Yamaha F8F Owner's Manual
  1. Manuals
  2. Brands
  3. Yamaha Manuals
  4. Outboard Motor
  5. F8F
  6. Owner's manual

Yamaha F8F Owner's Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
F6D
F8F
FT8G
OWNER'S MANUAL
Read this manual carefully before operating this
outboard motor.
6FW-28199-76-E0

Advertisement

Table of Contents
loading

Related Manuals for Yamaha F8F

Summary of Contents for Yamaha F8F

  • Page 1 FT8G OWNER’S MANUAL Read this manual carefully before operating this outboard motor. 6FW-28199-76-E0...
  • Page 2 Read this manual carefully 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.
  • Page 3 If EMU25108 To the owner there is any question concerning this manual, Thank you for selecting a Yamaha outboard please consult your Yamaha dealer. motor. This Owner’s Manual contains infor- To ensure long product life, Yamaha recom-...

  • Page 4: Table Of Contents

    Table of contents Remote control requirements ..13 Safety information......1 Battery requirements ....13 Outboard motor safety....1 Battery specifications....... 13 Propeller ..........1 To use the battery ......13 Rotating parts........1 Propeller selection ......14 Hot parts ..........1 Start-in-gear protection ....
  • Page 5 Table of contents Cowling lock lever ......27 Checks after engine warm up..46 Flushing device ........ 27 Shifting ..........46 Alert indicator ........27 Stop switches........46 Shifting.......... 46 Instruments and indicators .... 28 Stopping boat ....... 48 Indicators ........28 Stopping engine......
  • Page 6 Table of contents Maintenance chart 2 ......67 Greasing ........... 68 Cleaning and adjusting spark plug... 69 Checking fuel filter ......70 Inspecting idle speed ....... 70 Changing engine oil......70 Why Yamalube ......... 72 Inspecting wiring and connectors ..73 Checking propeller ......

  • Page 7: Safety Information

    Safety information EMU33623 EMU34791 Outboard motor safety Power tilt Body parts can be crushed between the mo- Observe these precautions at all times. tor and the clamp bracket when the motor is trimmed or tilted. Keep body parts out of this EMU36502 Propeller area at all times.

  • Page 8: Gasoline

    Have an approved PFD on board for every Gasoline exposure and spills Take care not to spill gasoline. If gasoline occupant. Yamaha recommends that you spills, wipe it up immediately with dry rags. must wear a PFD whenever boating. At a Dispose of rags properly.

  • Page 9: Overloading

     Avoid sharp turns or other maneuvers that speed and have a Yamaha dealer inspect the make it hard for others to avoid you or un- outboard motor. derstand where you are going.

  • Page 10: Weather

    Safety information EMU33791 Weather Stay informed about the weather. Check weather forecasts before boating. Avoid boating in hazardous weather. EMU33881 Passenger training Make sure at least one other passenger is trained to operate the boat in the event of an emergency.

  • Page 11: General Information

    Record your outboard motor serial number in the spaces provided to assist you in ordering ZMU01692 spare parts from your Yamaha dealer or for 1. Serial number reference in case your outboard motor is sto- 2. Model name len.

  • Page 12: Ce Marking / Ukca Marking

    General information This outboard motor conforms to certain por- tions of the European Parliament directive re- lating to machinery. Each conformed outboard motor accompa- nied with EC DoC. EC DoC contains the fol- lowing information;  Manufacturer 0026 1521  Model name 6EE-43394-90 ...

  • Page 13: Read Manuals And Labels

     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 missing, contact your Yamaha dealer for replacements. F6DMH, F6DM, F8FMH, FT8GMH...
  • Page 14 General information F8FE, FT8GE, FT8GEP...
  • Page 15 General information 6EE-H1994-40 6EE-H1995-40 6EE-H1994-50 6EE-H1995-50 6EE-G2794-40 6EE-G2794-50 ZMU05706 EMU33913 Contents of labels EWM01672 The above warning labels mean as follows.  Read Owner’s Manuals and labels. EWM01692  Wear an approved personal flotation de- vice (PFD). Emergency starting does not have start- ...
  • Page 16 General information Electrical hazard EMU33844 Symbols The following symbols mean as follows. Notice/Warning ZMU05666 Remote control lever/gear shift lever operat- ing direction, dual direction ZMU05696 Read Owner’s Manual ZMU05667 Engine start/ Engine cranking ZMU05664 Hazard caused by continuous rotation ZMU05668 ZMU05665...

  • Page 17: Specifications And Requirements

    Specifications and requirements Dry weight (AL) L: EMU38092 Specifications 41 kg (90 lb) (F6DM, F6DMH, F8FMH) TIP: 43 kg (95 lb) (F8FE, FT8GMH) “(AL)” stated in the specification data below 44 kg (97 lb) (FT8GE) represents the numerical value for the alumi- 49 kg (108 lb) (FT8GEP) num propeller installed.

  • Page 18: Installation Requirements

    Specifications and requirements Valve clearance IN (cold engine): Engine oil quantity: 0.8 L (0.85 US qt, 0.70 Imp.qt) 0.15–0.20 mm (0.0059–0.0079 in) Valve clearance EX (cold engine): Lubrication system: 0.20–0.25 mm (0.0079–0.0098 in) Wet sump Battery rating (CCA/EN): Recommended gear oil: 347–411 A (F8FE, FT8GE, FT8GEP) YAMALUBE outboard gear oil or Hypoid gear oil...

  • Page 19: Mounting Outboard Motor

    Battery cable motor using correct equipment and complete The battery cable size and length are critical. rigging instructions. For further information, Consult your Yamaha dealer about the bat- see page 30. tery cable size and length. EMU33582 Remote control requirements...

  • Page 20: Propeller Selection

    Specifications and requirements Install an optional Rectifier Regulator or use accessories rated to withstand 18 volts or higher with the above models. Consult your Yamaha dealer for details on installing an op- tional Rectifier Regulator. EMU34196 Propeller selection Next to selecting an outboard motor, select-...

  • Page 21: Fuel Requirements

    Specifications and requirements EMU36361 Recommended engine oil: Fuel requirements YAMALUBE 4 or 4-stroke outboard motor oil EMU40203 Recommended engine oil grade 1: Gasoline SAE 10W-30/10W-40/5W-30 Use a good quality gasoline that meets the API SE/SF/SG/SH/SJ/SL minimum octane rating. If knocking or ping- Recommended engine oil grade 2: ing occurs, use a different brand of gasoline SAE 15W-40/20W-40/20W-50...

  • Page 22: Muddy Or Acidic Water

    All ethanol blends containing more than 10% ethanol can cause fuel system damage or cause engine starting and running problems. Yamaha does not recommend gasohol con- taining methanol because it can cause fuel system damage or engine performance prob- EMU40302 Outboard motor disposal re- lems.

  • Page 23: Components

    Components EMU46722 Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all models (order from dealer). F6DMH, F6DM, F8FMH, F8FE 1. Top cowling 2. Clamp bracket 3. Trim rod 4. Anode 5.
  • Page 24 Components FT8GMH, FT8GE, FT8GEP 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.Fuel tank...

  • Page 25: Fuel Tank

    Components 10 12 11 12 EWM00021 1. Manual starter handle* 2. Choke knob* The fuel tank supplied with this engine is 3. Flushing device 4. Steering friction adjuster* its dedicated fuel reservoir and must not 5. Tilt lock lever* be used as a fuel storage container. Com- 6.

  • Page 26: Fuel Joint

    Components ZMU01723 1. Fuel joint 1. Power tilt switch 2. Fuel tank cap 2. Remote control lever 3. Air vent screw 3. Neutral interlock trigger 4. Neutral throttle lever EMU25831 5. Main switch / choke switch Fuel joint 6. Engine shut-off switch This joint is used to connect the fuel line.

  • Page 27: Neutral Interlock Trigger

    Components EMU26202 EMU26222 Neutral interlock trigger Choke switch To shift out of neutral, first pull the neutral in- To activate the choke system, press in the terlock trigger up. main switch while the key is turned to the “ ” (on) or “ ”...

  • Page 28: Throttle Grip

    Components ZMU05338 1. Forward “ ” 1. Throttle indicator 2. Neutral “ ” EMU25978 3. Reverse “ ” Throttle friction adjuster A friction device provides adjustable resis- EMU25943 Throttle grip tance to movement of the throttle grip or the The throttle grip is on the tiller handle. Turn remote control lever, and can be set accord- the grip counterclockwise to increase speed ing to operator preference.

  • Page 29: Engine Shut-Off Cord (Lanyard) And Clip

    Components ZMU05342 ZMU01716 When constant speed is desired, tighten the 1. Engine shut-off cord (lanyard) adjuster to maintain the desired throttle set- 2. Clip ting. 3. Engine shut-off switch EMU25996 Engine shut-off cord (lanyard) and clip The clip must be attached to the engine shut- off switch for the engine to run.

  • Page 30: Pull-Type Choke Knob

    Components  “ ” (start) EMU26015 Pull-type choke knob With the main switch in the “ ” (start) po- Pull the choke knob to supply a rich fuel mix- sition, the starter motor turns to start the en- ture to the engine. gine.

  • Page 31: Steering Friction Adjuster

    Components EMU31433 Steering friction adjuster 1 1 1 A friction device provides adjustable resis- tance to the steering mechanism, and can be set according to operator preference. An ad- juster lever is located on the bottom of the til- ler handle bracket. To increase resistance, turn the lever to the port side “A”.

  • Page 32: Tilt Lock Mechanism

    Components trailered in the normal running position, EMU30531 Tilt lock mechanism use an additional support device to secure The tilt lock mechanism is used to prevent the it in the tilt position. outboard motor from lifting out of the water when in reverse gear.

  • Page 33: Cowling Lock Lever

    Components EMU26464 Flushing device This device is used to clean the cooling water passages of the motor using a garden hose and tap water. 1. Power tilt unit 2. Power tilt motor ECM00661 Do not use the tilt support lever or knob 1.

  • Page 34: Instruments And Indicators

    Instruments and indicators EMU36016 Indicators EMU36026 Low oil pressure-alert indicator If oil pressure drops too low, this indicator will light up. For further information, see page 29. ECM00024  Do not continue to run the engine if the low oil pressure-alert indicator is on and the engine oil level is lower.

  • Page 35: Engine Control System

    Alert system ECM00093 Do not continue to operate the engine if an alert device has activated. Consult your Yamaha dealer if the problem cannot be located and corrected. EMU26869 Low oil pressure alert If the oil pressure drops too low, the alert de- vice will activate.

  • Page 36: Installation

    Installation EMU26903 Installation The information presented in this section is intended as reference only. It is not possible to provide complete instructions for every possible boat and motor combination. Proper mounting depends in part on experience and the specific boat and motor combination. EWM01591 ...
  • Page 37 Installation speed will rise abnormally and cause the en- gine to overheat. If the mounting height is too low, the water resistance will increase and thereby reduce engine 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.

  • Page 38: Clamping The Outboard Motor

    Test runs at different heights can help de- the boat. Otherwise the engine could be termine the optimum mounting height. completely lost if it accidentally falls off Consult your Yamaha dealer or boat man- the transom. ufacturer for further information on deter- mining the proper mounting height.

  • Page 39: Operation

    Operation life. NOTICE: Failure to follow the break-in EMU36382 First-time operation procedure could result in reduced engine life or even severe engine damage. [ECM00802] EMU36393 EMU27086 Fill engine oil Procedure for 4-stroke models The engine is shipped from the factory with- Your new engine requires a period of 10 out engine oil.

  • Page 40: Checks Before Starting Engine

    Operation EMU36414 EMU36443 Checks before starting engine Fuel system EWM00061 EWM01922 Gasoline and its vapors are highly flamma- If any item in “Checks before starting en- ble and explosive. Keep away from sparks, gine” is not working properly, have it in- cigarettes, flames, or other sources of ig- spected and repaired before operating the nition.

  • Page 41: Engine Shut-Off Cord (Lanyard)

    Operation  Operate the throttle levers several times to make sure there is no hesitation in their travel. Operation should be smooth over the complete range of motion, and each le- ver should return completely to the idle po- sition. ...

  • Page 42: Flushing Device

    If the top cowling is loose, have it repaired by your EMU36956 Install top cowling Yamaha dealer. (1) Be sure that the cowling lock lever is re- leased. (2) Be sure that the rubber seal is seated all the way around the top cowling.

  • Page 43: Checking Power Tilt System

    Severe injury could occur if the If the battery needs charging, consult your outboard motor accidentally falls. Yamaha dealer or the battery manufacturer’s  Body parts can be crushed between the instructions. motor and the clamp bracket when the EMU2743A motor is trimmed or tilted.

  • Page 44: Operating Engine

    Operation (10) Wipe up any spilled gasoline immediate- ly with dry rags. Dispose rags properly according to local laws or regulations. EMU27453 Operating engine EWM00421  Before starting the engine, make sure that the boat is tightly moored and that you can steer clear of any obstructions.

  • Page 45: Starting Engine

    Operation (2) If there is a fuel joint on the motor, align the fuel joint on the fuel line with the fuel joint on the motor and firmly connect the fuel line to the joint while pinching the joint. Then firmly connect the other end of the fuel line to the joint on the fuel tank.
  • Page 46 Operation Starting procedure (cold engine) (1) Place the gear shift lever in neutral. (4) Pull out the choke knob fully. TIP: The start-in-gear protection device prevents the engine from starting except when in neu- tral. (2) Attach the engine shut-off cord to a se- cure place on your clothing, or your arm or leg.
  • Page 47 Operation ZMU02030 (8) Return the choke knob to the home posi- (2) Attach the engine shut-off cord to a se- tion gradually. cure place on your clothing, or your arm or leg. Then install the clip on the other TIP: end of the cord into the engine shut-off ...
  • Page 48 Operation EMU27638 Manual start models (remote control) EWM01842  Failure to attach the engine shut-off cord could result in a runaway boat if operator is ejected. Attach the engine shut-off cord to a secure place on your clothing, or your arm or leg while oper- ating.
  • Page 49 Operation START ZMU07886 (3) Open the throttle slightly without shifting TIP: using the neutral throttle lever. You may  It is not necessary to use the choke when need to change the throttle opening starting a warm engine. slightly depending on engine tempera- ...
  • Page 50 Operation gine is warm and fails to start, open the (2) Attach the engine shut-off cord to a se- throttle a small amount and try to start the cure place on your clothing, or your arm engine again. If the engine still fails to start, or leg.

  • Page 51: Checks After Starting Engine

    (7) Immediately after the engine starts, re- or the cooling water pilot hole is blocked. lease the main switch and allow it to re- Consult your Yamaha dealer if the prob- turn to “ ” (on). The remote choke lem cannot be located and corrected.

  • Page 52: Warming Up Engine

    Check the oil level and add engine oil if nec- To shift out of neutral essary. Consult your Yamaha dealer if (1) Pull the neutral interlock trigger up (if the cause for the low oil pressure alert equipped).
  • Page 53 Operation (2) Move the remote control lever / gear shift TIP: lever firmly and crisply forward (for for- Tiller handle models: The gear shift lever op- ward gear) or backward (for reverse gear) erates only when the throttle grip is in the fully [about 35°...

  • Page 54: Stopping Boat

    Operation EMU27823 Stopping engine Before stopping the engine, first let it cool off for a few minutes at idle or low speed. Stop- ping the engine immediately after operating at high speed is not recommended. EMU27835 Procedure (1) Push and hold the engine stop button ZMU01771 until the engine comes to a complete stop.

  • Page 55: Procedure

    Operation (2) After stopping the engine, disconnect the fuel line or close the fuel cock if there is a fuel joint or a fuel cock on the boat. (3) Tighten the air vent screw on the fuel tank cap (if equipped). (4) Remove the key if the boat will be left un- attended.

  • Page 56: Adjusting Trim Angle For Manual Tilt Models

    Operation EWM00401  Stop the engine before adjusting the trim angle.  Use care to avoid being pinched when removing or installing the rod.  Use caution when trying a trim position for the first time. Increase speed gradu- ally and watch for any signs of instability or control problems.

  • Page 57: Adjusting Boat Trim

    Operation TIP: While the boat is moving, it may be difficult to adjust the trim angle due to water pressure. Before adjusting the trim angle, reduce the boat speed and shift into neutral. (2) Tilt the outboard motor to the desired an- gle using the power tilt switch.

  • Page 58: Tilting Up And Down

    Operation ECM00242  Before tilting the outboard motor, stop the engine by following the procedure on page 48. Never tilt the outboard mo- tor while the engine is running. Severe damage from overheating can result.  Do not tilt up the engine by pushing the tiller handle (if equipped) because this could break the handle.

  • Page 59: Procedure For Tilting Up (Power Tilt Models)

    Operation ZMU07906 (3) Place the tilt lock lever (if equipped) in the EMU44610 Procedure for tilting up (power tilt release/up position. models) (1) Place the remote control lever in neutral. (4) Pull up the shallow water lever (if ZMU03196 equipped). (2) Press the power tilt switch “...

  • Page 60: Procedure For Tilting Down (Manual Tilt Models)

    Operation tilt support knob or tilt support lever. (3) Slowly tilt the engine down. Otherwise the outboard motor could EMU44620 fall back down suddenly if oil in the Procedure for tilting down (power tilt power trim and tilt unit or in the power models) tilt unit...

  • Page 61: Shallow Water

    Operation EMU28063 EMU28126 Shallow water Procedure (1) Place the remote control lever / gear shift lever in neutral. EMU28074 Cruising in shallow water (manual tilt models) EWM01782  Run the boat at the lowest possible speed when using the shallow water cruising system.

  • Page 62: Power Tilt Models

    Operation 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 in neutral. (4) To return the outboard motor to the nor- mal running position, place the remote control lever / gear shift lever in neutral.

  • Page 63: Cruising In Other Conditions

    Cruising 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 sediment in it, such as muddy or turbid (cloudy) water.

  • Page 64: Maintenance

    Consult your motor, disconnect the fuel line from the Yamaha dealer for further details. outboard motor to prevent fuel from leaking. EMU34822 Dismounting the outboard motor ...
  • Page 65 Maintenance (4) To prevent steering movement, turn the adjuster lever to “A” (if equipped with the adjuster lever). To hold the steering bracket easily, raise the tiller handle to the vertical position (if equipped with the tiller handle). 1. Steering bracket 2.

  • Page 66: Storing Outboard Motor

    It is advisable to have your outboard motor serviced by an authorized Yamaha dealer pri- or to storage. However, you, the owner, with a minimum of tools, can perform the follow- ZMU02263 ing procedures.
  • Page 67 Maintenance (2) Wash the outboard motor body using clothes away from the flywheel and fresh water. NOTICE: Do not spray wa- other rotating parts while the engine is ter into the air intake. For further running. [ECM01841] [EWM00092] information, see page 63. (8) Run the engine at a fast idle for a few (3) Disconnect the fuel line from the out- minutes in neutral position.

  • Page 68: Lubrication

    76. Check the gear oil for the pres- ence of water that indicates a leaky seal. Seal replacement should be performed by an authorized Yamaha dealer prior to use. (2) Lubricate all grease fittings. For further details, see page 68.

  • Page 69: Cleaning The Outboard Motor

    Replacement parts the outboard motor. Clean the body If replacement parts are necessary, use only thoroughly. genuine Yamaha parts or parts of equivalent design and quality. Any part of inferior quality EMU28463 Checking painted surface of outboard may malfunction, and the resulting loss of...

  • Page 70: Severe Operating Conditions

    Outboard motors operating under any of these above conditions require more fre- quent maintenance. Yamaha recommends that you do this service twice as often as specified in the maintenance chart. For ex- ample, if a particular service should be done at 50 hours, do it instead at 25 hours.

  • Page 71: Maintenance Chart 1

     When operating in salt water, muddy, other turbid (cloudy), acidic water, the engine should be flushed 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. Initial Every...
  • Page 72 Maintenance Initial Every 20 hours Item Actions Page 100 hours 300 hours 500 hours (1 year) (3 years) (5 years) months) Fuel filter (disposal Replacement — type) Fuel line Inspection — Inspection or re- Fuel line placement as nec- — essary Inspection or re- Fuel pump...

  • Page 73: Maintenance Chart 2

    Wire harness con- Inspection or re- nections/wire cou- placement as nec- — pler connections essary Inspection and Fuel tank (Yamaha cleaning as neces- — portable tank) sary EMU46010 *1 cylinder head *2 cylinder head EMU46082 Maintenance chart 2...

  • Page 74: Greasing

    Maintenance EMU28946 Greasing Yamalube grease A (water resistant grease) Yamaha grease D (corrosion resistant grease; for propeller shaft) ZMU06671...

  • Page 75: Cleaning And Adjusting Spark Plug

    Do not attempt to diagnose any problems yourself. Instead, take the outboard motor to a Yamaha dealer. You should periodically re- move and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode.

  • Page 76: Checking Fuel Filter

    11. If you have difficulty verifying matter is found in the filter, replace it. For re- the idle speed, or the idle speed requires placement of the fuel filter, consult your adjustment, consult a Yamaha dealer or Yamaha dealer. other qualified mechanic. EMU38808...
  • Page 77 Maintenance TIP: When using an oil changer, skip steps 6 and (6) Prepare a suitable container that holds a larger amount than the engine oil capac- ity. Remove the drain screw and gasket while holding the container under the drain hole. Let the oil drain completely. Wipe up any spilled oil immediately.

  • Page 78: Why Yamalube

    Be sure to completely insert the dipstick EMU48060 Why Yamalube into the dipstick guide, otherwise the oil YAMALUBE oil is a Genuine YAMAHA Part level measurement will be incorrect. born of the engineers’ passion and belief that (12) Recheck the oil level using the dipstick to...

  • Page 79: Inspecting Wiring And Connectors

    Maintenance EMU29116 Inspecting wiring and connectors  Inspect that each connector is engaged se- ZMU07969 curely. Checkpoints  Inspect that each ground lead is properly  Check each of the propeller blades for ero- secured. sion from cavitation or ventilation, or other damage.

  • Page 80: Installing Propeller

    Make sure to use a new cotter pin and bend the ends over securely. Otherwise, the propeller could come off during oper- ation and be lost. (1) Apply Yamaha marine grease or a corro- 1. Cotter pin sion resistant grease to the propeller 2. Propeller nut shaft.
  • Page 81 Make sure to use a new cotter pin and bend the ends over securely. Otherwise, the propeller could come off during oper- ation and be lost. (1) Apply Yamaha marine grease or a corro- sion resistant grease to the propeller shaft. (2) Install the thrust washer, washer, and propeller on the propeller shaft.

  • Page 82: Changing Gear Oil

    [ECM00714] cur if the outboard motor accidentally TIP: falls. For disposal of used oil, consult your Yamaha (1) Tilt the outboard motor so that the gear dealer. oil drain screw is at the lowest point pos- (5) Put the outboard motor in a vertical posi- sible.

  • Page 83: Inspecting And Replacing Anode(S)

    7 N·m (0.7 kgf·m, 5.2 lb·ft) EMU29318 Inspecting and replacing anode(s) 1. Anode 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 Yamaha dealer for replacement of external anodes.

  • Page 84: Checking Battery (For Electric Start Models)

    ZMU01811 ter, the voltmeter and low battery alert 1. Red cable functions will help you monitor the bat- 2. Black cable tery’s charge. If the battery needs charg- 3. Battery ing, consult your Yamaha dealer.

  • Page 85: Disconnecting The Battery

    Maintenance (3) The electrical contacts of the battery and cables must be clean and properly con- nected, or the battery will not start the engine. EMU29372 Disconnecting the battery (1) Turn off the battery cut-off switch (if equipped) and main switch. NOTICE: If they are left on, the electrical system can be damaged.

  • Page 86: Trouble Recovery

    Q. Has fuel pump malfunctioned? If your outboard motor requires repair, bring A. Have serviced by a Yamaha dealer. it to your Yamaha dealer. If the engine trouble-alert indicator is flashing, Q. Are spark plug(s) fouled or of incorrect consult your Yamaha dealer.
  • Page 87 Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is carburetor clogged? A. Have serviced by a Yamaha dealer. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Is fuel joint connection incorrect? A.
  • Page 88 Trouble Recovery A. Have serviced by a Yamaha dealer. Q. Are weeds or other foreign matter tangled on gear housing? Q. Is load on boat improperly distributed? A. Remove foreign matter and clean lower A. Distribute load to place boat on an even unit.

  • Page 89: Temporary Action In Emergency

    Q. Is motor mounting bolt loose? to the nearest harbor slowly and careful- A. Tighten bolt. (4) Have a Yamaha dealer check the out- Q. Is steering pivot loose or damaged? board motor before operating it again. A. Tighten or have serviced by a Yamaha dealer.

  • Page 90: Power Tilt Will Not Operate

    Severe injury could occur if the out- and a fire hazard. board motor accidentally falls. Consult your Yamaha dealer if the new fuse If the outboard motor cannot be tilted immediately blows again. up/down using the power tilt unit, e.g. be-...

  • Page 91: Emergency Starting Engine

    Trouble Recovery  When the emergency starter rope is EMU29563 Emergency starting engine used to start the engine, the start-in- (1) Remove the top cowling. gear protection device does not oper- (2) Remove the start-in-gear protection ca- ate. Make sure the remote control lever ble from the starter, if equipped.

  • Page 92: Engine Fails To Operate

    (7) Give a strong pull straight out to crank and start the engine. Repeat if neces- sary. 1. Yellow cord EMU33502 Treatment of submerged motor If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise some corrosion may begin almost immedi-...
  • Page 93 Trouble Recovery ately. NOTICE: Do not attempt to run the outboard motor until it has been com- pletely inspected. [ECM00402]...

  • Page 94: Index

    INDEX Electric shock ......... 1 Emergency engine operation....86 Alcohol and drugs........2 Emergency equipment......16 Alert indicator ........27 Emergency starting engine ....85 Alert system.......... 29 Emergency, temporary action in... 83 Anode(s), inspecting and replacing ..77 Engine fails to operate ......86 Anti-fouling paint ........
  • Page 95 INDEX Instruments and indicators ....28 Power tilt switch ........24 Power tilt system, checking....37 Power tilt unit........26 Power tilt will not operate ..... 84 Key number ..........5 Propeller ..........1 Propeller, checking ....... 73 Propeller, installing ....... 74 Laws and regulations......
  • Page 96 INDEX Tilt support knob ........26 Tilting up and down ......52 To use the battery......... 13 Top cowling, installing ......36 Top cowling, removing ......34 Transporting and storing outboard motor ..........58 Trim rod (tilt pin)........25 Trimming outboard motor..... 49 Troubleshooting........
  • Page 98 Printed in Japan January 2022–0.5 × 1 CR...

This manual is also suitable for:

F6dFt8g

Table of Contents