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Yamaha F9.9 Owner's Manual
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Yamaha F9.9 Owner's Manual

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F9.9
T9.9
OWNER'S MANUAL
Read this manual carefully before operating this
LIT-18626-12-34
outboard motor.
6DR-28199-38-E0

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Summary of Contents for Yamaha F9.9

  • Page 1 F9.9 T9.9 OWNER’S MANUAL Read this manual carefully before operating this LIT-18626-12-34 outboard motor. 6DR-28199-38-E0...
  • Page 2 WARNING: This product can expose you to chemicals including engine exhaust, which is known to the State of California to cause cancer, and carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
  • Page 3 EWM00782 If you purchased this outboard motor used, WARNING see your Yamaha dealer to have it registered A WARNING indicates a hazardous situa- in your name in Yamaha records. tion which, if not avoided, could result in TIP: death or serious injury.

  • Page 4: Table Of Contents

    Table of contents Specifications and Safety information......1 requirements ........15 Outboard motor safety....1 Specifications ....... 15 Propeller ..........1 Installation requirements ....16 Rotating parts........1 Hot parts ..........1 Boat horsepower rating....16 Electric shock........1 Mounting outboard motor ....17 Power tilt ..........
  • Page 5 Table of contents Engine stop button ......30 Checking power tilt system....44 Pull-type choke knob ....... 31 Battery..........45 Manual starter handle ...... 31 Filling fuel........45 Starter button ........31 Operating engine ......47 Main switch ........31 Sending fuel (portable tank) .....
  • Page 6 ........73 IMPORTANT WARRANTY Flushing power unit......73 INFORMATION IF YOU USE Cleaning the outboard motor ... 74 YOUR YAMAHA OUTSIDE THE Checking painted surface of U.S.A. OR CANADA....100 outboard motor......74 Periodic maintenance ....75 INDEX ..........101 Replacement parts ......

  • 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 EMU36502 Propeller trimmed or tilted. Keep body parts out of this People can be injured or killed if they come in area at all times.

  • Page 8: Gasoline Exposure And Spills

    Overloading incorrect weight Have an approved PFD on board for every distribution can compromise the boat’s han- occupant. Yamaha recommends that you dling and lead to an accident, capsizing or must wear a PFD whenever boating. At a swamping.

  • Page 9: Avoid Collisions

     Do not follow directly behind other boats or found, return to the nearest harbor at low waterskiers. speed and have a Yamaha dealer inspect the  Avoid sharp turns or other maneuvers that outboard motor. make it hard for others to avoid you or un- derstand where you are going.

  • Page 10: Accident Reporting

    Safety information mediately or, for a small charge, request one EMU44161 Accident reporting by mail. To take this free course, go to boa- Boat operators are required by law to file a tus.org. Boating Accident Report with their boating For Canada law enforcement agency if their boat is in- All operators of pleasure craft must illustrate volved in any of the following accidents:...

  • Page 11: Boating Organizations

    Safety information In Canada EMU44182 Boating organizations National Marine Manufacturers Associa- The following organizations provide boating tion Canada safety training and information about boating 14 McEwan Drive safety and laws. Suite 8 Bolton, ON In the U.S.A. L7E 1H1 United States Coast Guard http://www.nmma.org/ Consumer Affairs Staff (G-BC) Office of Boating, Public, and Consumer Af-...

  • Page 12: Rules When Encountering Vessels

    Safety information Give-way vessel area must yield to you (they are the Give-Way The vessel that does not have the right-of- vessels). Both you and the meeting vessel way has the duty to take positive and timely must alter course to avoid each other. action to stay out of the way of the Stand-On vessel.

  • Page 13: Other Special Situations

    Safety information should maintain course and direction, provid- Fishing vessel right-of-way All vessels that are fishing with nets, lines or ed the other vessel gives you the right-of-way trawls are considered to be “fishing vessels” as it should. under the International Rules. Vessels with trolling lines are not considered fishing ves- sels.
  • Page 14 Safety information Many bodies of water used by boaters are white with black letters and orange boarders. entirely within the boundaries of a particular They signify speed zones, restricted areas, state. The Uniform State Waterway Marking danger areas, and general information. System has been devised for these waters.

  • Page 15: General Information

    Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for ZMU01692 reference in case your outboard motor is sto- 1. Serial number len.
  • Page 16 General information 1. Compliance mark label location Regulatory Compliance Mark (RCM) Engines affixed with this mark conform to certain portion(s) of the Australian Radio Communications Act. ZMU08190 1. Regulatory Compliance Mark (RCM) ICES-002 Compliance Label Engines affixed with this mark meet all re- quirements of the Canadian Interference Causing Equipment Regulations.

  • Page 17: 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. F9.9MHB, T9.9MHB, T9.9WHB...
  • Page 18 General information F9.9EHB, F9.9EB, T9.9PHB, T9.9EB, T9.9PB...
  • Page 19 General information 6EE-H1994-40 6EE-H1995-40 6EE-H1994-50 6EE-H1995-50 6EE-G2794-40 6EE-G2794-50 ZMU05740 EMU33913 Contents of labels EWM01672 The above warning labels mean as follows. WARNING  Read Owner’s Manuals and labels. EWM01692  Wear an approved personal flotation de- WARNING vice (PFD). Emergency starting does not have start- ...
  • Page 20 General information Electrical hazard EMU35133 Symbols The following symbols mean as follows. Notice/Warning ZMU05666 ZMU05696 Read Owner’s Manual ZMU05664 Hazard caused by continuous rotation ZMU05665...

  • Page 21: Specifications And Requirements

    Specifications and requirements Dry weight (AL) S: EMU38092 Specifications 40 kg (88 lb) (F9.9MHB) TIP: 42 kg (93 lb) (F9.9EB) “(AL)” stated in the specification data below 44 kg (97 lb) (F9.9EHB) represents the numerical value for the alumi- Dry weight (AL) L: num propeller installed.

  • Page 22: Installation Requirements

    Specifications and requirements Starting system: Min. pump octane number (PON): Electric starter (F9.9EB, F9.9EHB, T9.9EB, T9.9PB, T9.9PHB) Fuel tank capacity: Manual starter (F9.9MHB, T9.9MHB) 12 L (3.17 US gal, 2.64 Imp.gal) Manual starter and Electric starter Recommended engine oil: (T9.9WHB) YAMALUBE 4M FC-W or 4-stroke outboard motor oil Starting carburetion system:...

  • Page 23: Mounting Outboard Motor

    This Battery cable device prevents the engine from starting un- The battery cable size and length are critical. Consult your Yamaha dealer about the bat- less it is in neutral. tery cable size and length. EMU25695...

  • Page 24: Propeller Selection

    Yamaha dealer. 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 ZMU04606 Propeller selection 1.

  • Page 25: Engine Oil Requirements

    If knocking or pinging occurs, use a different brand of gas- Recommended engine oil: YAMALUBE 4M FC-W or 4-stroke oline or premium unleaded fuel. Yamaha rec- outboard motor oil ommends that you use alcohol-free gasoline Recommended engine oil grade 1:...

  • Page 26: Gasoline Additives

    However, if gasoline with Ethanol is the only fuel available in your area, your Yamaha the gasoline in a layer at the bottom of the outboard motor is calibrated to run properly fuel tank.

  • Page 27: Muddy Or Acidic Water

    Please consult your Yamaha bottom of the hull can be coated with an anti- dealer. fouling paint to inhibit marine growth. Anti-fouling paints specifically formulated for use on aluminum may be applied to the out- board motor. The original Yamaha paint sur-...

  • Page 28: Outboard Motor Disposal Requirements

     An extra engine shut-off cord (lanyard) with clip.  Spare parts, such as an extra set of spark plugs. EMU25275 Consult your Yamaha dealer for details. Star labels EMU25223 Your outboard motor is labeled with a Califor- Emission control information nia Air Resources Board (CARB) star label.
  • Page 29 Specifications and requirements EMU40331 EMU40351 One Star—Low Emission Three Stars—Ultra Low Emission The one-star label identifies engines that The three-star label identifies engines that meet the Air Resources Board’s Personal meet the Air Resources Board’s Personal Watercraft and Outboard marine engine 2001 Watercraft and Outboard marine engine 2008 exhaust emission standards.

  • Page 30: 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). F9.9MHB, F9.9EHB, F9.9EB 1. Top cowling 2. Clamp bracket 3. Trim rod 4. Drain screw 5.
  • Page 31 Components T9.9MHB, T9.9PHB, T9.9EB, T9.9PB, T9.9WHB 1. Top cowling 2. Power tilt switch* 3. Clamp bracket 4. Trim rod* 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 32: Fuel Tank

    Components 12 14 10 11 13 14 ZMU07890 EMU25804 1. Manual starter handle* Fuel tank 2. Choke knob* If your model was equipped with a portable 3. Flushing device fuel tank, its function is as follows. 4. Steering friction adjuster* EWM00021 5.

  • Page 33: Fuel Joint

    Components ZMU01723 1. Power tilt switch 2. Remote control lever 3. Neutral interlock trigger 4. Neutral throttle lever 5. Main switch / choke switch 6. Engine shut-off switch 1. Fuel joint 7. Throttle friction adjuster 2. Pressure relief tab 3. Fuel tank cap EMU26191 Remote control lever 4.

  • Page 34: 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 35: Throttle Grip

    Components ZMU05338 1. Forward “ ” 1. Throttle indicator 2. Neutral “ ” EMU25978 Throttle friction adjuster 3. Reverse “ ” 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 36: 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 37: Pull-Type Choke Knob

    Components EMU26015 Pull-type choke knob Pull the choke knob to supply a rich fuel mix- ture to the engine. ZMU07807 1. Choke knob EMU26075 Manual starter handle The manual starter handle is used to crank and start the engine. ZMU07888 EMU26092 Main switch The main switch controls the ignition system;...

  • Page 38: Power Tilt Switch

    Components START ZMU01718 EMU26103 TIP: Power tilt switch For instructions on using the power tilt The power tilt system adjusts the outboard switch, see pages 60 and 62. motor angle in relation to the transom. Push- EMU31433 ing the switch “ ”...

  • Page 39: Trim Rod (Tilt Pin)

    Components 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. ZMU07813 1. Trim rod EMU30531 Tilt lock mechanism The tilt lock mechanism is used to prevent the outboard motor from lifting out of the water 1.

  • Page 40: Tilt Support Bar

    Components mal running position, use an additional support device to secure it in the tilt posi- tion. EMU26362 Power tilt unit This unit tilts the outboard motor up and down and is controlled with the power tilt switch. ECM00631 NOTICE Do not step on or exert pressure on the ECM00661 NOTICE...

  • Page 41: Flushing Device

    Components ZMU07820 ZMU07818 1. Low oil pressure-alert indicator 1. Cowling lock lever EMU26464 Flushing device This device is used to clean the cooling water passages of the motor using a garden hose and tap water. 1. Flushing device TIP: For details on usage, see page 73. EMU26305 Alert indicator If the engine develops a condition which is...

  • Page 42: 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 37. ECM00024 NOTICE  Do not continue to run the engine if the low oil pressure-alert indicator is on and the engine oil level is lower.

  • Page 43: Engine Control System

    ECM00093 NOTICE 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 44: 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 WARNING ...
  • Page 45 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 46: 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 47: Operation

    Operation EMU36382 EMU27086 First-time operation Procedure for 4-stroke models Your new engine requires a period of 10 EMU36393 Fill engine oil hours break-in to allow mating surfaces of The engine is shipped from the factory with- moving parts to wear in evenly. out engine oil.

  • Page 48: Fuel Level

    Operation  If any fuel leakage is found, the fuel sys- ECM00121 NOTICE tem must be repaired by a qualified me- Do not start the engine out of water. Over- chanic. Improper repairs can make the heating and serious engine damage can outboard unsafe to operate.

  • Page 49: Engine Oil

    Operation ZMU06873 ZMU07792 1. Clip 1. Oil dipstick 2. Engine shut-off cord (lanyard) 2. Upper mark 3. Lower mark EMU27168 Engine oil EMU40412 Outboard motor Put the outboard motor in an upright po-  Check that the outboard motor is mounted sition (not tilted).

  • Page 50: Install Top Cowling

    If the Be sure that the cowling lock lever is re- top cowling is loose, have it repaired by your leased. Yamaha dealer. Be sure that the rubber seal is seated all the way around the top cowling. ZMU07829...

  • Page 51: Battery

     If you use a portable container to store and Battery Check the battery’s charge. If your boat is dispense fuel, use only a locally approved equipped with a Yamaha digital speedome- GASOLINE container.  To prevent electrostatic sparks, discharge ter, the voltmeter and low battery alert func- tions will help you monitor the battery’s...
  • Page 52 Operation TIP: Release the fuel vapor contained in the fuel tank. While pressing and holding the pressure relief tab under the fuel tank cap again, turn the fuel tank cap counterclockwise to remove it. ZMU07444 1. Air vent screw Remove the fuel tank from the boat. To loosen the air vent screw, turn it coun- terclockwise until it stops.

  • Page 53: Operating Engine

    Operation  Dispose of rags properly according to local from smoking, and keep away from laws or regulations. open flames and sparks while loosening Turn the fuel tank cap clockwise to tight- the air vent screw.  This product emits exhaust gases which en until a click is heard.

  • Page 54: Starting Engine

    Operation 4. Toward the fuel tank Align the fuel joint on the fuel hose with the fuel joint on the outboard motor and firmly connect the fuel hose to the joint while pinching the joint. 1. Arrow 2. Primer pump EMU27495 Starting engine EWM01601...
  • Page 55 Operation Starting procedure (cold engine) Place the gear shift lever in neutral. Pull out the choke knob fully. TIP: The start-in-gear protection device prevents the engine from starting except when in neu- tral. Attach the engine shut-off cord to a se- cure place on your clothing, or your arm or leg.
  • Page 56 Operation ZMU02030 Return the choke knob to the home posi- 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 57 Operation EMU34926 Electric start models (tiller control) EWM01842 WARNING  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 58 Operation Place the throttle grip in the “ ” (start) position. ZMU07888 Immediately after the engine starts, re- lease the starter button to allow it to re- turn to its original position. NOTICE: Pull out the choke knob fully. Never push the starter button while the engine is running.
  • Page 59 Operation ZMU02030 Return the choke knob to the home posi- Place the throttle grip in the “ ” tion gradually. (start) position. TIP:  If the choke knob is left in the “ ” (start) position while the engine is running, the en- gine will run poorly or stall.
  • Page 60 Operation EMU34934 Electric start models (remote control) EWM01842 WARNING  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 61 Operation START ZMU02206 ZMU01772 Turn the main switch to “ ” (on). TIP: It is not necessary to use the choke when starting a warm engine. Turn the main switch to “ ” (start) to start the engine. START ZMU01880 Open the throttle slightly without shifting using the neutral throttle lever.

  • Page 62: Checks After Starting Engine

    [ECM01832] Consult your Yamaha dealer if the prob- EMU36532 Checks after engine warm up lem cannot be located and corrected. EMU36542...

  • Page 63: Shifting

    Operation  Confirm that removing the clip from the en- the tilt lock lever is in the lock/down po- gine shut-off switch stops the engine. sition (if equipped) before operating in re-  Confirm that the engine cannot be started verse.

  • Page 64: Stopping Boat

    Operation ZMU05462 EMU31743 Stopping boat EWM01511 WARNING  Do not use the reverse function to slow down or stop the boat as it could cause you to lose control, be ejected, or im- pact the steering wheel or other parts of the boat.

  • Page 65: Procedure

    Operation ZMU07444 1. Air vent screw Disconnect the fuel hose from the fuel joint on the outboard motor. TIP: If the outboard motor is equipped with an en- gine shut-off cord, the engine can also be stopped by pulling the cord and removing the clip from the engine shut-off switch.

  • Page 66: Trimming Outboard Motor

    Operation Disconnect the fuel hose from the fuel EMU27865 Trimming outboard motor joint on the fuel tank. EWM00741 WARNING Excessive trim for the operating condi- tions (either trim up or trim down) can cause boat instability and can make steer- ing the boat more difficult.

  • Page 67: Adjusting Trim Angle (Power Tilt Models)

    Operation EMU27906 Adjusting trim angle (power tilt mod- els) EWM00754 WARNING  Be sure all people are clear of the out- board motor when adjusting the trim an- gle. Body parts can be crushed between the motor and the clamp bracket when the motor is trimmed or tilted.

  • Page 68: Adjusting Boat Trim

    Operation To raise the bow (“trim-out”), tilt the outboard motor up. To lower the bow (“trim-in”), tilt the outboard motor down. Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions. TIP: Stay within the trim operating angle when trimming the outboard motor using the power...

  • Page 69: Procedure For Tilting Up (Manual Tilt Models)

    Operation EWM00223 WARNING Make sure that no one is near the out- board motor when tilting the outboard motor up or down. Otherwise, body parts could be crushed between the outboard motor and the clamp bracket. EWM00251 WARNING ZMU01771 Leaking fuel is a fire hazard. If there is a Disconnect the fuel hose from the fuel fuel joint on the outboard motor, discon- joint on the outboard motor.

  • Page 70: Procedure For Tilting Up (Power Tilt Models)

    Operation Do not use the tilt support lever or knob when trailering the boat. The outboard motor could shake loose 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.

  • Page 71: Procedure For Tilting Down (Manual Tilt Models)

    Operation EMU30193 Procedure for tilting down (manual tilt models) Place the tilt lock lever in the lock posi- tion. Push the tilt support knob into the clamp bracket support engine. WARNING! After tilting the outboard ZMU07892 motor, be sure to support it with the Slightly tilt the engine up until the tilt sup- tilt support knob or tilt support lever.

  • Page 72: Shallow Water

    Operation ting an underwater obstacle could cause the outboard motor to lift out of the water, resulting in loss of control.  Use extra care when operating in re- verse. Too much reverse thrust can cause the outboard motor to lift out of the water, increasing the chance of ac- cident and personal injury.

  • Page 73: Power Tilt Models

    Operation Place the tilt lock lever in the lock/down position, then slightly tilt the outboard motor up until the tilt support bar auto- matically returns to the free position. ZMU01771 Place the tilt lock lever in the release/up position. ZMU07892 Slowly lower the outboard motor to the normal position.

  • Page 74: 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 21) 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 75: Maintenance

     Leaking fuel is a fire hazard. When such as a transom saver bar. Consult your transporting and storing the outboard Yamaha dealer for further details. motor, disconnect the fuel line from the EMU43452 Dismounting the outboard motor...
  • Page 76 Maintenance Loosen the clamp screw(s). When transporting or storing the out- Hold the handgrip and steering bracket board motor while removed from a boat, as shown in the illustration and lift up the keep the outboard motor in the attitude outboard motor to dismount it from the shown or use an outboard motor stand.

  • Page 77: Storing Outboard Motor

    It is advisable to have your outboard motor A partially filled fuel tank, less than 7/8 full but serviced by an authorized Yamaha dealer pri- not completely empty, is not recommended. or to storage. However, you, the owner, with...

  • Page 78: Procedure

    Stabilizer” to each gallon of fuel. [ECM00292] TIP: Cooling system flushing is essential to The use of “Yamaha Fuel Conditioner and prevent the cooling system from clog- Stabilizer” eliminates the need to drain the ging up with salt, sand, or dirt. In addi- fuel system.

  • Page 79: Lubrication

    87. Check the gear oil for the pres- on the bottom cowling. ence of water that indicates a leaky seal. Seal replacement should be performed by an authorized Yamaha dealer prior to use. Lubricate all grease fittings. For further details, see page 79.

  • Page 80: Cleaning The Outboard Motor

    If necessary, ing fitting or let the hose hang free clean and paint the areas. Touch-up paint is during normal operation. Water will available from your Yamaha dealer. leak out of the connector instead of...

  • Page 81: Periodic Maintenance

    Maintenance A service manual is available for purchase EMU37015 Periodic maintenance through your Yamaha dealer for owners who EWM01943 have the mechanical skills, tools, and other WARNING equipment necessary to perform mainte- These procedures require mechanical nance not covered by this owner’s manual.

  • Page 82: 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 83 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 84: Maintenance Chart 2

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

  • Page 85: Greasing

    Maintenance EMU41303 Greasing Yamalube Marine Grease ZMU06671...

  • Page 86: 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 87: Checking Fuel Filter

    15. 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 88 Maintenance TIP: When using an oil changer, skip steps 6 and 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 89: Why Yamalube

    Be sure to completely insert the dipstick 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 90: Inspecting Wiring And Connectors

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

  • Page 91: 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. ZMU08166 Apply Yamaha marine grease or a corro- 1. Cotter pin sion resistant grease to the propeller 2. Propeller nut shaft.
  • Page 92 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. Apply Yamaha marine grease or a corro- sion resistant grease to the propeller shaft. Install the thrust washer, washer, and propeller on the propeller shaft.

  • Page 93: Changing Gear Oil

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

  • Page 94: Inspecting And Replacing Anode(S)

    7 N·m (0.7 kgf·m, 5.2 lb·ft) EMU29318 ZMU07879 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 95: Checking Battery (For Electric Start Models)

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

  • Page 96: Disconnecting The Battery

    Maintenance 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 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 97: 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 98 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 99 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 100: Temporary Action In Emergency

    A. Tighten bolt. Have a Yamaha dealer check the out- board motor before operating it again. Q. Is steering pivot loose or damaged? A. Tighten or have serviced by a Yamaha EMU30684 Replacing fuse dealer. If a fuse has blown, open the fuse holder and remove the fuse with a fuse puller.

  • Page 101: Power Tilt Will Not Operate

    Substituting an incorrect fuse or a piece of wire could allow excessive current flow. This could cause electric system damage and a fire hazard. Consult your Yamaha dealer if the new fuse immediately blows again. 1. Manual valve screw Put the engine in the desired position, then tighten the manual valve screw by turning it clockwise.

  • Page 102: Emergency Starting Engine

    Trouble Recovery  Avoid accidentally pulling the cord dur- Remove the starter/flywheel cover after ing normal operation. Loss of engine removing the bolt(s). 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.

  • Page 103: Engine Fails To Operate

    If the outboard motor is submerged, immedi- around the flywheel clockwise. ately take it to a Yamaha dealer. Otherwise Give a strong pull straight out to crank some corrosion may begin almost immedi- and start the engine.

  • Page 104: Consumer Information

    Owner’s Manual. The owner of the outboard motor shall give notice to an authorized Yamaha Outboard Motor Dealer of any and all apparent defects within ten (10) days of discovery and make the motor available at that time for inspection and repairs at the dealer’s place of business.
  • Page 105 TRANSFER OF WARRANTY Transfer of the warranty from the original purchaser to any subsequent purchaser is possible by having the motor inspected by an authorized Yamaha Outboard Motor Dealer and requesting the dealer to submit a change of registration to Yamaha within ten (10) days of the transfer.

  • Page 106: Important Warranty Information If You Use Your Yamaha Outside The U.s.a. Or Canada

    He will be able to contact Yamaha on your behalf to see if any refund can be provided.

  • Page 107: Index

    INDEX Cruising in salt water or other conditions........... 68 Accident reporting ........4 Alcohol and drugs........2 Alert indicator ........35 Alert system.......... 37 Dismounting the outboard motor ..69 Anode(s), inspecting and replacing ..88 Anti-fouling paint ........21 Approval label of emission control Electric shock .........
  • Page 108 INDEX Overloading ..........2 Hot parts..........1 Passenger training ........4 Passengers ..........2 Identification numbers record....9 People in the water ......... 2 Idle speed, inspecting ......81 Periodic maintenance ......75 Impact damage........94 Personal flotation devices (PFDs) ... 2 Installation requirements ......
  • Page 109 INDEX Stop switches ........56 Stopping boat........58 Stopping engine ........58 Storing outboard motor ......71 Submerged outboard motor....97 Throttle friction adjuster......29 Throttle grip .......... 29 Throttle indicator ........29 Tiller handle .......... 28 Tilt lock mechanism......33 Tilt support bar ........
  • Page 111 — right out of the box. Yamalube — Take care of your Yamaha with legendary Yamalube oils, lubricants, and care products. They’re formulated and approved by the toughest judges we know: the Yamaha engineering teams that know your Yamaha from the inside out.
  • Page 112 Printed in Japan December 2018–1.2 × 1 CR Printed on recycled paper...

This manual is also suitable for:

T9.9

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