Read this manual carefully before operating thisoutboard motor.OWNER’S MANUAL40XE40X66T-28199-2C-E066T-9-2C-1E0.book 1 ページ 2010年2月10日 水曜日 午前10時18分
4General informationEMU25171Identification numbers recordEMU25183Outboard motor serial numberThe outboard motor serial number isstamped on the label a
General information5EMU25213C-Tick labelEngines affixed with this label conform tocertain portion(s) of the Australian RadioCommunications Act.1. CE m
General information6EMU33522Read manuals and labelsBefore operating or working on this outboard motor:● Read this manual.● Read any manuals supplied w
General information7EMU33912Contents of labelsThe above warning labels mean as follows.1WARNINGEWM01691Emergency starting does not have start-in-gear
General information8EMU33843SymbolsThe following symbols mean as follows.Notice/WarningRead Owner’s ManualHazard caused by continuous rotationElectric
9Specifications and requirementsEMU31480SpecificationsTIP:“(AL)” stated in the specification data belowrepresents the numerical value for the alumi-nu
Specifications and requirements10E40XMH Manual tiltPropeller mark: GFuel and oil:Recommended fuel: Regular unleaded gasolineFuel tank capacity: 24 L (
Specifications and requirements11your Yamaha dealer.The remote control unit must be equippedwith a start-in-gear protection device(s). Thisdevice prev
Specifications and requirements12EMU25770Start-in-gear protectionYamaha outboard motors or Yamaha-ap-proved remote control units are equippedwith star
Specifications and requirements13boat bottom can be coated with an anti-foul-ing paint approved for your area to inhibitmarine growth.Do not use anti-
EMU25052Read this manual carefully before operating this outboard motor. Keep this manual onboard in a waterproof bag when boating. This manual should
14ComponentsEMU2579TComponents diagramTIP:* May not be exactly as shown; also may not be included as standard equipment on all mod-els (order from dea
Components15WARNINGEWM00020The fuel tank supplied with this engine isits dedicated fuel reservoir and must notbe used as a fuel storage container. Com
Components16EMU26201Neutral interlock triggerTo shift out of neutral, first pull the neutral in-terlock trigger up.EMU26212Neutral throttle leverTo op
Components17the left or right as necessary.EMU25923Gear shift leverMove the gear shift lever forward to engagethe forward gear or rearward to engage t
Components18or throttle grip, which could result in anaccident. [EWM00032] When constant speed is desired, tighten theadjuster to maintain the desired
Components19EMU26012Choke knob for pull typeTo supply the engine with the rich fuel mix-ture required to start, pull out this knob.EMU26073Manual star
Components20If the resistance does not increase evenwhen the lever is turned to the port side “A”,make sure that the nut is tightened to thespecified
Components21EMU26244Trim tab with anodeWARNINGEWM00840An improperly adjusted trim tab couldcause difficult steering. Always test runafter the trim tab
Components22To lock it, set the tilt lock lever in the lock po-sition. To release, push the tilt lock lever inthe release position.EMU26321Tilt suppor
Components231. Cowling lock lever(s)ZMU02009166T-9-2C-1E0.book 23 ページ 2010年2月10日 水曜日 午前10時18分
Important manual informationEMU25107To the ownerThank you for selecting a Yamaha outboardmotor. This Owner’s Manual contains infor-mation needed for p
24Instruments and indicatorsEMU26481Analog tachometerThe gauge shows the engine speed.EMU26591Analog speedometerThis gauge shows the boat speed in km/
25Engine control systemEMU26803Alert systemNOTICEECM00091Do not continue to operate the engine if aalert device has activated. Consult yourYamaha deal
26InstallationEMU26902InstallationThe information presented in this section isintended as reference only. It is not possibleto provide complete instru
Installation27NOTICEECM01634● Make sure that the idle hole is highenough to prevent water from enteringthe engine even if the boat is stationarywith t
Installation28packaging. If used, they must be of atleast the same quality of material andstrength and must be tightened se-curely. After tightening,
29OperationEMU36381First-time operationEMU30174Breaking in engineYour new engine requires a period of break-in to allow mating surfaces of moving part
Operation30EMU37141Fuel levelBe sure you have plenty of fuel for your trip.A good rule is to use 1/3 of your fuel to get tothe destination, 1/3 to ret
Operation31● Operate the throttle levers several times tomake sure there is no hesitation in theirtravel. Operation should be smooth overthe complete
Operation32EMU34581Power trim and tilt systemWARNINGEWM01930● Never get under the lower unit while itis tilted, even when the tilt support leveris loc
Operation33some gasoline in your eyes, see yourdoctor immediately. If gasoline spillson your skin, wash with soap and wa-ter. If gasoline spills on yo
Table of contentsSafety information... 1Outboard motor safety ...1Propeller...
Operation34If equipped with a portable fuel tank1. Pour oil into the portable fuel tank, andthen add gasoline.2. Replace the fuel tank cap and closeti
Operation35the oil gradually as the gasoline is being add-ed to the tank.EMU27452Operating engineWARNINGEWM00420● Before starting the engine, make sur
Operation36EMU27493Starting engineWARNINGEWM01600Before starting the engine, make surethat the boat is tightly moored and thatyou can steer clear of a
Operation374. Pull out / turn the choke knob fully. Afterthe engine starts, replace / return theknob to the home position.TIP:● It is not necessary to
Operation38EMU27636Manual start models (remote control)WARNINGEWM01840● Failure to attached engine shut-off cordcould result in a runaway boat if oper
Operation39TIP:● It is not necessary to use the choke whenstarting a warm engine.● If the choke knob is left in the “ ”(start) position while the engi
Operation40or leg. Then install the clip on the otherend of the cord into the engine shut-offswitch.3. Turn the main switch to “ ” (on).4. Open the th
Operation417. Immediately after the engine starts, re-lease the main switch and allow it to re-turn to “ ” (on). NOTICE: Never turnthe main switch to
Operation42swimmers or obstacles in the water nearyou.NOTICEECM01610Warm up the engine before shifting intogear. Until the engine is warm, the idlespe
Operation432. After the engine is at idle speed in gearmove the remote control lever / gearshift lever firmly and crisply into the neu-tral position.E
Table of contentsHour meter ... 24Engine control system... 25Alert system ...
Operation442. After stopping the engine, disconnectthe fuel line if there is a fuel joint on theoutboard motor.3. Tighten the air vent screw on the fu
Operation45EMU27872Adjusting trim angle for manual tilt modelsThere are 4 or 5 holes provided in the clampbracket to adjust the outboard motor trim an
Operation46board motor when adjusting the trimangle. Body parts can be crushed be-tween the motor and the clamp bracketwhen the motor is trimmed or ti
Operation47also makes the boat unstable. Resistance atthe bow is greatly increased, heightening thedanger of “bow steering” and making opera-tion diff
Operation483. Place the tilt lock lever (if equipped) inthe release/up position.4. Pull up the shallow water lever (ifequipped).5. Hold the rear of th
Operation49tilt support knob or tilt support lever.Otherwise the outboard motor couldfall back down suddenly if oil in thepower trim and tilt unit or
Operation503. If equipped with a tilt support knob: Pullit out, then slowly tilt the engine down.EMU28061Shallow waterEMU28073Cruising in shallow wate
Operation51cruising.4. To return the outboard motor to the nor-mal running position, place the remotecontrol lever / gear shift lever in neutral.5. Pl
Operation52EMU28195Cruising in other conditionsCruising in salt waterAfter operating in salt water, flush the coolingwater passages with fresh water t
53MaintenanceEMU2822ATransporting and storing outboard motorWARNINGEWM02620● USE CARE when transporting fuel tank,whether in a boat or car.● DO NOT fi
Table of contentsConnecting the battery... 67Disconnecting the battery ... 67Trouble Recovery...
Maintenance54TIP:Place a towel or something similar under theoutboard motor to protect it from damage.EMU30272Storing outboard motorWhen storing your
Maintenance55properly done, the engine will smoke ex-cessively and almost stall.8. Remove the outboard motor from thetest tank.9. Install the silencer
Maintenance56● The power trim and tilt switches oper-ate even when the ignition key is off.Keep people away from the switcheswhenever working around t
Maintenance57EMU34446Maintenance chart 1TIP:● Refer to the sections in this chapter for explanations of each owner-specific action.● The maintenance c
Maintenance58Fuel line (High pres-sure)Inspection or replace-ment as necessaryFuel line (Low pres-sure)InspectionFuel line (Low pres-sure)Inspection o
Maintenance59EMU34451Maintenance chart 2(Yamaha) Meter/gauge InspectionFuel tank (Yamaha por-table tank)Inspection and clean-ing as necessaryItem Acti
Maintenance60EMU28943GreasingYamaha grease A (water resistant grease)Yamaha grease D (corrosion resistant grease; for propeller shaft)E40XMHZMU0307466
Maintenance6140XWTEMU28957Cleaning and adjusting spark plugThe spark plug is an important engine com-ponent and is easy to inspect. The conditionof th
Maintenance62otherwise the engine may not operateproperly. Before fitting the spark plug,measure the electrode gap with a wirethickness gauge; replace
Maintenance63other qualified mechanic.EMU29114Inspecting wiring and connectors● Inspect that each connector is engagedsecurely.● Inspect that each gro
1Safety informationEMU33622Outboard motor safetyObserve these precautions at all times.EMU36501PropellerPeople can be injured or killed if they comein
Maintenance643. Remove the propeller, washer (ifequipped), and thrust washer.EMU30672Installing propellerEMU29234Spline modelsNOTICEECM00501Make sure
Maintenance65sible.2. Place a suitable container under thegear case.3. Remove the gear oil drain screw andgasket. NOTICE: If there is an exces-sive qu
Maintenance66● Keep away from sparks, cigarettes,flames, or other sources of ignitionwhen cleaning the fuel tank.● Remove the fuel tank from the boat
Maintenance67hydrogen gas. When working near thebattery:● Wear protective eye gear and rubbergloves.● Do not smoke or bring any other sourceof ignitio
Maintenance68equipped) and main switch. NOTICE: Ifthey are left on, the electrical systemcan be damaged. [ECM01930] 2. Disconnect the negative cable(s
69Trouble RecoveryEMU29427TroubleshootingA problem in the fuel, compression, or igni-tion systems can cause poor starting, loss ofpower, or other prob
Trouble Recovery70Q. Is fuel system obstructed?A. Check for pinched or kinked fuel line orother obstructions in fuel system.Q. Is fuel contaminated or
Trouble Recovery71Q. Is load on boat improperly distributed?A. Distribute load to place boat on an evenplane.Q. Is water pump or thermostat faulty?A.
Trouble Recovery72Q. Is fuel joint connection incorrect?A. Connect correctly.Q. Is heat range of spark plug incorrect?A. Inspect spark plug and replac
Trouble Recovery73EMU29512Power trim and tilt will not operateIf the engine cannot be tilted up or down withthe power trim and tilt because of a dis-c
Safety information2EMU33820Gasoline exposure and spillsTake care not to spill gasoline. If gasolinespills, wipe it up immediately with dry rags.Dispos
Trouble Recovery74plug wire, spark plug cap, or other elec-trical components when starting or op-erating the motor. You could get anelectrical shock.E
Trouble Recovery756. Insert the knotted end of the emergencystarter rope into the notch in the flywheelrotor and wind the rope several turnsaround the
YAMAHA MOTOR CO., LTD.Printed on recycled paperPrinted in JapanMarch 2010–0.3 1 !66T-9-2C-1E0.book 1 ページ 2010年2月10日 水曜日 午前10時18分
Safety information3swamping.EMU33772Avoid collisionsScan constantly for people, objects, and oth-er boats. Be alert for conditions that limit yourvisi
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