Yamaha 150 Bedienungshandbuch

F150LF150OWNER’S MANUALLIT-18626-06-7763P-28199-14U.S.A.Edition

General information3EMU25300Three Stars—Ultra Low EmissionThe three-star label identifies engines thatmeet the Air Resources Board’s 2008 ex-haust emi

General information4● Know the marine laws and regulationswhere you will be boating—and obey them.For basic boating rules, see “Rules of theroad” on p

General information5EMU25413Label (counter rotation models)WARNINGEWM01281Use only a counterclockwise rotation pro-peller with this engine.Countercloc

General information6Crossing: (you are traveling across the othervessel’s path)Overtaking: (you are passing or beingpassed by another vessel)In the fo

General information7vessels, the operator should sound a pro-longed blast on the whistle (4 to 6 seconds). Ifanother vessel is around the bend, it too

General information8EMU25540Fueling instructionsWARNINGEWM00010GASOLINE AND ITS VAPORS ARE HIGH-LY FLAMMABLE AND EXPLOSIVE!● Do not smoke when refueli

General information9● Take care not to spill gasoline. If gaso-line spills, wipe it up immediately withdry rags.● Do not overfill the fuel tank.● Tigh

General information10EMU25700Battery requirementCAUTION:ECM01060Do not use a battery that does not meet thespecified capacity. If a battery which does

General information11For instructions on propeller removal and in-stallation, see page 55.EMU25770Start-in-gear protectionYamaha outboard motors or Ya

Basic components12EMU25796Main componentsNOTE:* May not be exactly as shown; also may not be included as standard equipment on all models.EMU26180Remo

ZMU01690Read this owner’s manual carefully before operating your outboard motor.U63P14E0.book Page 1 Monday, June 6, 2005 4:57 PM

Basic components13EMU26190Remote control leverMoving the lever forward from the neutral po-sition engages forward gear. Pulling the leverback from neu

Basic components14NOTE:The neutral throttle lever will operate onlywhen the remote control lever is in neutral.The remote control lever will operate o

Basic components15When constant speed is desired, tighten theadjuster to maintain the desired throttle set-ting.EMU25990Engine stop lanyard switchThe

Basic components16With the main switch in the “” (start) po-sition, the starter motor turns to start the en-gine. When the key is released, it returns

Basic components17NOTE:For instructions on using the power trim andtilt switch, see page 36.EMU26161Power trim and tilt switches (twin binnacle type)T

Basic components18EMU26340Tilt support lever for power trim and tilt or hydro tilt modelTo keep the outboard motor in the tilted up po-sition, lock th

Basic components19NOTE:The water separator and engine trouble warn-ing indicators only operate when the engine isequipped with the appropriate functio

Basic components20NOTE:After the main switch is first turned on, all seg-ments of the display come on as a test. Aftera few seconds, the gauge will ch

Basic components21● Changing the display formatPressing the “” (mode) button chang-es the display format in the following pat-tern:Total hours→Trip ho

Basic components22NOTE:The fuel level reading can be affected by theposition of the sensor in the fuel tank and theattitude of the boat in the water.

Important manual informationEMU31280To the ownerThank you for choosing a Yamaha outboardmotor. This Owner’s Manual contains infor-mation needed for pr

Basic components23mal operation. Watch the gauge when turningon the main switch to make sure all segmentscome on.EMU26750Fuel flow meterThe fuel flow

Basic components24NOTE:If twin engines are installed on your boat, thegauge will only display the total fuel economyof both engines.NOTE:● Fuel consum

Basic components25NOTE:If the two engines’ speeds are not synchro-nized while cruising, they can be synchro-nized by adjusting trim angle or throttle.

Basic components26Should the overheat warning system of oneengine activate, the engine will slow downand the buzzer will sound. This will cause theoth

Operation27EMU26901InstallationCAUTION:ECM00110Incorrect engine height or obstructions tosmooth water flow (such as the design orcondition of the boat

Operation28EMU26930Mounting height (boat bottom)To run your boat at optimum efficiency, thewater resistance (drag) of the boat and out-board motor mus

Operation29EMU27102Preoperation checksWARNINGEWM00080If any item in the preoperation check is notworking properly, have it inspected andrepaired befor

Operation303. Securely close the cap after filling thetank. Wipe up any spilled fuel.EMU27270Ring Free Fuel AdditiveGasoline is a precise blend of man

Operation31NOTE:The start-in-gear protection device preventsthe engine from starting except when in neu-tral.2. Attach the engine stop switch lanyard

Operation324. Turn the main switch to “” (start),and hold it for a maximum of 5 seconds.5. Immediately after the engine starts, re-lease the main swit

Important manual informationU63P14E0.book Page 2 Monday, June 6, 2005 4:57 PM

Operation33hole is blocked. Consult your Yamahadealer if the problem cannot be locatedand corrected.● If the cooling passage is frozen, it maytake awh

Operation34Remote control modelsPull up the neutral interlock trigger (ifequipped) and move the remote control leverquickly and firmly from neutral to

Operation35engine, and propeller. Correct trim is also af-fected by variables such as the load in theboat, sea conditions, and running speed.WARNINGEW

Operation36EMU27911Adjusting boat trimWhen the boat is on plane, a bow-up attituderesults in less drag, greater stability and effi-ciency. This is gen

Operation37WARNINGEWM00250Leaking fuel is a fire hazard. If there is afuel joint on the outboard motor, discon-nect the fuel line or close the fuel co

Operation384. Push the tilt support knob into the clampbracket or pull the tilt support lever towardyou to support the engine.WARNINGEWM00260After til

Operation39EMU28060Cruising in shallow waterThe outboard motor can be tilted up partiallyto allow operation in shallow water.EMU28090Power trim and ti

Operation402. Slightly tilt the outboard motor up to thedesired position using the power trim / tiltswitch.3. To return the outboard motor to the nor-

Maintenance41EMU28217SpecificationsDimension:Overall length:822 mm (32.4 in)Overall width:511 mm (20.1 in)Overall height L:1714 mm (67.5 in)Overall he

Maintenance42EMU28222Transporting and storing outboard motorWARNINGEWM00690● Leaking fuel is a fire hazard. When trans-porting and storing the outboar

Table of contentsGeneral information ...1Identification numbers record... 1Outboard motor serial number ... 1Key number ...

Maintenance43EMU28301ProcedureEMU30740Flushing with the flushing attachment1. Wash the outboard motor body usingfresh water. For further information,

Maintenance44ging hole of the silencer cover, ifequipped. When properly done, the en-gine will smoke excessively and almoststall.8. Remove the flushin

Maintenance45Procedure1. Disconnect and remove the battery fromthe boat. Always disconnect the blacknegative cable first to prevent the risk ofshortin

Maintenance46cause serious overheating. Be sure theconnector is tightened securely on the fit-ting after flushing the engine.NOTE:● When flushing the

Maintenance47EMU30562Maintenance chartNOTE:● Refer to the sections in this chapter for explanations of each owner-specific action.● The maintenance cy

Maintenance48EMU28874Maintenance chart (additional)EMU28910NOTE:When using lead or high-sulfur gasoline, inspecting valve clearance may be required mo

Maintenance49EMU28931GreasingYamaha marine grease (Water resistant grease)EMU28952Cleaning and adjusting spark plugWARNINGEWM00560When removing or ins

Maintenance50spark plug because heat and deposits willcause the spark plug to slowly break downand erode. If electrode erosion becomes ex-cessive, or

Maintenance51Checkpoints● Fuel system parts leakage● Fuel line joint leakage● Fuel line cracks or other damage● Fuel connector leakageEMU28980Inspecti

Maintenance524. Install the filter element and filter cup intothe filter housing.5. Tighten the ring nut so that one of thelarger ring nut tabs is ali

Table of contentsOperating engine... 30Feeding fuel... 30Starting engine ...

Maintenance532. Prepare a suitable container that holds alarger amount than the engine oil capaci-ty. Loosen and remove the drain screwwhile holding t

Maintenance547. Dispose of used oil according to localregulations.NOTE:● For more information on the disposal ofused oil, consult your Yamaha dealer.●

Maintenance555. Check that the tilt rod and trim rods arefree of corrosion or other flaws.6. Activate the tilt-down switch until the trimrods have ret

Maintenance56● 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 unde

Maintenance57NOTE:If the propeller nut does not align with the pro-peller shaft hole after tightening to the speci-fied torque, tighten the nut furthe

Maintenance586. When the oil begins to flow out of the oillevel plug hole, insert and tighten the oillevel plug.7. Insert and tighten the gear oil dra

Maintenance59● Drink large quantities of water or milkfollowed by milk of magnesia, beatenegg, or vegetable oil. Get immediatemedical attention.Batter

Maintenance60Connect the RED battery cable to the POSI-TIVE (+) terminal first. Then connect theBLACK battery cable to the NEGATIVE (-) ter-minal.Conn

Maintenance61EMU29400Coating the boat bottomA clean hull improves boat performance. Theboat bottom should be kept as clean of marinegrowth as possible

Trouble Recovery62EMU29424TroubleshootingA problem in the fuel, compression, or ignitionsystems can cause poor starting, loss of pow-er, or other prob

Table of contentsConsumer information...68Important warranty information for U.S.A. and Canada ... 68YAMAHA MOTOR CORPORATION, U.

Trouble Recovery63A. Check for pinched or kinked fuel line or oth-er obstructions in fuel system.Q. Is fuel contaminated or stale?A. Fill tank with cl

Trouble Recovery64Q. Is load on boat improperly distributed?A. Distribute load to place boat on an evenplane.Q. Is water pump or thermostat faulty?A.

Trouble Recovery65A. Connect correctly.Q. Is heat range of spark plug incorrect?A. Inspect spark plug and replace it with rec-ommended type.Q. Is high

Trouble Recovery66EMU29471Replacing fuseIf a fuse has blown, remove the electrical cov-er, open the fuse holder and remove the fusewith a fuse puller

Trouble Recovery672. Put the engine in the desired position,then tighten the manual valve screw byturning it clockwise.EMU29760Treatment of submerged

Consumer information68EMU29811Important warranty information for U.S.A. and CanadaU63P14E0.book Page 68 Monday, June 6, 2005 4:57 PM

Consumer information69U63P14E0.book Page 69 Monday, June 6, 2005 4:57 PM

Consumer information70EMU29830YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTYU63P14E0.book Page 70 Monday, J

Consumer information71U63P14E0.book Page 71 Monday, June 6, 2005 4:57 PM

Consumer information72EMU29841IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADAU63P14E0.book Page 72 Monday, June 6, 2

General information1EMU25170Identification numbers recordEMU25182Outboard motor serial numberThe outboard motor serial number is stampedon the label a

May 2005–4.3 × 1 CRPrinted in JapanPrinted on recycled paperYAMAHA MOTOR CORPORATION, USA

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

General information2EMU25262Manufactured date labelThis label is attached to the clamp bracket orthe swivel bracket.EMU25272Star labelsYour outboard m