Yamaha F8F Owner'S Manual Download

Page: 1 / 98

Read this manual carefully before operating this

outboard motor.

OWNER’S MANUAL

F6D
F8F
FT8G

6FW-28199-76-E0

U6FW76E0.book Page 1 Tuesday, November 23, 2021 7:37 AM

Summary of Contents for F8F

Page 1: ...Read this manual carefully before operating this outboard motor OWNER S MANUAL F6D F8F FT8G 6FW 28199 76 E0 U6FW76E0 book Page 1 Tuesday November 23 2021 7 37 AM...

Page 2: ...refully before operating this outboard motor Keep this manual onboard in a waterproof bag when boating This manual should stay with the outboard motor if it is sold U6FW76E0 book Page 1 Tuesday Novemb...

Page 3: ...ur machine and this manual If there is any question concerning this manual please consult your Yamaha dealer To ensure long product life Yamaha recom mends that you use the product and perform the spe...

Page 4: ...ing 12 Mounting outboard motor 13 Remote control requirements 13 Battery requirements 13 Battery specifications 13 To use the battery 13 Propeller selection 14 Start in gear protection 14 Engine oil r...

Page 5: ...art and electric start models 46 Checks after engine warm up 46 Shifting 46 Stop switches 46 Shifting 46 Stopping boat 48 Stopping engine 48 Procedure 48 Procedure 49 Trimming outboard motor 49 Adjust...

Page 6: ...ar oil 76 Inspecting and replacing anode s 77 Checking battery for electric start models 78 Connecting the battery 78 Disconnecting the battery 79 Trouble Recovery 80 Troubleshooting 80 Temporary acti...

Page 7: ...or electrocution EMU34791 Power tilt Body parts can be crushed between the mo tor and the clamp bracket when the motor is trimmed or tilted Keep body parts out of this area at all times Be sure no one...

Page 8: ...ld follow when boating EMU33711 Alcohol and drugs Never operate after drinking alcohol or taking drugs Intoxication is one of the most com mon factors contributing to boating fatalities EMU40281 Perso...

Page 9: ...sion Take early action to avoid collisions Re member boats do not have brakes and stopping the engine or reducing throttle can reduce the ability to steer If you are not sure that you can stop in time...

Page 10: ...emergency EMU33891 Boating safety publications Be informed about boating safety Additional publications and information can be obtained from many boating organizations EMU33602 Laws and regulations Kn...

Page 11: ...f a main key switch is equipped with the mo tor the key identification number is stamped on your key as shown in the illustration Re cord this number in the space provided for reference in case you ne...

Page 12: ...ng This label is affixed to outboard motors that conform to European regulations CE marking Outboard motors affixed with this CE mark ing conform with the directives of 2006 42 EC 2014 30 EU and 2013...

Page 13: ...uals supplied with the boat Read all labels on the outboard motor and the boat If you need any additional information contact your Yamaha dealer EMU33836 Warning labels If these labels are damaged or...

Page 14: ...General information 8 F8FE FT8GE FT8GEP 1 2 3 U6FW76E0 book Page 8 Tuesday November 23 2021 7 37 AM...

Page 15: ...le the engine is running Do not touch or remove electrical parts when starting or during operation 3 EWM01672 Read Owner s Manuals and labels Wear an approved personal flotation de vice PFD Attach eng...

Page 16: ...ng Read Owner s Manual Hazard caused by continuous rotation Electrical hazard Remote control lever gear shift lever operat ing direction dual direction Engine start Engine cranking ZMU05696 ZMU05664 Z...

Page 17: ...2 0 in F6DM F6DMH F8FE F8FMH Motor transom height X 620 mm 24 4 in FT8GE FT8GMH Dry weight AL S 40 kg 88 lb F6DM F6DMH F8FMH Dry weight AL L 41 kg 90 lb F6DM F6DMH F8FMH 43 kg 95 lb F8FE FT8GMH 44 kg...

Page 18: ...4 stroke outboard motor oil Recommended engine oil grade 1 SAE 10W 30 10W 40 5W 30 API SE SF SG SH SJ SL Engine oil quantity 0 8 L 0 85 US qt 0 70 Imp qt Lubrication system Wet sump Recommended gear o...

Page 19: ...5 Battery requirements EMU25723 Battery specifications The engine cannot be started if battery volt age is too low EMU36293 Mounting battery Mount the battery holder securely in a dry well ventilated...

Page 20: ...he operating range at full throttle with the maximum boat load Generally select a larger pitch propeller for a smaller operating load and a smaller pitch propeller for a heavier load If you carry load...

Page 21: ...ge Use only fresh gasoline that has been stored in clean containers TIP This mark identifies the recommended fuel for this outboard motor as specified by Eu ropean regulation EN228 Check that gasoline...

Page 22: ...water Yamaha strongly recommends that you have your dealer install the optional chromium plated water pump kit if you use the outboard motor in muddy or acidic water conditions However depending on t...

Page 23: ...els order from dealer F6DMH F6DM F8FMH F8FE 1 8 9 10 2 3 5 6 7 12 11 4 1 Top cowling 2 Clamp bracket 3 Trim rod 4 Anode 5 Drain screw 6 Cooling water inlet 7 Propeller 8 Cowling lock lever 9 Idle hole...

Page 24: ...1 Top cowling 2 Clamp bracket 3 Trim rod 4 Anode 5 Drain screw 6 Cooling water inlet 7 Propeller 8 Cowling lock lever 9 Idle hole 10 Anti cavitation plate 11 Remote control box side mount type 12 Fue...

Page 25: ...conform to relevant licensing or approval authority regula tions 1 10 12 11 13 9 13 2 3 4 5 7 6 10 11 12 14 8 1 Manual starter handle 2 Choke knob 3 Flushing device 4 Steering friction adjuster 5 Tilt...

Page 26: ...the lever forward from the neutral po sition engages forward gear Pulling the lever back from neutral engages reverse The en gine will continue to run at idle until the lever is moved about 35 a deten...

Page 27: ...closed position EMU26222 Choke switch To activate the choke system press in the main switch while the key is turned to the on or start position The choke system will then supply the rich fuel mixture...

Page 28: ...ottle friction adjuster A friction device provides adjustable resis tance to movement of the throttle grip or the remote control lever and can be set accord ing to operator preference To increase resi...

Page 29: ...on your clothing or your arm or leg while operating Do not attach the cord to clothing that could tear loose Do not route the cord where it could become en tangled preventing it from functioning Avoid...

Page 30: ...re on and the key can not be removed start With the main switch in the start po sition the starter motor turns to start the en gine When the key is released it returns automatically to the on position...

Page 31: ...in an accident If the resistance does not increase even when the lever is turned to the port side A make sure that the nut is tightened to the specified torque TIP Steering movement is blocked when th...

Page 32: ...lered in the normal running position use an additional support device to secure it in the tilt position EMU26334 Tilt support bar The tilt support bar keeps the outboard motor in the tilted up positio...

Page 33: ...secure the top cowling EMU26464 Flushing device This device is used to clean the cooling water passages of the motor using a garden hose and tap water TIP For details on usage see page 62 EMU26305 Al...

Page 34: ...Do not continue to run the engine if the low oil pressure alert indicator is on and the engine oil level is lower Serious en gine damage will occur The low oil pressure alert indicator does not indica...

Page 35: ...low the alert de vice will activate The engine speed will automatically de crease to about 2000 3500 r min The low oil pressure alert indicator will light or blink if equipped The buzzer will sound i...

Page 36: ...or fire hazards For permanently mount ed models your dealer or other person experienced in proper rigging should mount the motor EMU34802 Mounting the outboard motor ECM01681 Do not hold the top cowl...

Page 37: ...efficiency Mount the outboard motor so that the anti cavitation plate is between the bottom of the boat and a level 25 mm 1 in below it ECM01635 Make sure that the idle hole is high enough to prevent...

Page 38: ...of control and serious inju ry Make sure the clamp screws are tightened securely Occasionally check the screws for tightness during operation EWM00643 2 If the restraint cable attachment is equipped o...

Page 39: ...odels Your new engine requires a period of 10 hours break in to allow mating surfaces of moving parts to wear in evenly TIP Run the engine in the water under load in gear with a propeller installed as...

Page 40: ...from sparks cigarettes flames or other sources of ig nition EWM00911 Leaking fuel can result in fire or explosion Check for fuel leakage regularly If any fuel leakage is found the fuel sys tem must be...

Page 41: ...ccurate ECM01791 2 Remove oil dipstick and wipe it clean 3 Insert the dipstick and remove it again Be sure to completely insert the dipstick into the dipstick guide otherwise the oil level measurement...

Page 42: ...the bottom cowling 4 Check to be sure the rubber seal is seat ed correctly between the top cowling and the bottom cowling 5 Move the cowling lock lever to lock the top cowling as shown NOTICE If the...

Page 43: ...ge A battery in good condition will pro vide a minimum of 12 volts Check that the battery connections are clean secure and covered by insulating covers The electrical connections of the battery and ca...

Page 44: ...MU27453 Operating engine EWM00421 Before starting the engine make sure that the boat is tightly moored and that you can steer clear of any obstructions Be sure there are no swimmers in the water near...

Page 45: ...that the boat is tightly moored and that you can steer clear of any obstructions Be sure there are no swimmers in the water near you EMU34815 Manual start models tiller control EWM01842 Failure to att...

Page 46: ...nd of the cord into the engine shut off switch 3 Place the throttle grip in the start position 4 Pull out the choke knob fully 5 Pull the manual starter handle slowly un til you feel resistance Then g...

Page 47: ...erwise the engine may be difficult to start If the engine is difficult to start place the throttle grip in the warm engine position and try again Starting procedure warm engine 1 Place the gear shift...

Page 48: ...eg while oper ating Do not attach the cord to clothing that could tear loose Do not route the cord where it could become entangled preventing it from functioning Avoid accidentally pulling the cord du...

Page 49: ...use the choke when starting a warm engine If the choke knob is left in the start position while the engine is running the en gine will run poorly or stall 5 Pull the manual starter handle slowly un t...

Page 50: ...peration Loss of engine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward 1 Place...

Page 51: ...wait 10 seconds then crank the engine again ECM00193 8 Return the neutral throttle lever to the original position TIP When the engine is cold for example when the ambient temperature is low in winter...

Page 52: ...ts smoothly into forward and reverse and back to neutral EMU36981 Stop switches Turn the main switch to or press the engine stop button and make sure the en gine stops Confirm that removing the clip f...

Page 53: ...ting in re verse TIP Tiller handle models The gear shift lever op erates only when the throttle grip is in the fully closed position To shift from in gear forward reverse to neu tral 1 Close the throt...

Page 54: ...Water resistance stops it af ter the throttle lever is moved back to idle The stopping distance varies depending on gross weight water surface conditions and wind direction EMU27823 Stopping engine Be...

Page 55: ...ff switch then turning the main switch to off EMU27865 Trimming outboard motor EWM00741 Excessive trim for the operating condi tions either trim up or trim down can cause boat instability and can make...

Page 56: ...instability or control problems Improper trim an gle can cause loss of control TIP The outboard motor trim angle can be changed approximately 4 degrees by shifting the trim rod one hole EMU27906 Adjus...

Page 57: ...ith the bow up the boat may have a greater tenden cy to steer to one side or the other Compen sate for this as you steer When the bow of the boat is down it is easier to accelerate from a standing sta...

Page 58: ...or and the clamp bracket EWM00251 Leaking fuel is a fire hazard If there is a fuel joint on the outboard motor discon nect the fuel line or close the fuel cock if the engine will be tilted for more th...

Page 59: ...ose from the tilt support and fall If the mo tor cannot be trailered in the normal running position use an additional support device to secure it in the tilt position For more detailed informa tion se...

Page 60: ...e tilt position For more detailed in formation see page 58 ECM01642 EMU30193 Procedure for tilting down manual tilt models 1 Place the tilt lock lever in the lock posi tion 2 Slightly tilt the engine...

Page 61: ...the water increasing the chance of ac cident and personal injury ECM00261 Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when se...

Page 62: ...surface of the water when set ting up for and cruising in shallow water Otherwise severe damage from overheat ing can result EMU32953 Procedure for power tilt models 1 Place the remote control lever...

Page 63: ...in muddy turbid or acidic water Yamaha strongly recommends that you use the optional chromium plated water pump kit see page 16 if you use the outboard motor in acidic water or water with a lot of se...

Page 64: ...deteriorated fuel could clog the fuel line causing engine start difficulty or malfunction When storing or transporting the outboard motor make sure to follow the procedure list ed below Disconnect th...

Page 65: ...e tiller handle 5 Loosen the clamp screw s 6 Hold the handgrip and steering bracket as shown in the illustration and lift up the outboard motor to dismount it from the boat 7 When transporting or stor...

Page 66: ...the sump keep the outboard motor in the attitude shown when transporting and storing it If storing or transporting the outboard motor on its side not up right put it on a cushion after draining the e...

Page 67: ...or dur ing operation Keep hands hair and clothes away from the flywheel and other rotating parts while the engine is running EWM00092 8 Run the engine at a fast idle for a few minutes in neutral posi...

Page 68: ...amage from over heating can result 1 After shutting off the engine unscrew the garden hose connector from the fitting on the bottom cowling 2 Screw the garden hose adapter onto a garden hose which is...

Page 69: ...do not have the proper skills tools or supplies to perform a maintenance procedure have a Yamaha dealer or other qualified mechan ic do the work The procedures involve disassembling the motor and exp...

Page 70: ...ick acceleration and decelera tion Frequent shifting Frequently starting and stopping the en gine s Operation that fluctuates often between light and heavy cargo loads Outboard motors operating under...

Page 71: ...ed with clean water after each use The symbol indicates the check ups which you may carry out yourself The symbol indicates work to be carried out by your Yamaha dealer Item Actions Initial Every Page...

Page 72: ...nspection 37 Propeller propeller nut cotter pin Inspection or re placement as nec essary 73 Shift link shift ca ble Inspection adjust ment or replace ment as necessary Spark plug s Inspection or re pl...

Page 73: ...cement as nec essary Wire harness con nections wire cou pler connections Inspection or re placement as nec essary Fuel tank Yamaha portable tank Inspection and cleaning as neces sary Item Actions Ever...

Page 74: ...Maintenance 68 EMU28946 Greasing Yamalube grease A water resistant grease Yamaha grease D corrosion resistant grease for propeller shaft ZMU06671 U6FW76E0 book Page 68 Tuesday November 23 2021 7 37 AM...

Page 75: ...WARNING When removing or installing a spark plug be careful not to damage the in sulator A damaged insulator could al low external sparks which could lead to explosion or fire EWM00562 3 Be sure to u...

Page 76: ...is set to specifi cation For idle speed specifications see page 11 If you have difficulty verifying the idle speed or the idle speed requires adjustment consult a Yamaha dealer or other qualified mec...

Page 77: ...oil immediately TIP If the oil does not drain easily change the tilt angle or turn the outboard motor to port and starboard to drain the oil 7 Put a new gasket on the oil drain screw Apply a light coa...

Page 78: ...e located and corrected ECM01623 14 Install the top cowling 15 Dispose of used oil according to local regulations TIP For more information on the disposal of used oil consult your Yamaha dealer Change...

Page 79: ...loosening or tightening the propeller nut Put a wood block between the anti cavi tation plate and the propeller to prevent the propeller from turning Checkpoints Check each of the propeller blades fo...

Page 80: ...ine grease or a corro sion resistant grease to the propeller shaft 2 Install the spacer if equipped thrust washer washer if equipped and pro peller on the propeller shaft NOTICE Make sure to install t...

Page 81: ...sher washer and propeller on the propeller shaft NOTICE Make sure to install the thrust washer before installing the propeller Other wise the lower case and propeller boss could be damaged ECM01882 3...

Page 82: ...move all metal particles from the screw before installing it Always use new gaskets Do not reuse the removed gaskets 4 Remove the oil level plug and gasket to allow the oil to drain completely NOTICE...

Page 83: ...g and replacing anode s Yamaha outboard motors are protected from corrosion by sacrificial anodes Inspect the external anodes periodically Remove scales from the surfaces of the anodes Consult a Yamah...

Page 84: ...and low battery alert functions will help you monitor the bat tery s charge If the battery needs charg ing consult your Yamaha dealer 3 Check the battery connections They should be clean secure and c...

Page 85: ...hey are left on the electrical system can be damaged ECM01931 2 Disconnect the negative cable s from the negative terminal NOTICE Al ways disconnect all negative cables first to avoid a short circuit...

Page 86: ...ealer Q Is shift lever in gear A Shift to neutral Engine will not start starter operates Q Is fuel tank empty A Fill tank with clean fresh fuel Q Is fuel contaminated or stale A Fill tank with clean f...

Page 87: ...Yamaha dealer Q Is air vent screw on fuel tank closed A Open air vent screw Q Is choke knob pulled out A Return to home position Q Is motor angle too high A Return to normal operating position Q Is c...

Page 88: ...orrect type A Inspect spark plug s Clean or replace with recommended type Q Are weeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obst...

Page 89: ...olt Q Is steering pivot loose or damaged A Tighten or have serviced by a Yamaha dealer EMU29435 Temporary action in emergen cy EMU29442 Impact damage EWM00871 The outboard motor can be seriously damag...

Page 90: ...h the unit itself the outboard motor can be tilt ed manually 1 Stop the engine 2 Loosen the manual valve screw by turn ing it counterclockwise until it stops 3 Adjust the outboard motor to a navigable...

Page 91: ...ter rope It could whip behind you and injure some one An unguarded rotating flywheel is very dangerous Keep loose clothing and other objects away when starting the engine Use the emergency starter rop...

Page 92: ...operation If the battery voltage is low or in the unlikely event of an ignition system malfunction the engine speed may become erratic or the en gine may stop In such a situation follow the procedure...

Page 93: ...Trouble Recovery 87 ately NOTICE Do not attempt to run the outboard motor until it has been com pletely inspected ECM00402 U6FW76E0 book Page 87 Tuesday November 23 2021 7 37 AM...

Page 94: ...or other conditions 57 D Dismounting the outboard motor 58 E EC Declaration of Conformity DoC 5 Electric shock 1 Emergency engine operation 86 Emergency equipment 16 Emergency starting engine 85 Emer...

Page 95: ...r tilt 1 Power tilt switch 24 Power tilt system checking 37 Power tilt unit 26 Power tilt will not operate 84 Propeller 1 Propeller checking 73 Propeller installing 74 Propeller removing 73 Propeller...

Page 96: ...ng 36 Top cowling removing 34 Transporting and storing outboard motor 58 Trim rod tilt pin 25 Trimming outboard motor 49 Troubleshooting 80 W Warming up engine 46 Warning labels 7 Weather 4 Wiring and...

Page 97: ...U6FW76E0 book Page 91 Tuesday November 23 2021 7 37 AM...

Page 98: ...Printed in Japan January 2022 0 5 1 CR U6FW76E0 book Page 1 Tuesday November 23 2021 7 37 AM...

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