specified type.

Q. Is thermostat faulty or clogged?A. Have serviced by a Yamaha dealer.

Q. Is air vent screw closed?A. Open the air vent screw.

Q. Is fuel pump damaged?A. Have serviced by a Yamaha dealer.

Q. Is fuel joint connection incorrect?


Trouble Recovery

48

A. Connect correctly.

Q. Is heat range of spark plug incorrect?A. Inspect spark plug and replace it with rec-ommended type.

Q. Is high pressure fuel pump drive belt bro-ken?A. Have serviced by a Yamaha dealer.

Q. Is engine not responding properly to shiftlever position?A. Have serviced by a Yamaha dealer.

Engine vibrates excessively.Q. Is propeller damaged?A. Have propeller repaired or replaced.

Q. Is propeller shaft damaged?A. Have serviced by a Yamaha dealer.

Q. Are weeds or other foreign matter tangledon propeller?A. Remove and clean propeller.

Q. Is motor mounting bolt loose?A. Tighten bolt.

Q. Is steering pivot loose or damaged?A. Tighten or have serviced by a Yamahadealer.EMU29432

Temporary action in emergencyEMU29440

Impact damage

WARNINGEWM00870

The outboard motor can be seriously dam-aged by a collision while operating ortrailering. Damage could make the out-board motor unsafe to operate.

If the outboard motor hits an object in the wa-ter, follow the procedure below.

1. Stop the engine immediately.2. Inspect the control system and all compo-

nents for damage. Also inspect the boatfor damage.

3. Whether damage is found or not, returnto the nearest harbor slowly and careful-ly.

4. Have a Yamaha dealer inspect the out-board motor before operating it again.

EMU31300

Starter will not operateIf the starter mechanism does not operate(the engine cannot be cranked with the start-er), the engine can be started with an emer-gency starter rope.

WARNINGEWM01450

� Use this procedure only in an emergen-cy to return to the nearest port for re-pairs.

� Make sure the remote control lever is inneutral. Otherwise the boat could unex-pectedly start to move, which could re-sult in an accident.

� Attach the engine stop switch lanyard toa secure place on your clothing, or yourarm or leg while operating the boat.


Trouble Recovery

49

� Do not attach the lanyard to clothingthat could tear loose. Do not route thecord where it could become entangled,preventing it from functioning.


� Make sure no one is standing behindyou when pulling the starter rope. Itcould whip behind you and injure some-one.

� An unguarded, rotating flywheel is verydangerous. Keep loose clothing andother objects away when starting the en-gine. Use the emergency starter ropeonly as instructed. Do not touch the fly-wheel or other moving parts when theengine is running. Do not install thestarter mechanism or top cowling afterthe engine is running.

� Do not touch the ignition coil, spark plugwire, spark plug cap, or other electricalcomponents when starting or operatingthe motor. You could get an electricalshock.

EMU29631

Emergency Starting Engine1. Remove the top cowling.2. Remove the bolts from the fuel tank.

3. Remove the bolts from the starter case.

4. While lifting the fuel tank up, remove thebolt from the starter case.

5. Remove the collar.

6. While lifting the starter case up, discon-nect the choke wire from the carburetor.


Trouble Recovery

50

7. Remove the starter case by pulling it to-wards you.

8. Install the fuel tank bracket by installingthe bolts.

9. Install 2 bolts into the rear section of thefuel tank.

10. Prepare the engine for starting; see page21. Be sure the engine is in neutral andthat the engine stop switch lanyard lockplate is attached to the engine stopswitch.

11. Turn the lever on the carburetor to oper-ate the choke system when the engine iscold. After the engine starts, return the le-ver to the original position.

12. While lifting the fuel tank, insert the knot-ted end of the emergency starter ropeinto the notch in the flywheel rotor andwind the rope several turns clockwise.

NOTE:If the rope is too long after winding it aroundthe flywheel, shorten its length at the handle.

13. Pull the rope slowly until resistance is felt.14. Give a strong pull straight out to crank

and start the engine. Repeat if neces-sary.


Trouble Recovery

51

EMU29760

Treatment of submerged motorIf the outboard motor is submerged, immedi-ately take it to a Yamaha dealer. Otherwisesome corrosion may begin almost immediate-ly.If you cannot immediately take the outboardmotor to a Yamaha dealer, follow the proce-dure below in order to minimize engine dam-age.EMU29783

Procedure1. Thoroughly wash away mud, salt, sea-

weed, and so on, with fresh water.2. Remove the spark plug(s), then face the

spark plug holes downward to allow anywater, mud, or contaminants to drain.

3. Drain the fuel from the carburetor, fuel fil-ter, and fuel line. Drain the engine oilcompletely.

4. Fill the sump with the fresh engine oil.

5. Feed engine fogging oil or engine oilthrough the carburetor(s) and spark plugholes while cranking the engine with themanual starter or emergency starterrope.

6. Take the outboard motor to a Yamahadealer as soon as possible.

CAUTION:ECM00400

Do not attempt to run the outboard motoruntil it has been completely inspected.

Engine oil capacity:0.35 L (0.37 US qt) (0.31 Imp.qt)


Consumer information

52

EMU29811

Important warranty information for U.S.A. and Canada



53



54

EMU29830

YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY



55



56

EMU29841

IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA


A5-tate_Blank.fm Page 1 Friday, May 16, 2003 9:00 AM

A5-tate_Blank.fm Page 1 Friday, May 16, 2003 9:00 AM

January 2006–0.3 × 1 CRPrinted in France

YAMAHA MOTOR CORPORATION, USA

Warranty card 12/6/01 7:40 PM Page 1

Warranty card 1

2/6/01 7:40 PM P

age 2

Documents

F2 - · PDF fileGeneral information 2 EMU25272 Star labels Your outboard motor is labeled with a Califor-nia Air Resources Board (CARB) star label. See below for a