Yamaha 8B Owner's Manual

60F/75A/85A/115B688-28199-S960F75A85A115BaperOWNER’S MANUAL 688-9-S9 \ 00.5.25 2:57 PM y[W 1 (2,1)

EEMU00918SAFETY INFORMATION8 Before mounting or operating the out-board motor, read this entire manual.Reading it should give you an under-standing of

6-1EEMP10010INDEXAAdjusting idling speed ...4-17Adjusting trim angle...3-17Air vent screw...

6-2EPropeller selection ...1-8RRemote control...2-4Remote control lever ...

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60F/75A/85A/115BPrinted in JapanApril 2000—0.2 ´1 !688-28199-S9(60FET,75AED,75AET,85AED,85AET,115BET)YAMAHA MOTOR CO., LTD.Printed on recycled paperOW

60F/75A/85A/115B688-28199-S960F75A85A115BaperOWNER’S MANUAL 688-9-S9 \ 00.5.25 2:57 PM y[W 1 (2,1)

1-4E8 This product emits exhaust gases whichcontain carbon monoxide, a colorless,odorless gas which may cause braindamage or death when inhaled. Symp-

1-5EEMU00016FUELING INSTRUCTIONSwGASOLINE AND ITS VAPORS ARE HIGH-LY FLAMMABLE AND EXPLOSIVE!8 Do not smoke when refueling, andkeep away from sparks,

1-6EEMU00024GASOLINE (PETROL)If knocking or pinging occurs, use a differ-ent brand of gasoline (petrol) or premiumgrade fuel.EEMU01356ENGINE OILIf the

EMU00032BATTERY REQUIREMENTcCDo not use the battery that does notmeet the specified capacity. If differentbattery from the specification is used, thee

1-8EYamaha dealers stock a range of pro-pellers, and can advise you and install apropeller on your outboard that is bestsuited to your application.NOT

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

2-1E101181*oiu!0tyrewq!1!2EMU01206MAIN COMPONENTS1 Top cowling2 Tilt support lever3 Clamp bracket4 Trim angle adjusting rod5 Anti-cavitation plate6 Tr

2-2Eoiuytreqw101192EMU01206MAIN COMPONENTS1 Top cowling2 Tilt support lever3 Anti-cavitation plate4 Trim tab (Anode)5 Propeller6 Cooling water inlet7

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2-3E902016qwerEMC20010OPERATIONS OF CONTROLSANDOTHER FUNCTIONSEMC21012FUEL TANKIf your model was equipped with aportable fuel tank, its function is as

2-4ERemote control leverMoving the lever forward from the Neu-tral position engages Forward gear.Pulling the lever back from Neutralengages Reverse. T

2-5ENeutral throttle leverTo open the throttle without shifting intoeither Forward or Reverse, place theremote control lever in the Neutral posi-tion

2-6EONSTARTOFF701026*qwEMU00934Engine Stop Lanyard SwitchThe lock-plate 1 must be attached to theengine stop lanyard switch for the engineto run. The

2-7EEMU00107Throttle Friction Adjusting ScrewA friction device in the remote control boxprovides resistance to movement of theremote control lever. Th

2-8EMD04011TRIM TABThe trim tab should be adjusted so thatthe steering control can be turned toeither the right or left byapplying the same amount of

2-9E404016801023YAMAHAx1000 r/min7654312801011YAMAHA402041*qEMD06011TRIM ANGLE ADJUSTING ROD60/75/85The outboard motor fully trim-in anglesetting in r

2-10E403011*30104230104160/75/85301043115EMD60010TILT SUPPORT LEVERTo keep the outboard motor in the tilted-up position, lock the tilt support lever t

2-11E701054605015EMD82211OVERHEAT WARNINGThis engine has an overheat warningdevice. If the engine temperature rises toohigh, the warning device will a

EMF00010Chapter 3OPERATIONINSTALLATION ...3-1Mounting the outboard motor...3-2FILLING FUEL AMD ENGINE OI

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

E3-1EMF10010INSTALLATIONcCIncorrect engine height or obstructions tosmooth water flow (such as the design orcondition of the boat or accessories sucha

E3-2EMF12011MOUNTING THE OUTBOARDMOTORwImproper mounting of the outboardmotor could result in hazardous condi-tions such as poor handling, loss of con

E3-3wOverpowering a boat may cause severeinstability. Do not install an outboardmotor with more horsepower than themaximum rating on the capacity plat

EMU00201GASOLINE (PETROL) AND OILMIXINGPre-mix model1) Pour oil and gasoline into the fueltank, in that order.1 Engine oil2 Gasoline (Petrol)2) Then m

cC8 Avoid using any oil other than the des-ignated type.8 Use a thoroughly blended fuel-oil mix-ture.8 If the mixture is not thoroughly blend-ed, or i

E3-6EMF40110PRE-OPERATION CHECKSwIf any item in the pre-operation check isnot working properly, have it inspectedand repaired before operating the out

E3-7EMF50011BREAKING IN (RUNNING IN)ENGINEYour new engine requires a period ofbreak-in (running-in) to allow mating sur-faces of moving parts to wear-

E3-8EMU00226Run the engine under load (in gear with apropeller installed) as follows.1) First 10 minutes:Run the engine at the lowest possi-ble-speed.

902023EMU01147STARTING ENGINEw8 Before starting the engine, make surethat the boat is tightly moored and thatyou can steer clear of any obstructions.B

E3-10701015NEMU00247PROCEDURE FOR REMOTE CON-TROL MODEL4) Place the remote control lever in theNeutral position.NOTE:The start-in-gear protection devi

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ESTARTOFFON7010413-11STARTOFFON701042701063EMU00945*Electric Start Model7) Open the throttle slightly lifting theneutral throttle lever upwards partia

E3-12cC8 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. The batteryw

EMG00010WARMING UP ENGINE1) Before beginning operation, allow theengine to warm up at idling speed for3 minutes. (Failure to do this willshorten engin

EMG20310SHIFTINGwBefore shifting, make sure there are noswimmers or obstacles in the water nearyou.cCTo change the shifting position from for-ward to

3-15EEMG38010STOPPING ENGINELet it cool off for a few minutes at idle orlow speed first. Stopping the engineimmediately after operating at high speedi

3-16EEMU01412TRIMMING OUTBOARDMOTORThe trim angle of the outboard motorhelps determine the position of the bowof the boat in the water. The correct tr

ADJUSTING TRIM ANGLEEMU01145Hydro-tilt Modelw8 Stop the engine before adjusting thetrim angle.8 Be sure all people are clear of the out-board motor wh

3-18EMU01401Power Trim/Tilt Modelw8 Be sure all people are clear of the out-board motor when adjusting thetrim/tilt angle, also be careful not topinch

3-19EEMU00282Bow UpWhen the boat is on plane, a bow-up atti-tude result in less drag, greater stabilityand efficiency. This is generally when thekeel

3-20EMH10110TILTING UP/DOWNIf the engine will be stopped for sometime, or if the boat is moored in shallows,the engine should be tilted up to protectt

GENERAL INFORMATIONBASIC COMPONENTSOPERATIONMAINTENANCETROUBLE RECOVERYINDEXCONTENTSREAD THIS OWNER’S MANUAL CAREFULLYBEFORE OPERATING YOUR OUTBOARD M

3-21E304034*402042403011*EMU00292PROCEDURE FOR TILTING UPHydro-tilt model1) Remove the fuel-line connection fromthe motor.EMU00302PROCEDURE FOR TILTIN

3-22EUPDN701034UPDN403011*304034*411014EMU00294PROCEDURE FOR TILTING UPPower trim/tilt model1) Remove the fuel-line connection fromthe motor.(If the f

3-23E411021EMU00303PROCEDURE FOR TILTING DOWNPower trim/tilt model1) Push the power trim/tilt switch “UP”until the engine is supported by thetilt rod.

3-24EEMH60010CRUISING IN OTHERCONDITIONSCRUISING IN SALT WATERAfter operating in salt water, wash out thecooling-water passages with fresh waterto pre

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EMK00010Chapter 4MAINTENANCESPECIFICATION DATA...4-1TRANSPORTING AND STORINGOUTBOARD MOTOR ...4-

Regular grade gasoline (petrol) 24 (6.3, 5.3)YAMALUBE, TWO STROKE MOTOR OIL FOR MARINEor an equivalent TC-W3 certified outboard oilRemote : —Engine :

726 (28.6)374 (14.7)1,422 (56.0) / 1,548 (60.9)521 (26.5) / 647 (25.5)121 (267) / 124 (273)726 (28.6)374 (14.7)1,422 (56.0) / 1,548 (60.9)521 (20.5) /

4-3EEMK13010*SPECIFICATION DATA8Spark plug N•m (kgf•m, lb•ft)8Propeller nut N•m (kgf•m, lb•ft)ModelUnit 85AETItemDIMENSIONSPERFORMANCE8Overall Length

4-4E828 (32.6)600 (23.6)1,435 (56.5) / —516 (20.3) / —156 (344) / —4,500 ~ 5,50084.6 (115.0) at 5,000 r/min700 ~ 800Forward-Neutral-Reverse2.0 (13 : 2

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4-5E000940EMU01369TRANSPORTING AND STOR-ING OUTBOARD MOTORwLeaking fuel is a fire hazard. When trans-porting and storing the outboard motor,close the

4-6EEMK17010STORING OUTBOARD MOTORProcedure1) Using fresh water, flush the cooling-water passages (Refer to “Flushingcooling system”) and wash the mot

4-7EMK23511Flushing cooling system8 Flushing in a water tank1) Fit the outboard motor on the watertank, and fill the tank with fresh waterto above the

4-8E8 Flushing with the flushing attachment1) Fit the flushing attachment (option) inposition on the lower casing, withrubber cups covering the water

4-9EEMK29010Battery CarewBattery electrolyte is poisonous and dan-gerous, causing severe burns, etc. It con-tains sulfuric acid. Avoid contact withski

4-10EEMK30110*PERIODIC MAINTENANCEwBe sure to turn off the engine when youperform maintenance unless otherwisespecified.If the owner is not familiar w

4-11E*1 ...for Power trim and tilt/Power tilt modelNOTE:Cooling water passages:When operating in salt water, turbid or muddy water, the engine sho

4-12EMU01202CLEANING AND ADJUSTING SPARKPLUGwWhen removing or installing a spark plug,be careful not to damage the insulator. Adamaged insulator could

4-13When fitting the plug, always clean thegasket surface and use a new gasket.Wipe off any dirt from the threads andscrew in the spark plug to the co

4-14EMK38010CHECKING FUEL SYSTEMwGasoline (petrol) and its vapors are highlyflammable and explosive. Keep awayfrom sparks, cigarettes, flames or other

E23456EMB00010Chapter 1GENERALINFORMATIONIDENTIFICATION NUMBERS RECORD ..1-1Outboard motor serial number...1-1Key number...

4-15EEMK50000CLEANING FUEL FILTERwGasoline (petrol) is highly flammable, andits vapors are flammable and explosive.8 If you have any question about pr

4-16E5) Attach the filter assembly to thebracket with that the fuel hoses areattached to the filter assembly.6) Run the engine and check the filterand

4-17EEMK54110ADJUSTING IDLING SPEEDw8 Do not touch or remove electrical partswhen starting or during operation.8 Keep hands, hair and clothes awayfrom

4-18E205025wqq115EMU01329REPLACING FUSEIf the fuse has blown on an Electric startmodel, open the fuse holder and replacethe fuse with a new one of pro

4-19EEMK78010CHECKING WIRING ANDCONNECTORS1) Check that each grounding wire isproperly secured.2) Check that each connector is engagedsecurely.EXHAUST

4-20E60/75/85103031EMU00909GREASINGYamaha grease A (Water resistant grease)Yamaha grease D (Corrosion resistant grease) *1E*1. For propeller shaft688-

4-21E115EMU00909GREASINGYamaha grease A (Water resistant grease)Yamaha grease D (Corrosion resistant grease) *1E*1. For propeller shaft688-9-S9-4 5/2

4-22EEML02011CHECKING POWER TRIM AND TILTSYSTEMw8 Never get under the lower unit while itis tilted, even when the tilt-supportlever is locked. Severe

4-23EEML08011*CHECKING PROPELLERwYou could be seriously injured if theengine accidentally starts while you arenear the propeller.8 Before inspecting,

4-24EEMU00397Installing the PropellercC8 Be sure to install the thrust washerbefore installing propeller, otherwise,lower case and propeller boss may

1-1EEMU00005IDENTIFICATION NUMBERSRECORDEMU00007OUTBOARD MOTOR SERIAL NUMBERThe outboard motor serial number isstamped on the label attached to the po

4-25EEML20010CHANGING GEAR OILwNever get under the lower unit while it istilted, even when the tilt-support lever islocked. Severe injury could occur

4-26ENOTE:For disposal of used oil consult yourYamaha dealer.5) With the outboard motor in an verti-cal position, using a flexible or pres-surized fil

4-27EEML22010CLEANING FUEL TANKwGasoline (petrol) is highly flammable, andits vapors are flammable and explosive.8 If you have any question about prop

4-28E60401560/75/85/11540501260/75/85405016115EML24010INSPECTING AND REPLACINGANODEYamaha outboard motor is protectedfrom corrosion by a sacrificial a

4-29EEML26010CHECKING BATTERY(for Electric start model)wBattery electrolytic fluid is dangerous; itcontains sulfuric acid and therefore is poi-sonous

4-30EcCA poorly maintained battery will quicklydeteriorate.1) Check the electrolyte level at leastonce a month. Fill to the manufactur-er’s recommende

4-31EEMU01279Connecting the BatterywMount the battery holder securely in adry, well-ventilated, vibration-free loca-tion in the boat. Install a fully

4-32E102024102025EML40010CHECKING BOLTS AND NUTS1) Check that bolts securing the cylinderhead and engine and the nut securingthe flywheel are tightene

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EMN00010Chapter 5TROUBLE RECOVERYTROUBLESHOOTING ...5-1TEMPORARY ACTION IN EMERGENCY ...

1-2Eqw60/75/85EMU01385EMISSION CONTROLINFORMATIONEMU01390U.S. INSULAR AREASEngines affixed with the label picturedbelow conform to U.S. EnvironmentalP

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 INEMERGENCYEMH80010IMPACT DAMAGEwThe outboard motor can be seriouslydamaged by a collision while operatingor trailering. D

5-6POWER TRIM/TILT WILL NOT OPERATE60/75/85If the engine cannot be tilted up or downwith the power trim and tilt because of adischarged battery or a f

5-7EMN30210STARTER WILL NOT OPERATEIf the starter mechanism does not operate(engine cannot be cranked with thestarter), the engine can be started with

5-8Procedure1) Remove the top cowling.2) Remove the flywheel cover by remov-ing the bolts.3) Prepare the engine for starting. See“STARTING ENGINE” for

5-9EMN50011TREATMENT OF SUBMERGEDMOTORIf the outboard motor is submerged,immediately take it a Yamaha dealer. Oth-erwise, some corrosion may begin alm

EMP00010Chapter 6INDEXINDEX..............6-1123456E688-9-S9-6 5/24/00 3:53 PM Page 1