Yamaha 150B Owner's Manual

115B130B150BV150BOWNER’S MANUALU.S.A.EditionLIT-18626-04-94 64C-9-17 hyoshi 4/10/02 1:23 PM Page 1 (2,1)

1-3EEMU00917SAFETY INFORMATION8 Before mounting or operating the out-board motor, read this entire manual.Reading it should give you an u

E4-27qwer901013901014wertyqEMU01280Disconnecting the BatteryDisconnect the BLACK lead from the NEG-ATIVE (-) terminal first. Then disconnectthe R

E4-28EMU01172CLEANING COOLING-WATER PASSAGESFlushing device equipped modelPerform this procedure right after opera-tion for the most thorough flu

E4-29cCDo not leave the garden-hose connectorloose on the bottom cowling fitting or letthe hose hang free during normal opera-tion. Water wil

EEMN00010Chapter 5TROUBLE RECOVERYTROUBLESHOOTING ...5-1TEMPORARY ACTION IN EMERGENCY ...

5-1EEMU01204¯TROUBLESHOOTINGA problem in the fuel, compression, or ignition systems can cause poor starting, loss ofpower, or other problems. The trou

5-2EC. Engine idlesirregularly or stalls.Trouble Possible Cause Remedy1. Spark plug(s) fouled or incorrecttype.2. Fuel system obstructed.3. Fuel conta

5-3ED. Warning buzzersounds orindicator lamplights.Trouble Possible Cause Remedy1. Cooling system clogged.2. Engine oil level low.3. Heat range of spa

5-4ETrouble Possible Cause Remedy13. Poor connections or damagedignition wiring.14. Failed ignition parts.15. Specified engine oil not used.16. Thermo

5-5EMN20010TEMPORARY ACTION INEMERGENCYEMU01492IMPACT DAMAGEwThe outboard motor can be seriouslydamaged by a collision while operatingor tra

5-6EMN30210STARTER WILL NOT OPERATEIf the starter mechanism does not operate(engine cannot be cranked with the starter),the engine can be st

1-4E8 When a swimmer is in the water nearyou shift into neutral and shut off theengine.8 Be informed about boating safety. Addi-tional p

5-7Procedure1) Remove the top cowling.2) Remove the flywheel cover by removingthe bolts.3) Prepare the engine for starting. SeeSTARTING ENGINE fo

5-8EMN32110ENGINE FAILS TO OPERATEIf battery voltage is low or in the unlikelyevent of an ignition system malfunction, theengine speed may

5-9E218011*q218012*q905013*ewEMU01191LOW OIL LEVEL WARNING ACTIVATESIf the oil level is allowed to drop too low,the red segment will appear on t

5-10E301026*eqwNOTE:8 Reserve oil capacity is maximum 1,500cm3(1.6 US qt, 1.31 Imp qt).8 The oil feed pump will not operate if theengine is til

5-11EMN50011TREATMENT OF SUBMERGEDMOTORIf the outboard motor is submerged, imme-diately take it a Yamaha dealer. Otherwise,some corrosion may be

EMP00010Chapter 6INDEXINDEX...6-1E123456 64C-9-17-6 2/28/02 10:08 PM Page 115

6-1EEMR80000INDEXAAdjusting idling speed ...4-14Adjusting trim angle...3-21BBasic boating rules ...

6-2EMain switch ...2-5Maintenance chart ...4-10Motor exterior ...

EMU01599IMPORTANT WARRANTY INFORMATION FOR U.S.A. ANDCANADAWelcome to the Yamaha Family!Congratulations on the purchase of your new Yamaha marine pow

5. Your warranty applies specifically to repairs made in the country of purchase. If yourU.S.-purchased Yamaha needs warranty service

1-5EMB30010IMPORTANT LABELSWARNING LABELS12 Counter rotation model3 E202041*wq202045qwLocation905011*eV4V6ENGINE OIL ONLYWARNING6E5-13437-43Pour the e

EMU00912*YAMAHA MOTOR CORPORATION, U.S.A.OUTBOARD MOTOR TWO YEAR LIMITED WARRANTYYamaha Motor Corporation, U.S.A. is proud of its heritage and

SPECIFIC PARTS EXCLUDED FROM WARRANTY. Parts replaced due to normal wear or routine maintenance such as oil, spark plugs,shear pins, propeller

CUSTOMER SERVICEIf your machine requires warranty service, you must take it to any authorized Yamaha outboard dealer within the conti

EMU01178IMPORTANT WARRANTY INFORMATIONIF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADAWelcome to the Yamaha Family!Congratulations on the purchase o

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Printed in JapanMarch 2002-0.5 × 1 !64C-28199-17(115CETO, 130BETO, L130BETO, 150FETO, 150GETO)(E)Printed on recycled paperOWN 64C-9-17 hyoshi 4/10/02

YAMAHA MOTOR CO., LTD.MADE IN JAPANPAYS D'ORIGINE JAPONOUTBOARD MOTOR WARRANTY REGISTRATIONENREGISTREMENT DE LA GARANTIE DU MOTEUR HORS-BORDPleas

PLACEPOSTAGEHEREATTN: WARRANTY DEPARTMENTWarranty card 2/27/02 11:47 AM Page 2

1-6EEMB40010BASIC BOATING RULES(Rules of the road)Just as there are rules which apply whenyou are driving on streets and high ways,there

1-7ERULES WHEN ENCOUNTERINGVESSELSThere are three main situations which youmay encounter with other vessels whichcould lead to a collision unl

1-8Eway until you are clear of it. Likewise, ifanother vessel is passing you, you shouldmaintain your speed and direction so thatthe ot

1-9ERemember, markings may vary by geo-graphic location. Always consult local boat-ing authorities before driving your boat inunfamiliar waters.

1-10EMU00016FUELING INSTRUCTIONSwGASOLINE AND ITS VAPORS ARE HIGH-LY FLAMMABLE AND EXPLOSIVE!8 Do not smoke when refueling, andkeep away from spar

1-11EMU01804GASOLINEIf knocking or pinging occurs, use a differ-ent brand of gasoline or premium unlead-ed fuel.EMU00027GasoholThere are two types

1-12EMU01775BATTERY REQUIREMENTcCDo not use a battery that does not meetthe specified capacity. If a battery whichdoes not meet specificatio

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1-13Yamaha outboard motors are fitted withpropellers chosen to perform well over arange of applications, but there may beuses where

1-14EEMU01209START-IN-GEAR PROTECTIONYamaha outboard motors or Yamahaapproved remote control units areequipped with start-in-gear protectiondevice

E-MEMO- 64C-9-17-1 2/28/02 10:08 PM Page 20

EMC00010Chapter 2BASIC COMPONENTSMAIN COMPONENTS...2-1OPERATIONS OF CONTROLS ANDOTHER FUNCTIONS ...

2-1EEMU01206MAIN COMPONENTSqertyuio!1!2!3TRIPTRIP TIMETIME BATTBATTKm/hKm/hknotknotmphkmmileSPEEDSPEEDYAMAHAYAMAHAsetsetmodemode!5!8!0w!1!4!6!71 Power

2-2EEMU01206MAIN COMPONENTSTRIPTRIP TIMETIME BATTBATTKm/hKm/hknotmphkmkmmilemileSPEEDSPEEDYAMAHAsetsetmodemode!5!6!8!7qwertyuio!0!1!2!3!4!1V1501 Power

2-3E000200wqertyuEMC20010OPERATIONS OF CONTROLSAND OTHER FUNCTIONSEMU00096REMOTE CONTROLBoth the shifter and the throttle are actu-ated by the

2-4ERNFqwertyuutry701031701034**UPDNN701033*qwEMC50010*Remote control leverMoving the lever forward from the Neu-tral position engages Forwar

2-5EONSTARTOFF701021701055EMC48110Main switchThe main switch controls the ignition sys-tem; its operation is described below.8 OFFElectrical circuits

2-6E000569qwEMC28210Engine stop lanyard switchThe lock-plate on the end of the lanyardmust be attached to the engine stopswitch for the

Thank you for choosing a Yamaha out-board motor. This Owner’s manual con-tains information needed for proper oper-ation, maintenance and care.

2-7EUPDN701034**UPDNEMU01331Power Trim/Tilt SwitchThe power trim/tilt adjusts the motorangle in relation to the transom. Thepower trim/til

Eqwe603014AB603012EMD04011*TRIM TABThe trim tab should be adjusted so thatthe steering control can be turned toeither the right or le

E2-9302012UPDOWNEMU01125POWER TRIM/TILT SWITCHThe power trim/tilt adjusts the motorangle in relation to the transom. Thepower trim/tilt s

E2-10001082001049qtwuyer001078EMU01614DIGITAL TACHOMETERThis gauge contains the tachometer, trimmeter, hour meter, oil level indicator, andthe overh

E2-11001087EMU01620Hour MeterThis meter shows the number of hoursthe engine has been run. It can be set toshow the total number of

E2-12001051q001052qEMU01553Overheat Warning IndicatorIf the engine temperature rises too high,the warning indicator will start to blink.Re

E2-13qwe802023*EMD25110SpeedometerThe meter will show the boat speed.NOTE:The speedometer displays km/h, mph, orknots, depending upon operator

E2-14802024TRIP TIME BATTKm/hknotmphkmmileSPEEDYAMAHAsetmodeEMU01274Trip MeterThis meter displays the distance the boathas traveled since the met

E2-15EMD40410Warning indicator8 Fuel warningIf the fuel level decreases to one segmentthe fuel level warning segment 1 beginsblinking.8 Low battery

E2-16YAMAHAsetmodeP SmpgKm/LgphI/hECON SYNCTTLFUEL MANAGEMENTqweEMD42012FUEL MANAGEMENT METEROptional equipmentThe meter contains the fuel flow

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E2-17P SmpgKm/LgphI/hECON SYNCTTLFUEL MANAGEMENTEMU01277Fuel EconomyThis meter displays the distance per literor gallon when cruising for refere

E2-18NOTE:8 Fuel consumption varies greatly withboat design, weight, propeller used,engine trim angle, sea conditions(including wind), a

E2-19EMU01278Twin Engine Speed SynchronizerThis meter displays the difference inengine speed (r/min) between the Portand Starboard engines

E2-20EMD60010TILT SUPPORT LEVERTo keep the outboard motor in the tilted-upposition, lock the tilt support lever to theclamp bracket.EMD63210TOP

E2-212) Align the three cowling hooks with thelocks on the bottom cowling.3) Press down on the top of the cowling atthe front and both sides of

E2-22EMD80010WARNING SYSTEMcCDo not continue to operate the engine ifthe warning device has activated. Con-sult your Yamaha dealer if the p

E2-23EMD84012*OIL LEVEL WARNING / OIL FILTERCLOGGING WARNINGThis engine has an oil level warning sys-tem. If oil level falls below lower l

EEMF00010Chapter 3OPERATIONINSTALLATION ...3-1Mounting the outboard motor...3-2FILLING FUEL AND ENGINE O

3-1EMF10010INSTALLATIONcCIncorrect engine height or obstructionsto smooth water flow (such as thedesign or condition of the boat or acce

3-2EMU00176MOUNTING THE OUTBOARDMOTORwImproper mounting of the outboardmotor could result in hazardous condi-tions such as poor handling,

EMA20010CONTENTSGENERAL INFORMATIONBASIC COMPONENTSOPERATIONMAINTENANCETROUBLE RECOVERYINDEXE123456READ THIS OWNER’S MANUAL CAREFULLYBEFORE OPERATING

3-3wOverpowering a boat may cause severeinstability. Do not install an outboardmotor with more horsepower than themaximum rating on the

3-4EMF30010FILLING FUEL AND ENGINE OILFILLING FUEL1) Remove the fuel tank cap.2) Fill the fuel tank carefully.3) Close the cap securely after ref

3-5EMU01800FILLING OILThis engine uses the oil injection system,which provides superior lubrication byensuring the proper oil ratio for all operat

3-6EON STARTOFF701024ON STARTOFF7010522) Turn on the main switch. The oilinjection system will automaticallyfeed oil from the remote oil

3-7EEMU01825Using remote oil tank1501) Pour engine oil into the remote oiltank.NOTE:The oil level lines on the remote oil tankindicate

E3-81,500 cm3(1.6 US qt,1.31 Imp qt)or lessEMU01543Oil Level IndicatorThe various oil level system functions are as follows:RemarksOil level indica-to

E3-9EMF40110PRE-OPERATION CHECKwIf any item in the pre-operation check isnot working properly, have it inspectedand repaired before ope

E3-10EMU01790OPERATION AFTER A LONG PERIODOF STORAGEWhen operating the engine after a longperiod (12 months) of storage, proceed asfollows:1) Us

E3-11EMU01776BREAKING IN ENGINEYour new engine requires a period ofbreak-in to allow mating surfaces of mov-ing parts to wear in evenly. Correct

E3-12EMU01784Run the engine under load (in gear with apropeller installed) as follows.1) First 10 minutes:Run the engine at the lowest possi-ble

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E3-13902025EMU01197STARTING ENGINEw8 Before starting the engine, make surethat the boat is tightly moored and thatyou can steer clear of any obst

E3-14EMU00248PROCEDURE FOR REMOTECONTROL MODEL4) Place the remote control lever in theNeutral position.NOTE:The start-in-gear protection devi

E8) Press in and hold the main switch tooperate the remote chokesystem.(The remote choke switchreturns to its home position whenyou

E3-16cC8 Do not turn the main switch to“START” when the engine is running.8 Do not keep the starter motor turningfor more than 5 seconds. T

E3-17EMG00010WARMING UP ENGINE1) Before beginning operation, allow theengine to warm up at idling speed for 3minutes. (Failure to do this wil

E3-18EMG20310SHIFTINGwBefore shifting, make sure there are noswimmers or obstacles in the water nearyou.cCTo change the shifting position from f

E3-19EMG38010STOPPING ENGINELet it cool off for a few minutes at idle orlow speed first. Stopping the engineimmediately after operating at high s

E3-20EMU01412TRIMMING OUTBOARDMOTORThe trim angle of the outboard motorhelps determine the position of the bowof the boat in the water

E3-21ADJUSTING TRIM ANGLEEMU01401Power Trim/Tilt Modelw8 Be sure all people are clear of the out-board motor when adjusting thetrim/tilt

E3-22EMU00282Bow UpWhen the boat is on plane, a bow-up atti-tude result in less drag, greater stabilityand efficiency. This is generally when th

EMB00010Chapter 1GENERALINFORMATIONIDENTIFICATION NUMBERS RECORD ...1-1Outboard motor serial number..

E3-23EMU01200TILTING UP/DOWNIf the engine will be stopped for sometime, or if the boat is moored in shallows,the engine should be tilted u

E3-24EMU01201PROCEDURE FOR TILTING UPPower trim/tilt model1) If there is a fuel joint or a fuel cock onthe boat, disconnect the fuel line orclos

E3-254) Once the engine is supported with thetilt-support lever, push the powertrim/tilt switch DOWN to retract thetrim rods.cCBe sure to ret

EMK00010Chapter 4MAINTENANCESPECIFICATIONS ...4-1TRANSPORTING AND STORINGOUTBOARD MOTOR ...

4-1EEMK10010SPECIFICATIONS9 FuelFuel tank capacity L (US gal, Imp gal)9 Recommended engine oilLubrication Engine oil capacity (engine oil tank) L (US

4-2E808 (31.8)1,472 (58.0)/1,599 (22.9)582 (22.9)516 (20.3)/642 (25.3)163 (359)/167 (368)5,000~6,00095.6 (130) at 5,500 r/min700~8002-stroke, 90°V41,7

E4-3EMU01369*TRANSPORTING ANDSTORING OUTBOARD MOTORwLeaking fuel is a fire hazard. When trans-porting and storing the outboard motor,close the a

E4-4EMU01796*STORING OUTBOARD MOTORWhen storing your Yamaha outboardmotor for prolonged periods of time (2months or longer), several importa

E4-5Flushing Cooling System and FoggingEngineCooling system flushing is essential to pre-vent the cooling system from clogging upwith salt

E4-6EMK26110*Lubrication1) Remove the spark plugs, and spray a 10second spray of Yamaha Stor-RiteEngine Fogging Oil into each cylinder.Grea

1-1EMU00005IDENTIFICATION NUMBERSRECORDEMU00007OUTBOARD MOTOR SERIAL NUMBERThe outboard motor serial number isstamped on the label attached to the por

E4-7EMK28010*Battery CarewBattery electrolyte is poisonous anddangerous, causing severe burns, etc. Itcontains sulfuric acid. Avoid contactwit

E4-8EMU01569PERIODIC MAINTENANCEwBe sure to turn off the engine when youperform maintenance unless otherwisespecified. If the owner is not

E4-9Carburetor Cleaning 111 —Fuel filter Cleaning ●●● 4-13Fuel system Inspection ●●4-12Fuel tank *2 Cleaning ● —Throttle link Inspection/Adjustment 1

E4-10EMU01202CLEANING AND ADJUSTING SPARKPLUGwWhen removing or installing a spark plug,be careful not to damage the insulator. Adamaged insulator co

E4-11When fitting the plug, always clean thegasket surface and use a new gasket.Wipe off any dirt from the threads andscrew in th

E4-12EMK38010CHECKING FUEL SYSTEMwGasoline (petrol) and its vapors are high-ly flammable and explosive. Keep awayfrom sparks, cigarettes, flam

E4-13EMK50011CLEANING FUEL FILTERwGasoline (petrol) is highly flammable, andits vapors are flammable and explosive.8 If you have any question about pr

E4-14EMK54110ADJUSTING IDLING SPEEDw8 Do not touch or remove electricalparts when starting or during opera-tion.8 Keep hands, hair and c

E4-15ProcedureNOTE:A diagnostic tachometer should be used forthis procedure.1) Start the engine and allow it to warm upfully in Neutral until it is ru

E4-16EMU01329REPLACING FUSEIf the fuse has blown on an Electric startmodel, open the fuse holder and replacethe fuse with a new one of p

1-2E******qw******qwV4V6EMU01385EMISSION CONTROLINFORMATIONEMU01386NORTH AMERICAN MODELSThis engine conforms to U.S. Environ-mental Protection Age

E4-17EMU00366GREASINGYamaha marine grease(Water resistant grease)V4103061 64C-9-17-4 2/28/02 10:06 PM Page 86

E4-18EMU00366GREASINGYamaha marine grease(Water resistant grease)V6103062 64C-9-17-4 2/28/02 10:06 PM Page 87

E4-19EML02011*CHECKING POWER TRIM AND TILTSYSTEMw8 Never get under the lower unit while itis tilted, even when the tilt-supportlever is locked.

E4-20EML08210*CHECKING PROPELLERwYou could be seriously injured if theengine accidentally starts while you arenear the propeller.8 Before

E4-21[How to remove propeller]1) Using pliers straighten the cotter-pin andpull it out.2) Remove the propeller nut.3) Remove the propeller.1 Thrust wa

E4-22EMU01460CHANGING GEAR OILw8 Be sure the outboard is securely fas-tened to the transom or a stable stand.You could be severely injured if th

E4-235) With the outboard motor in a verticalposition, and using a flexible or pres-surized filling device, inject the gearoil into the oil drain

E4-24EML26010CHECKING BATTERY(for Electric start model)wBattery electrolytic fluid is dangerous; itcontains sulfuric acid and therefore ispoisono

E4-25cCA poorly maintained battery will quicklydeteriorate.1) Check the electrolyte level at least oncea month. Fill to the manufacturer’s

E4-26UPPER LEVELLOWER LEVEL000863qwEMU01304Connecting the BatterywMount the battery holder securely in adry, well-ventilated, vibration-free