Yamaha F40F Owner's Manual

Read this manual carefully before operating thisoutboard motor.OWNER’S MANUALF30F40LIT-18626-10-186BG-28199-39-E06BG-9-39-1E0.book 1 ページ ２０１３年４月２９日

Safety information4go to boatus.org.For CanadaAll operators of pleasure craft must illustratecompetency by means of a Pleasure CraftOperators Card wit

Trouble Recovery94Q. Is load on boat improperly distributed?A. Distribute load to place boat on an evenplane.Q. Is water pump or thermostat faulty?A.

Trouble Recovery95Q. Is fuel joint connection incorrect?A. Connect correctly.Q. Is heat range of spark plug incorrect?A. Inspect spark plug and replac

Trouble Recovery96 EMU29512Power trim and tilt will not operateIf the engine cannot be tilted up or down withthe power trim and tilt because of a dis

Trouble Recovery97If the water separator-alert indicator on theCommand Link Multifunction Tachometerblinks, perform the following procedure.1. Stop th

Trouble Recovery989. Fasten the water detection switch leadwith the holder.10. Install the top cowling.11. Start the engine and make sure that thewate

Trouble Recovery99trical components when starting or op-erating the motor. You could get anelectrical shock.EMU44402Emergency starting engine1. Remove

Trouble Recovery100EMU33501Treatment of submerged motorIf the outboard motor is submerged, immedi-ately take it to a Yamaha dealer. Otherwisesome corr

101Consumer informationEMU29836YAMAHA FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTYZMU07048Yamaha Motor Corporation, U.S.A. and Yamaha Motor

Consumer information102ZMU07047SPECIFIC PARTS EXCLUDED FROM WARRANTY. Parts replaced due to normal wear or routine maintenance such as oil, spark plug

Consumer information103EMU29845IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE U.S.A. OR CANADAWelcome to the Yamaha Family!Congratu

Safety information5Suite 8Bolton, ONL7E 1H1http://www.nmma.org/ EMU33691Basic boating rules (Rules of the road)Just as there are rules that apply when

6BG-9-39-1E0.book 104 ページ ２０１３年４月２９日　月曜日　午前９時４１分

EMU43021For your best ownership experience, think Genuine Yamaha!Genuine Yamaha Parts — Genuine Yamaha replacement parts are the exact same partsas th

Printed on recycled paperPrinted in JapanMay 2013–0.6  1 !6BG-9-39-1E0.book 1 ページ ２０１３年４月２９日　月曜日　午前９時４１分

Safety information6MeetingIf you are meeting another power vesselhead on, and are close enough to run the riskof collision, neither of you has the rig

Safety information7trawls are considered to be “fishing vessels”under the International Rules. Vessels withtrolling lines are not considered fishing v

Safety information8ZMU017086BG-9-39-1E0.book 8 ページ ２０１３年４月２９日　月曜日　午前９時４１分

9General informationEMU25171Identification numbers recordEMU25184Outboard motor serial numberThe outboard motor serial number isstamped on the label a

General information10EMU33523Read manuals and labelsBefore operating or working on this outboard motor: Read this manual. Read any manuals supplied

General information11EMU33912Contents of labelsThe above warning labels mean as follows.1WARNINGEWM01691Emergency starting does not have start-in-gear

General information12EMU35132SymbolsThe following symbols mean as follows.Notice/WarningRead Owner’s ManualHazard caused by continuous rotationElectri

13Specifications and requirementsEMU34521SpecificationsTIP:“(AL)” stated in the specification data belowrepresents the numerical value for the alumi-n

EMU25063ZMU07696Les gaz d’échappement du moteur de ce produit contiennent des substances chimiques connues dans l’État de Californie pour provoquer le

Specifications and requirements14Propeller mark: GFuel and oil:Recommended fuel: Regular unleaded gasolineMin. pump octane number (PON): 86Fuel tank c

Specifications and requirements15your Yamaha dealer.The remote control unit must be equippedwith a start-in-gear protection device(s). Thisdevice prev

Specifications and requirements16 EMU25770Start-in-gear protectionYamaha outboard motors or Yamaha-ap-proved remote control units are equippedwith st

Specifications and requirements17Recommended engine oil grade 2EMU36360Fuel requirementsEMU41331GasolineUse a good quality gasoline that meets themini

Specifications and requirements18used in gasoline distribution. These re-leased deposits contaminate the fuel andcan cause problems, such as clogged f

Specifications and requirements19bottom of the hull can be coated with an anti-fouling paint to inhibit marine growth.Anti-fouling paints specifically

Specifications and requirements20 EMU25263Manufactured date labelThis label is attached to the clamp bracket orthe swivel bracket. EMU25274Star labels

Specifications and requirements21EMU40340Two Stars—Very Low EmissionThe two-star label identifies engines thatmeet the Air Resources Board’s PersonalW

22ComponentsEMU2579YComponents diagramTIP:* May not be exactly as shown; also may not be included as standard equipment on all mod-els (order from dea

Components23EMU25803Fuel tankIf your model was equipped with a portablefuel tank, its function is as follows.WARNINGEWM00020The fuel tank supplied wit

Important manual informationEMU44140To the ownerThank you for selecting a Yamaha outboardmotor. This Owner’s Manual contains infor-mation needed for p

Components24EMU25830Fuel jointThis joint is used to connect the fuel line.EMU43120Fuel gaugeThis gauge shows the approximate amountof fuel remaining i

Components25EMU26212Neutral throttle leverTo open the throttle without shifting into ei-ther forward or reverse, put the remote con-trol lever in the

Components26 EMU25962Throttle indicator The fuel consumption curve on the throttleindicator shows the relative amount of fuelconsumed for each throttl

Components27tangled, preventing it from functioning.Avoid accidentally pulling the cord dur-ing normal operation. Loss of enginepower means the loss o

Components28EMU31432Steering friction adjusterA friction device provides adjustable resis-tance to the steering mechanism, and can beset according to

Components29EMU26155Power trim and tilt switch on bottom cowlingThe power trim and tilt switch is located onthe side of the bottom cowling. Pushing th

Components30proximately 3000 r/min. For instructions on using the variable troll-ing RPM switches, see page 61.EMU26244Trim tab with anodeWARNINGEWM0

Components31when trailering the boat. The outboardmotor could shake loose from the tilt sup-port and fall. If the motor cannot be trail-ered in the no

Components32mediately.TIP:Adding an in-line 10-micron fuel filter hasbeen show to greatly reduce the chance offuel contamination problems. Consult you

33Instruments and indicatorsEMU36015Indicators EMU36024Low oil pressure-alert indicatorIf oil pressure drops too low, this indicator willlight up. For

Table of contentsSafety information... 1Outboard motor safety ...1Propeller...

Instruments and indicators34EMU36050TachometerThe tachometer displays engine speed inhundreds of revolutions per minute (r/min).For example, if the ta

Instruments and indicators35EMU26583Overheat-alert indicatorIf the engine temperature rises too high, thealert indicator will start to blink. For furt

Instruments and indicators36all segments are showing, the fuel tank isfull.The fuel level reading can be inaccurate dueto the position of the sensor i

Instruments and indicators37EMU36080VoltmeterThe voltmeter displays the charge of the bat-tery in volts(V).EMU26721Fuel level-alert indicatorIf the fu

Instruments and indicators38the cooling water pressure display can beshown by connecting an optional sensor tothe unit. For the optional sensor, consu

Instruments and indicators39mediately.TIP:To stop the buzzer, press the “ ” (set) or“ ” (mode) button.EMU37690Adjusting trolling speedYou can adjust t

Instruments and indicators40NOTICEECM01601Do not continue to run the engine if thelow oil pressure alert device has activat-ed. Serious engine damage

Instruments and indicators41ately.NOTICEECM00920In such an event, the engine will not oper-ate properly. Consult a Yamaha dealer im-mediately.EMU36170

Instruments and indicators42& fuel meter unit type.After the main switch is first turned to the“ ” (on) position, all of the displays come onas a

Instruments and indicators43by connecting an optional sensor to the unit.In addition, if optional sensors are connectedto the unit, water surface temp

Table of contentsTilt lock mechanism ... 30Tilt support knob ... 30Cowling lock lever(s) (turn type)...

44Engine control systemEMU26803Alert systemNOTICEECM00091Do not continue to operate the engine if aalert device has activated. Consult yourYamaha deal

Engine control system45pressure-alert indicator will light or blink. The buzzer will sound.If the alert system has activated, stop the en-gine as soo

46InstallationEMU26902InstallationThe information presented in this section isintended as reference only. It is not possibleto provide complete instru

Installation47NOTICEECM01634 Make sure that the idle hole is highenough to prevent water from enteringthe engine even if the boat is stationarywith t

48OperationEMU36381First-time operationEMU36391Fill engine oilThe engine is shipped from the factory with-out engine oil. If your dealer did not fill

Operation49A good rule is to use 1/3 of your fuel to get tothe destination, 1/3 to return, and to keep 1/3as an emergency reserve. With the boat lev-e

Operation50make sure there is no hesitation in theirtravel. Operation should be smooth overthe complete range of motion, and each le-ver should return

Operation51EMU27153Engine Check the engine and engine mounting. Look for loose or damaged fasteners. Check the propeller for damage. Check for eng

Operation52 Be sure no one is near the outboardmotor before performing this check.1. Check the power trim and tilt unit for anysign of oil leaks.2. O

Operation532. Turn the air vent screw clockwise toclose it.3. Remove the fuel tank from the boat.4. To loosen the air vent screw, turn itcounterclockw

Table of contentsTilting up and down ... 65Procedure for tilting up (hydro tilt models) ...

Operation54TIP: Wipe up any spilled gasoline immediatelywith dry rags. Dispose of rags properly according to locallaws or regulations.8. Turn the fu

Operation552. Check the direction of the fuel hose.Make sure that the arrow of the primerpump points toward the outboard motor.3. Align the fuel joint

Operation56TIP: When using the fuel tank on the boat, afuel valve may also be equipped on theboat. Open the fuel valve. Check the boat’s manual for

Operation57sition.4. Turn the main switch to “ ” (start),and hold it for a maximum of 5 seconds.5. Immediately after the engine starts, re-lease the m

Operation582. Attach the engine shut-off cord to a se-cure place on your clothing, or your armor leg. Then install the clip on the otherend of the cor

Operation59 EMU27670Warming up engineEMU27716Manual start and electric start models1. After starting the engine, allow it to idlefor 3 minutes to warm

Operation60gear) [about 35 (a detent can felt) for re-mote control models]. Be sure to checkthat the tilt lock lever is in the lock/downposition (if

Operation61EMU31742Stopping boatWARNINGEWM01510 Do not use the reverse function to slowdown or stop the boat as it could causeyou to lose control, be

Operation622. After stopping the engine, disconnectthe fuel hose from the fuel joint on theoutboard motor.3. Disconnect the fuel hose from the fueljoi

Operation635. Remove the key if the boat will be left un-attended.TIP:The engine can also be stopped by pullingthe cord and removing the clip from the

1Safety informationEMU33622Outboard motor safetyObserve these precautions at all times.EMU36501PropellerPeople can be injured or killed if they comein

Operation64 To raise the bow (trim-out), press the switch“ ” (up).To lower the bow (trim-in), press the switch“ ” (down).Make test runs with the trim

Operation65the boat is down, it is easier to acceleratefrom a standing start onto plane.Bow UpToo much trim-out puts the bow of the boattoo high in th

Operation66on page 61. Never tilt the outboard mo-tor while the engine is running. Severedamage from overheating can result. Do not tilt up the engin

Operation672. Press the power trim and tilt switch “ ”(up) until the outboard motor has tiltedup completely.3. Push the tilt support knob into the cla

Operation682. Hold the rear of the top cowling with onehand, tilt the outboard motor up slightlyand pull out the tilt support knob or re-turn the tilt

Operation69EMU28062Shallow water EMU28081Hydro tilt modelsThe outboard motor can be tilted up partiallyto allow operation in shallow water.WARNINGEWM0

Operation70tilt the outboard motor down.5. Push the tilt lock lever down to the lockposition.EMU32851Power trim and tilt modelsThe outboard motor can

Operation713. To return the outboard motor to the nor-mal running position, press the powertrim and tilt switch and slowly tilt the out-board motor do

72MaintenanceEMU43251Transporting and storing outboard motorWARNINGEWM02620 USE CARE when transporting fuel tank,whether in a boat or car. DO NOT fi

Maintenance73the attitude shown when transportingand storing it. If storing or transportingthe outboard motor on its side (not up-right), put it on a

Safety information2EMU33820Gasoline exposure and spillsTake care not to spill gasoline. If gasolinespills, wipe it up immediately with dry rags.Dispos

Maintenance74almost stall.9. Remove the outboard motor from thetest tank.10. Drain the cooling water completely out ofthe motor. Clean the body thorou

Maintenance75and almost stall.8. Remove the flushing attachment andwipe off any excess water.9. Install the top cowling and propeller.10. Drain the co

Maintenance76fresh water supply, and then connect itto the garden hose connector.3. With the engine off, turn on the water tapand let the water flush

Maintenance77 The power trim and tilt switches oper-ate even when the ignition key is off.Keep people away from the switcheswhenever working around t

Maintenance78EMU34446Maintenance chart 1TIP: Refer to the sections in this chapter for explanations of each owner-specific action. The maintenance c

Maintenance79Fuel line (High pres-sure)Inspection or replace-ment as necessaryFuel line (Low pres-sure)InspectionFuel line (Low pres-sure)Inspection o

Maintenance80EMU34451Maintenance chart 2Wire harness connec-tions/wire coupler con-nectionsInspection or replace-ment as necessary(Yamaha) Meter/gauge

Maintenance81EMU28934GreasingYamaha marine grease (Water resistant grease)F30EHA, F40EHA, ZMU064176BG-9-39-1E0.book 81 ページ ２０１３年４月２９日　月曜日　午前９時４１分

Maintenance82F30A, F40AEMU28958Cleaning and adjusting spark plugThe spark plug is an important engine com-ponent and is easy to inspect. The condition

Maintenance83allow external sparks, which couldlead to explosion or fire. [EWM00561] 3. Be sure to use the specified spark plug,otherwise the engine m

Safety information3EMU33772Avoid collisionsScan constantly for people, objects, and oth-er boats. Be alert for conditions that limit yourvisibility or

Maintenance84fastened to the transom or a stablestand.NOTICEECM01710Change the engine oil after the first 20hours of operation or 3 months, and ev-ery

Maintenance85TIP:If a torque wrench is not available when youare installing the drain screw, finger tightenthe screw just until the gasket comes intoc

Maintenance86TIP: For more information on the disposal ofused oil, consult your Yamaha dealer. Change the oil more often when operatingthe engine un

Maintenance87EMU30662Removing propellerEMU29197Spline models1. Straighten the cotter pin and pull it outusing a pair of pliers.2. Remove the propeller

Maintenance88stand. You could be severely injured ifthe outboard motor falls on you. Never get under the lower unit while itis tilted, even when the

Maintenance89EMU29316Inspecting and replacing anode(s)Yamaha outboard motors are protected fromcorrosion by sacrificial anodes. Inspect theexternal an

Maintenance90ies for different batteries. This procedurecontains typical checks that apply to manybatteries, but you should always refer to thebattery

Maintenance913. Disconnect the positive cable(s) and re-move the battery from the boat.4. Clean, maintain, and store the batteryaccording to the manuf

92Trouble RecoveryEMU29427TroubleshootingA problem in the fuel, compression, or igni-tion systems can cause poor starting, loss ofpower, or other prob

Trouble Recovery93Q. Is fuel system obstructed?A. Check for pinched or kinked fuel line orother obstructions in fuel system.Q. Is fuel contaminated or