Yamaha 3A Owner's Manual

2A/3A/5ALIT-18626-04-512A3A5AOWNER’S MANUALU.S.A.Edition6A1-9-1L \ 01.4.20 3:02 PM y[W 1 (2,1)

1-3E8 This product emits exhaust gaseswhich contain carbon monoxide, a col-orless, odorless gas which may causebrain damage or death when inhaled.Symp

6-1EGGasoline (petrol) and oil mixing...3-6Gasoline (petrol) ...1-11Gear shift lever...

6-2ETTemporary action in emergency ...5-5Throttle control ...2-6Throttle friction adjustment ...

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

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

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

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

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

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

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

2A/3A/5APrinted in JapanMarch 2001—0.5 × 1!6A1-28199-1L(2BMH/3AMH/5CMH)(E)Printed on recycled paperOWN6A1-9-1L \ 01.4.20 3:02 PM y[W 1 (1,1)

2A/3A/5ALIT-18626-04-512A3A5AOWNER’S MANUALU.S.A.Edition6A1-9-1L \ 01.4.20 3:02 PM y[W 1 (2,1)

1-5E202063*qwe202055*qw202056*qwEMB30010IMPORTANT LABELSWARNING LABELS235WARNING●Be sure shift control is in neutral before starting engine. (except

1-6EStand-on VesselThe vessel with the right-of-way has theduty to continue its course and speed,except to avoid an immediate collision.When you maint

1-7ERULES WHEN ENCOUNTERINGVESSELSThere are three main situations whichyou may encounter with other vesselswhich could lead to a collision unlessthe

E1. When the sailing vessel is overtakingthe power-driven vessel, the power-driven vessel has the right-of-way.2. Sailing vessels should keep clear of

E111A111Proceeding toward headof navigation from seawardCAN BUOYOdd number. Leave to port.ORSECONDARY CHANNEL BUOYSSTARTS NEW NUMBERING SYSTEMold ne

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

1-11EEMU00018GASOLINE (PETROL)If knocking or pinging occurs, use a dif-ferent brand of gasoline or premiumunleaded fuel. If unleaded gasoline is notav

1-12EEMU01395PROPELLER SELECTIONThe performance of your outboard motorwill be critically affected by your choiceof propeller, as an incorrect choice c

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1-13E6020247-1/4 x4 -A1236020257-1/4 x7-1/4-BA12 3EMU01209START-IN-GEAR PROTECTION5Yamaha outboard motors or Yamahaapproved remote control units areeq

123456EEMC00010Chapter 2BASIC COMPONENTSMAIN COMPONENTS...2-1OPERATIONS OF CONTROLS ANDOTHER FUNCTIONS ...

2-1EEMU01206MAIN COMPONENTS101221yrt!0oiuqwe!7!6!5!1!2!3!41012221 Air-vent screw2 Fuel tank cap3 Top cowling4 Anti-cavitation plate5 Propeller6 Coolin

2-2EEMU01206MAIN COMPONENTSyewq!5!4@1!7o!8@0ui101122*!2!9!6!3!1!0r1 Air vent screw2 Fuel tank cap3 Recoil starter handle4 Top cowling5 Cowling lock le

2-3EEMU01206MAIN COMPONENTS!2!1!0oi!3 !4qwertyu101213101212!5!6!7@1@2@0!9!81 Air vent screw2 Fuel tank cap3 Top cowling4 Cowling lock lever5 Steering

E2-4qwr902051e902065qwerEMC20010OPERATIONS OF CONTROLSAND OTHER FUNCTIONSEMC21012FUEL TANKIf your model was equipped with aportable fuel tank, its fun

E2-5310021NFqwqweEMC25110GEAR SHIFT LEVER (for Tiller control model)3Turning the gear-shift lever towards youengages the clutch with the forwardgear s

2-6E308044217011qEMC27011ENGINE STOP BUTTON(for Tiller control model)Pushing this button opens the ignitioncircuit and stops the engine.23523/5EMC4011

E2-7305036308044*305041EMC42110CHOKE KNOB2/5Turning this knob to right (setting it toON) supplies a rich mixture required tostart the engine.209012253

2-8E315021*qewCLOSEqOPENOPENCLOSEqEMC60010TILLER HANDLEMoving the tiller handle sideways toadjust the steering direction.503015EMC22110FUEL COCKA fuel

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

2-9E204033502015EMC64110THROTTLE FRICTIONADJUSTMENT(for Tiller control model)2A friction device provides resistance tomovement of the throttle lever.

2-10E408022404025*EMD00010STEERING FRICTION ADJUSTMENT(for Tiller control model)A friction device provides resistance tosteering movement. This is adj

2-11E403022403041403016EMD47010TILT SUPPORT KNOB2To keep the outboard motor in the tilted-up position, push the tilt support knobunder the swivel brac

2-12E301035301036EMD63010TOP COWLING LOCK LEVER3To remove the engine top cowling, pullup the front and rear lock levers. Thenlift off the cowling. Whe

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123456EEMF00010Chapter 3OPERATIONINSTALLATION ...3-1Mounting the outboard motor ...3-2Clamping the outboard

E3-1EMF10010INSTALLATIONcCIncorrect engine height or obstructionsto smooth water flow (such as thedesign or condition of the boat or acce-ssories such

E3-2104011qEMU00176MOUNTING THE OUTBOARDMOTORwImproper mounting of the outboardmotor could result in hazardous condi-tions such as poor handling, loss

E3-31040130~25mm(0~1in.)wOverpowering a boat may cause severeinstability. Do not install an outboardmotor with more horsepower than themaximum rating

3-4E409011410012EMF14010CLAMPING THE OUTBOARDMOTOR1) Place the outboard on the transomso that it is positioned as close to thecenter as possible. Tigh

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E3-5222013FILLING FUEL AND ENGINE OILEMF30110FILLING FUEL1) Put the outboard in the tilt-downposition. Remove the fuel tank cap.2) Use a funnel if the

E3-6While many additives available mayreduce deposits, Yamaha recommendsthe use of Ring Free Fuel Additive, avail-able from your Yamaha dealer. RingFr

E3-7NOTE:If using a permanently installed tank,pour the oil gradually as the fuel isbeing added to the tank.Mixingratio25 : 1Gasoline(Petrol)1 L(0.26

E3-8EMF40012PRE-OPERATION CHECKSwIf any item in the pre-operation check isnot working properly, have it inspectedand repaired before operating the out

E3-9EMF43510Engine8 Check the engine and engine mount-ing. 8 Look for loose or damaged fasteners. 8 Check the propeller for damage.cCDo not start the

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

E3-11EMU00958STARTING ENGINEw8 Before starting the engine, make surethat the boat is tightly moored andthat you can steer clear of any obstruc-tions.

E3-12902025315021*2 35OPENOPEN53) If you select the separate fuel tank,connect the fuel joints securely andsqueeze the primer bulb with the out-let en

E3-1323/5NEMU00987PROCEDURE FOR TILLER CONTROLMODEL4) Place the gear shift lever in Neutral position (except for 2-hp).NOTE:5The start-in-gear protect

E3-142090122 3/5308044*52 3STARTEMU00988Manual Start Modelw2-hp model: The propeller rotates when-ever the engine is running. Do not movethe throttle

123456ETROUBLE RECOVERYMAINTENANCEOPERATIONBASIC COMPONENTSGENERAL INFORMATIONCONTENTSINDEXREAD THIS OWNER’S MANUAL CAREFULLYBEFORE OPERATING YOUR OUT

E3-15309023*EMG00110WARMING UP ENGINEw2-hp model: The propeller rotates when-ever the engine is running. Do not movethe throttle control lever from th

E3-16503012310021*NFNF310013EMG20010SHIFTINGwBefore shifting, make sure there are noswimmers or obstacles in the waternear you.cCTo change the boat di

E3-17503012310014RNREVERSE2/3The outboard motor will make a full 360°turn in its bracket (full-pivot system).Simply turn the engine around 180° turnwi

E3-18308044EMG38010STOPPING ENGINELet it cool off for a few minutes at idle orlow speed first. Stopping the engineimmediately after operating at highs

E3-19105024*qEMU01412TRIMMING OUTBOARDMOTORThe trim angle of the outboard motorhelps determine the position of the bowof the boat in the water. The co

3-20EqqADJUSTING TRIM ANGLEEMU00951Manual tilt modelThere are 4 or 5 holes provided in theclamp bracket to adjust the outboardmotor trim angle.1) Stop

3-21E105011q105013w105015eEMU00282Bow UpWhen the boat is on plane, a bow-up atti-tude result in less drag, greater stabilityand efficiency. This is ge

3-22E105023EMG70011CRUISING IN SHALLOWWATER3/5The outboard motor can be tilted up par-tially to allow operation in shallow water.w8 Place the gear shi

3-23EN403015403031EMU00963PROCEDURE3/51) Place the gear shift lever in Neutraland face the motor forward.2) Slightly tilt up the engine until thetilt-

3-24EEMU00284TILTING UP/DOWNIf the engine will be stopped for sometime, or if the boat is moored in shallows,the engine should be tilted up to protect

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3-25ENEMU00962PROCEDURE FOR TILTING UP1) Tighten the air vent screw.If the fuel connector is provided onthe motor, remove the fuel line con-nection fr

3-26E403022403016403022*4030314) Hold the rear of the top cowling withone hand and fully tilt the engine up.25) Push the tilt support knob into thecla

3-27EEMH60010CRUISING IN OTHER CONDITIONSCRUISING IN SALT WATERAfter operating in salt water, wash outthe cooling-water passages with freshwater to pr

123456EEMK00010Chapter 4MAINTENANCESPECIFICATION DATA...4-1TRANSPORTING AND STORING OUTBOARD MOTOR ...

4-1EDIMENSIONSPERFORMANCE9Overall Length mm (in.)9Overall Height S/L mm (in.)9Overall Width mm (in.)9Transom height S/L mm (in.)9Weight S/L kg (lb.)60

4-2ERegular unleaded gasoline(P.O.N.: minimum 86)1.4 (0..37, 0.32)YAMALUBE 2 STOROKE OUTBOARDOIL or an equivqlent TC-W3 certifiedoutboard oil100 : 1Hy

E4-3TRAILERING OUTBOARD MOTORThe motor should be trailered andstored in the normal running position. Ifthere is insufficient road clearance inthis pos

E4-4102015102013121 Vertical position2 Horizontal positionWhen transporting or storing the out-board motor while removed from a boat,fold the tiller h

E4-5EMU00335Filling Fuel TankFill the fuel tank with fresh fuel and addone ounce of “Yamaha Fuel Conditionerand Stabilizer” (Part No. LUB-FUELC-12-00)

E4-6EMU003398 Flushing in a Water TankcCIf the fresh water level is below the levelof the anti-cavitation plate, or if the watersupply is insufficient

123456EEMB00010Chapter 1GENERALINFORMATIONIDENTIFICATION NUMBERSRECORD...1-1Outboard motor serial numbe

4-7EEMK26010Lubrication1) Remove the spark plugs, and spray a10 second spray of Yamaha Stor-RiteEngine Fogging Oil into each cylin-der. Grease the sp

4-8EEMK32110PERIODIC MAINTENANCEwBe sure to turn off the engine when youperform maintenance unless otherwisespecified. If the owner is not familiar wi

4-9EMAINTENANCE CHARTFrequency of maintenance operations may be adjusted according to the operating con-ditions, but the following table gives general

4-10EEMU01202CLEANING AND ADJUSTING SPARKPLUGwWhen removing or installing a sparkplug, be careful not to damage the insu-lator. A damaged insulator co

4-11E903022qwWhen fitting the plug, always clean thegasket surface and use a new gasket.Wipe off any dirt from the threads andscrew in the spark plug

4-12EEMK38010CHECKING FUEL SYSTEMwGasoline (petrol) and its vapors arehighly flammable and explosive. Keepaway from sparks, cigarettes, flames orother

4-13E207034EMM52010INSPECTING AND REPLACING FUELFILTER5wGasoline (petrol) is highly flammable,and its vapors are flammable and explo-sive.8 If you hav

4-14EEMU01002ADJUSTING IDLING SPEEDw8 Do not touch or remove electrical partswhen starting or during operation.8 Keep hands, hair and clothes awayfrom

4-15ENOTE:Correct idling-speed adjustment is onlypossible if the engine is fully warmed-up.If not warmed up fully, the speed settingwill tend to be to

4-16EEMU00366GREASINGYamaha marine grease(Water resistant grease)2103081 6A1-9-1L 4 4/20/01 11:58 AM Page 17

1-1E401011qwEMB10010IDENTIFICATION NUMBERSRECORDOUTBOARD MOTOR SERIAL NUMBERThe outboard motor serial number isstamped on the label attached to the po

4-17EEMU00366GREASINGYamaha marine grease(Water resistant grease)3103082 6A1-9-1L 4 4/20/01 11:58 AM Page 18

4-18EEMU00366GREASINGYamaha marine grease(Water resistant grease)5103091 6A1-9-1L 4 4/20/01 11:58 AM Page 19

4-19E210012602051602062EML06011*CHECKING PROPELLER; SHEAR PINAND COTTER PINwYou could be seriously injured if theengine accidentally starts while you

4-20E602061602046qweRemoval1) Using the pliers provided, straightenthe cotter-pin and pull it out.2) Remove the propeller.3) Remove the shear-pin.1 Sh

4-21E602056qwert602044602053Removal1) Using the pliers provided, straightenthe cotter-pin and pull it out.2) Remove the propeller nut.3) Remove the pr

4-22E60103412qw60103612EML20010CHANGING GEAR OILwNever get under the lower unit while itis tilted, even when the tilt- supportlever is locked. Severe

4-23E601035NOTE:For disposal of used oil consult yourYamaha dealer.5) With the outboard motor in an verti-cal position, using a flexible or pres-suriz

4-24E902066604023To clean the fuel tank1) Empty the fuel tank into an approvedgasoline (petrol) container.2) Pour a small amount of suitable sol-vent

4-25E102025EML40010CHECKING BOLTS AND NUTS1) Check that bolts securing the cylinderhead and engine and the nut secur-ing the flywheel are tightened wi

123456EEMN00010Chapter 5TROUBLE RECOVERYTROUBLESHOOTING ...5-1TEMPORARY ACTION INEMERGENCY...5-5Impact

1-2Eqwqwqw235EMU01385EMISSION CONTROLINFORMATIONEMU01386NORTH AMERICAN MODELSThis engine conforms to U.S. Environ-mental Protection Agency (EPA) regul

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

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

5-3ETrouble Possible Cause Remedy1. Propeller damaged.2. Propeller pitch or diameter incorrect.3. Trim angle incorrect.4. Motor mounted at incorrect h

5-4ETrouble Possible Cause RemedyD. Engine vibratesexcessively.1. Propeller damaged.2. Propeller shaft damaged.3. Weeds or other foreign mattertangled

5-5E607011EMN20010TEMPORARY ACTION INEMERGENCYEMH80010IMPACT DAMAGEwThe outboard motor can be seriouslydamaged by a collision while operatingor traile

5-6EEMN30010STARTER WILL NOT OPERATEIf the starter mechanism does not oper-ate (engine cannot be cranked with thestarter), the engine can be started w

5-7E2Procedure1) Remove the spark plug cap cover byremoving two screws.2) Remove the aprons by removingeight screws.3) Remove the starter mechanism by

5-8E2080212080233/5Procedure1) Remove the top cowling.2) Remove the starter by removing thebolts.53) Disconnect the start-in-gear protec-tion cable fr

5-9E107012107013107014EMN50011TREATMENT OF SUBMERGEDMOTORIf the outboard motor is submerged,immediately take it a Yamaha dealer.Otherwise, some corros

123456EEMP00010Chapter 6INDEXINDEX ............6-1 6A1-9-1L 6 4/20/01 11:48 AM Page 1