Yamaha LF115 Owner's Manual
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Yamaha LF115 Owner's Manual

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F115
LF115
F115B1
FL115B1
OWNER'S MANUAL
Read this manual carefully before operating this
LIT-18626-10-38
outboard motor.
6EK-28199-30-E0

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Summary of Contents for Yamaha LF115

  • Page 1 F115 LF115 F115B1 FL115B1 OWNER’S MANUAL Read this manual carefully before operating this LIT-18626-10-38 outboard motor. 6EK-28199-30-E0...
  • Page 2 Les gaz d’échappement du moteur de ce produit contiennent des substances chimiques connues dans l’État de Californie pour provoquer le cancer, des anomalies congénitales et des troubles de la reproduction. ZMU07696 Read this manual carefully before operating this outboard motor. Keep this manual onboard in a waterproof bag when boating.

  • Page 3: Important Manual Information

    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

    (if equipped) ........27 Rules when encountering vessels..5 Receiver (if equipped)....... 27 Other special situations...... 6 Yamaha Security System lock and unlock mode (if equipped) .... 27 General information ......9 Remote control box......28 Identification numbers record ..9 Remote control lever ......
  • Page 5 6Y8 Multifunction meters ....44 Battery ..........60 Filling fuel ........60 6Y8 Multifunction tachometers ..44 Operating engine ......61 Start-up checks........ 45 Yamaha Security System Sending fuel ........61 information (if equipped) ....45 Starting engine ......... 61 Low oil pressure-alert....... 46...
  • Page 6 IMPORTANT WARRANTY Checking painted surface of outboard motor......79 INFORMATION IF YOU USE Periodic maintenance ....80 YOUR YAMAHA OUTSIDE THE Replacement parts ......80 U.S.A. OR CANADA....105 Maintenance interval guidelines..80 Maintenance chart 1 ......81 INDEX ..........106 Maintenance chart 2 ......

  • Page 7: Safety Information

    Safety information EMU33623 EMU33661 Outboard motor safety Power trim and 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

    Gasoline and its vapors are highly flamma- Have an approved PFD on board for every ble and explosive. Always, refuel according occupant. Yamaha recommends that you to the procedure on page 61 to reduce the must wear a PFD whenever boating. At a risk of fire and explosion.

  • Page 9: Avoid Collisions

    Safety information tions. Overloading or incorrect weight EMU33791 Weather distribution can compromise the boats han- Stay informed about the weather. Check dling and lead to an accident, capsizing or weather forecasts before boating. Avoid swamping. boating in hazardous weather. EMU33773 Avoid collisions EMU44161 Accident reporting...

  • Page 10: Passenger Training

    Safety information successful completion of the course, the user EMU44740 Boating organizations can download a certificate of completion im- The following organizations provide boating mediately or, for a small charge, request one safety training and information about boating by mail. To take this free course, go to boa- safety and laws.

  • Page 11: Basic Boating Rules (Rules Of The Road)

    Safety information In Canada Stand-on vessel National Marine Manufacturers Associa- The vessel with the right-of-way has the duty tion Canada to continue its course and speed, except to 14 McEwan Drive avoid an immediate collision. When you Suite 8 maintain your direction and speed, the other Bolton, ON vessel will be able to determine how best to L7E 1H1...

  • Page 12: Other Special Situations

    Safety information Crossing: (you are traveling across the other Crossing When two power driven vessels are crossing vessel’s path) each other’s path close enough to run the risk Overtaking: (you are passing or being of collision, the vessel which has the other on passed by another vessel) the starboard (right) side must keep out of the In the following illustration, your boat is in the...
  • Page 13 Safety information ter vessels, the operator should sound a pro- red buoys are passed on the starboard (right) longed blast on the whistle (4 to 6 seconds). side when proceeding from open water into If another vessel is around the bend, it too port, and black buoys are to port (left) side.
  • Page 14 Safety information ZMU01708...

  • 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 reference in case your outboard motor is sto- len. 1. Key number...

  • Page 16: C-Tick Label

    General information ZMU01697 ZMU08137 1. CE marking location ZMU06040 EMU25215 C-Tick label Engines affixed with this label conform to cer- tain portion(s) of the Australian Radio Com- munications Act. ZMU08066 1. C-Tick label location...

  • Page 17: Read Manuals And Labels

     Read any manuals supplied with the boat.  Read all labels on the outboard motor and the boat. If you need any additional information, contact your Yamaha dealer. EMU33834 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements. ZMU08067...
  • Page 18 General information ZMU06191  Attach engine shut-off cord (lanyard) to EMU34652 Contents of labels your PFD, arm, or leg so the engine The above warning labels mean as follows. stops if you accidentally leave the helm, which could prevent a runaway boat. EWM01682 WARNING EMU33851...
  • Page 19 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 20: Specifications And Requirements

    Specifications and requirements Ignition system: EMU40501 Specifications TIP: Spark plug (NGK): “(SUS)” indicates that the specification is for LKR6E the outboard motor when it is equipped with Spark plug gap: a stainless steel propeller. 0.8–0.9 mm (0.031–0.035 in) EMU2821U Steering system: Remote steering Dimension and weight: Starting system:...

  • Page 21: Installation Requirements

    LF115B 0.715 L (0.756 US qt, ECM02461 NOTICE 0.629 Imp.qt) Tightening torque: The Yamaha Security System is sold in Spark plug: conformity with the relevant laws and reg- 25 Nm (2.55 kgf-m, 18.4 ft-lb) ulations regarding radio wave transmis- Propeller nut: sion.

  • Page 22: Remote Control Requirements

    Marine cranking amps (MCA/ABYC): mode, and only be started in the unlock 502–1370 A mode. Consult your Yamaha dealer for instal- Min. reserve capacity (RC/SAE): lation of the receiver. 124 minutes...

  • Page 23: Propeller Selection

    Your Yamaha dealer can help you select the On counter rotation models, be sure to use a right propeller for your boating needs. Select propeller intended for counterclockwise rota- a propeller that will allow the engine to reach tion.

  • Page 24: Engine Oil Requirements

    Engine oil quantity (with oil filter re- pinging occurs, use a different brand of gas- placement): oline or premium unleaded fuel. Yamaha rec- 3.2 L (3.38 US qt, 2.82 Imp.qt) ommends that you use alcohol-free gasoline If oil grades listed under Recommended en-...
  • Page 25 However, if gasoline with Ethanol is the anol and water mixture will separate from 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 26: Gasoline Additives

    Gasoline Additives use on aluminum may be applied to the out- Gasoline blends change to meet automobile board motor. The original Yamaha paint sur- emission regulations and economic condi- face may be scuffed lightly before applying tions. Additives, added by gasoline distribu-...

  • Page 27: Outboard Motor Disposal Requirements

    RÉGLAGES À EFFECTUER, CONSULTEZ LE MANUEL DU PROPRIÉTAIRE. INSTALLÉ AVEC LES COMPOSANTS HOMOLOGUÉS, IL SATISFAIT AUX NORMES EVAP EPA DES É.-U. plugs. FAMILLE : FELs(HC+NOx / CO): g/kW-h PUISS. MAX. : Consult your Yamaha dealer for details. CYLINDRÉE : litre RALENTI : ± tr/mm AU POINT MORT BOUGIE : BOUGIE-ÉCARTEMENT (mm) :...

  • Page 28: Star Labels

    Specifications and requirements Manufactured: ZMU01702 ZMU04346 EMU25275 EMU40341 Star labels Two Stars—Very Low Emission The two-star label identifies engines that Your outboard motor is labeled with a Califor- meet the Air Resources Board’s Personal nia Air Resources Board (CARB) star label. Watercraft and Outboard marine engine 2004 See below for a description of your particular exhaust emission standards.
  • Page 29 Specifications and requirements ZMU01704 EMU33862 Four Stars—Super Ultra Low Emission The four-star label identifies engines that meet the Air Resources Board’s Sterndrive and Inboard marine engine 2009 exhaust emission standards. Personal Watercraft and Outboard marine engines may also comply with these standards. Engines meeting these standards have 90% lower emissions than One Star-Low-Emission engines.

  • Page 30: Components

    Components EMU2579Z Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all models (order from dealer). ZMU08073 1. Top cowling 2. Cowling lock lever 3. Power trim and tilt unit 4.
  • Page 31 Components ZMU08074 1. Oil filler cap 2. Cowling lock lever 3. Fuel filter 4. Cooling water pilot hole 5. Drain screw 6. Gear oil drain screw 7. Cooling water inlet 8. Oil level plug 9. Oil dipstick...
  • Page 32 Components YAMAHA SPEED Km/h knot mile TRIP TIME BATT MODE mode MODE ZMU08138 1. Remote control box (side mount type)* 11.Speedometer unit (Square type)* 2. Remote control box (binnacle mount type)* 12.Speed & fuel meter unit (Square type)* 3. Remote control box (binnacle mount type)* 13.Speed &...

  • Page 33: Remote Control Transmitter (If Equipped)

    Remote control transmitter (if mote control transmitter yourself. Oth- equipped) erwise, the transmitter may not operate The lock and unlock modes of the Yamaha properly. If the transmitter needs a new Security System are selected using the re- battery, contact a Yamaha dealer.

  • Page 34: Remote Control Box

    “ ” (off) position. The engine cranks but cannot be started while the Yamaha Security System is in the lock mode. UNLOCK When the unlock button on the remote con- trol transmitter is pressed briefly, the beeper sounds twice.

  • Page 35: Neutral Interlock Trigger

    Components 1. Neutral “ ” 1. Neutral interlock trigger 2. Forward “ ” EMU26213 Neutral throttle lever 3. Reverse “ ” 4. Shift To open the throttle without shifting into ei- 5. Fully closed ther forward or reverse, put the remote con- 6.

  • Page 36: Tiller Handle

    Components EMU25925 Gear shift lever Move the gear shift lever forward to engage the forward gear or rearward to engage the reverse gear. ZMU04575 1. Fully open 2. Fully closed 3. Free accelerator TIP:  The free accelerator button can only be 1.

  • Page 37: Throttle Friction Adjuster

    Components ZMU04646 1. Throttle indicator EMU25977 Throttle 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 resistance, turn the adjuster clockwise.

  • Page 38: Engine Stop Button

    Components Also, without engine power, the boat could slow rapidly. This could cause peo- ple and objects in the boat to be thrown START START forward. [EWM00123] ZMU05818 1. Engine shut-off cord (lanyard) 2. Clip 3. Engine shut-off switch 1. Engine shut-off cord (lanyard) 2.

  • Page 39: Main Switch

    Components EMU26092 Main switch The main switch controls the ignition system; its operation is described below.  “ START START ” (off) With the main switch in the “ ” (off) posi- tion, the electrical circuits are off, and the key can be removed.

  • Page 40: Power Trim And Tilt Switch On Remote Control Or Tiller Handle

    Components EMU26156 TIP: Power trim and tilt switch on bottom  Check the tiller handle for smooth move- cowling ment when the lever is turned to the star- The power trim and tilt switch is located on board side “B”. the side of the bottom cowling.

  • Page 41: Power Trim And Tilt Switches (Twin Binnacle Type)

    Components EMU26245 Trim tab with anode EWM00841 WARNING An improperly adjusted trim tab could cause difficult steering. Always test run af- ter the trim tab has been installed or re- placed to be sure steering is correct. Be sure you have tightened the bolt after ad- justing the trim tab.

  • Page 42: Tilt Support Lever For Power Trim And Tilt Model

    Components EMU40761 Cowling lock lever The cowling lock levers are used to secure the top cowling. ZMU08077 Bolt tightening torque: 42 Nm (4.28 kgf-m, 31.0 ft-lb) ZMU08079 EMU26342 1. Cowling lock lever Tilt support lever for power trim and tilt model To keep the outboard motor in the tilted up position, lock the tilt support lever to the clamp bracket.

  • Page 43: Fuel Filter

    1. Fuel filter TIP: Adding an in-line 10-micron fuel filter has been shown to greatly reduce the chance of fuel contamination problems. Consult your dealer for information about Yamaha 10-mi- cron fuel filters if your boat does not have one.

  • Page 44: Instruments And Indicators

    Instruments and indicators EMU41391 Digital tachometer The tachometer shows the engine speed and has the following functions. All segments of the display will light momen- tarily after the main switch is turned on and will return to normal thereafter. ZMU01740 EMU26652 Hour meter This meter shows the number of hours the...

  • Page 45: Overheat-Alert Indicator

    ZMU01737 quantity. For further information, see 1. Overheat-alert indicator page 58. EMU26603 Digital speedometer This gauge shows the boat speed and other information. YAMAHA SPEED km/h knot mile ZMU01736 TRIP TIME BATT 1. Low oil pressure-alert indicator...

  • Page 46: Fuel Gauge

    Press the “ ” (mode) button until the the gauge will give false readings. Consult desired hour is displayed. your Yamaha dealer on how to correctly set Press the “ ” (set) button again, the the selector switch. NOTICE: Running out of minute display will begin blinking.

  • Page 47: Fuel Level-Alert Indicator

    Instruments and indicators Get back to the port soon if an alert device has activated. For charging the battery, con- sult your Yamaha dealer. YAMAHA SPEED km/h knot YAMAHA mile SPEED TRIP TIME BATT km/h knot mode mile ZMU07004 TRIP...

  • Page 48: Fuel Consumption Meter / Fuel Economy Meter / Twin Engine Speed Synchronizer

    Instruments and indicators  The fuel flow meter displays gallons/hour gine only), “ ” (for fuel flow to the port engine or liters/hour according to operator prefer- only), or “ ” (for total fuel flow both en- ence. Select the desired units of measure- gines).
  • Page 49 (winter or summer fuel and amount of additives).  The Yamaha digital speedometer and fuel ZMU01754 management meter calculates speed, 1. Port engine speed is higher miles traveled, and fuel economy by water 2.

  • Page 50: Water Separator-Alert Indicator

    For the optional sensor, con- This indicator only operates when a water sult your Yamaha dealer. The tachometer unit separator sensor is equipped. is available in round or square types. Check your tachometer unit type.

  • Page 51: Start-Up Checks

    (on). After all the displays come on and the to- tal hour display comes on, the gauge will change to normal operation. If the buzzer sounds and the water separator-alert indica- tor blinks, consult your Yamaha dealer imme- diately. ZMU06459...

  • Page 52: Low Oil Pressure-Alert

    Instruments and indicators has activated while the appropriate engine oil quantity is maintained, consult your Yamaha dealer. ECM01602 NOTICE Do not continue to run the engine if the low oil pressure alert device has activated. Serious engine damage will occur.

  • Page 53: Water Separator Alert

    (fuel filter) while cruising. In such an event, stop the engine immediately and see page 98 of this manual to drain the water from the fuel filter. Get back to the port soon and consult a Yamaha dealer immediately. ZMU05425 ZMU05423...

  • Page 54: 6Y8 Multifunction Speed & Fuel Meters

    For charging the battery, con- also be available. For the optional sensors, sult your Yamaha dealer. consult your Yamaha dealer. The speed & fuel meter unit is available in round or square types. Check your speed &...

  • Page 55: 6Y8 Multifunction Speedometers

    Instruments and indicators display, and clock will also be available. For the optional sensors, consult your Yamaha dealer. After the main switch is first turned on, all the displays come on as a test. After a few sec- onds, the gauge will change to normal oper- ation.
  • Page 56 Instruments and indicators buttons as described in this section. For more information, see the operation manual originally supplied with the meter. After the main switch is first turned on, all the displays come on as a test. After a few sec- onds, the gauge will change to normal oper- ation.

  • Page 57: Engine Control System

    Alert system ECM00092 NOTICE Do not continue to operate the engine if a alert device has activated. Consult your Yamaha dealer if the problem cannot be located and corrected. EMU26828 ZMU04583 Overheat alert This engine has the overheat alert device. If the engine temperature rises too high, the alert device will activate.

  • Page 58: Water Separator Alert

    If the oil level  The buzzer will sound. is correct and the alert device does not switch off, consult your Yamaha dealer. Twin engine drive users: If the low oil pressure alert system of one en- gine activates, both engines will slow down and the buzzer will sound.
  • Page 59 ZMU07012 ZMU07859 If the alert system has activated, stop the en- gine and check the fuel filter. If any water is found in the fuel, consult a Yamaha dealer. ECM02341 NOTICE Although the buzzer will stop when the en- gine is started and the remote control le-...

  • Page 60: Installation

    (drag) will increase, tant from the centerline. Consult your thereby reducing engine efficiency and per- Yamaha dealer or boat manufacturer for fur- formance. ther information on determining the proper Most commonly, outboard motor should be mounting location.
  • Page 61 Installation optimum mounting height. Consult your Yamaha dealer or boat manufacturer for fur- ther information on determining the proper mounting height. ZMU08083 1. Idle hole ECM01635 NOTICE  Make sure that the idle hole is high enough to prevent water from entering the engine even if the boat is stationary with the maximum load.

  • Page 62: 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 63: Fuel Level

    If any water is found in the fuel, or if a significant amount of debris is found, the fuel tank should be checked and cleaned by a ZMU08084 1. Cowling lock lever Yamaha dealer. ZMU08085 1. Cowling lock lever...

  • Page 64: Controls

    EMU36484 Consult your Yamaha dealer if the oil lev- Engine shut-off cord (lanyard) el is not at the proper level or if it appears Inspect the engine shut-off cord and clip for milky or dirty.

  • Page 65: Outboard Motor

    Operation EMU36965 Install cowling Be sure that all cowling lock levers are released. Be sure that the rubber seal is seated all the way around the top cowling. ZMU08088 1. Oil dipstick 2. Upper mark 3. Lower mark EMU40412 Outboard motor ...

  • Page 66: Power Trim And Tilt System

    If the top cowling is loose, have it repaired by your ZMU08094 Yamaha dealer. 1. Trim and tilt rod Check that the trim and tilt rod is free of corrosion or other flaws.

  • Page 67: Operating Engine

    Operation  Gasoline is poisonous and can cause in- drowsiness. Keep cockpit and cabin areas jury or death. Handle gasoline with care. well ventilated. Avoid blocking exhaust Never siphon gasoline by mouth. If you outlets. should swallow some gasoline or inhale EMU31814 a lot of gasoline vapor, or get some gas- Sending fuel...
  • Page 68 TIP: If equipped with the Yamaha Security The start-in-gear protection device prevents System: If the lock mode of the Yamaha the engine from starting except when in neu- Security System is selected, use the re- tral. mote control transmitter to select the un- Attach the engine shut-off cord to a se- lock mode.
  • Page 69 If equipped with the Yamaha Security ” (on). NOTICE: Never turn turn to “ System: If the lock mode of the Yamaha the main switch to “ ” (start) while Security System is selected, use the re- the engine is running.
  • Page 70 Yamaha Security System cor- rectly, use the transmitter as close as pos- sible from the receiver.  If the Yamaha Security System does not operate correctly, repeat the activating procedure. Place the remote control lever in “ ”...

  • Page 71: Checks After Starting Engine

    Stop the engine and check whether the cooling water inlet on the lower case or the cooling water pilot START hole is blocked. Consult your Yamaha dealer if the problem cannot be located and corrected. ZMU05830 Immediately after the engine starts, re- lease the main switch to return it to “...

  • Page 72: Warming Up Engine

    To shift out of neutral the engine starts, stop the engine. Pull the neutral interlock trigger up (if Otherwise, serious engine damage equipped). could occur. Consult your Yamaha dealer. [ECM02381] EMU36532 Checks after engine warm up EMU36542...
  • Page 73 Operation After the engine is at idle speed in gear To shift from in gear (forward/reverse) to neu- move the remote control lever / gear shift tral lever firmly and crisply into the neutral Close the throttle so that the engine position.

  • Page 74: Stopping Boat

    Operation  Do not shift into reverse while traveling at planing speeds. Loss of control, boat swamping, or damage to the boat could occur. The boat is not equipped with a separate braking system. 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.

  • Page 75: Trimming Outboard Motor

    (if equipped). Remove the key if the boat will be left un- attended. If equipped with the Yamaha Security System: When you leave your boat, set the Yamaha Security System to the lock mode by pressing the lock button of the...

  • Page 76: Adjusting Trim Angle (Power Trim And Tilt)

    Operation 1. Power trim and tilt switch 1. Trim operating angle EMU27889 Adjusting trim angle (Power trim and tilt) 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 ZMU07381 the motor is trimmed or tilted.

  • Page 77: Adjusting Boat Trim

    Operation Bow Down EMU27913 Adjusting boat trim Too much trim-in causes the boat to “plow” When the boat is on plane, a bow-up attitude through the water, decreasing fuel economy results in less drag, greater stability and effi- and making it hard to increase speed. Oper- ciency.

  • Page 78: Procedure For Tilting Up (Power Trim And Tilt Models)

    Operation EWM00251 WARNING 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 than a few minutes. Otherwise fuel may leak. ECM00242 NOTICE ZMU07382...

  • Page 79: Procedure For Tilting Down

    Operation NOTICE: Do not use the sure. [EWM00263] tilt support lever or knob when traile- ring the boat. The outboard motor could shake loose from the tilt support and fall. If the motor cannot be trailered in the normal running posi- tion, use an additional support device to secure it in the tilt position.

  • Page 80: Shallow Water

    Operation Push the power trim and tilt switch “ ” (down) to lower the outboard motor to the desired position. 1. Power trim and tilt switch EMU28063 Shallow water ZMU07851 EMU40702 1. Power trim and tilt switch Cruising in shallow water The outboard motor can be tilted up partially to allow operation in shallow water.

  • Page 81: Operating In Other Conditions

    Operation To return the outboard motor to the nor- mal running position, press the power trim and tilt switch and slowly tilt the out- board motor down. EMU41371 Operating in other conditions Operating in salt water After operating in saltwater, brackish water, or water high in other minerals, flush the cool- ing system with fresh water to minimize cor- rosion and clogging of the cooling water...

  • Page 82: Maintenance

     USE CARE when transporting fuel tank, It is advisable to have your outboard motor whether in a boat or car. serviced by an authorized Yamaha dealer pri-  DO NOT fill fuel container to maximum or to storage. However, you, the owner, with capacity.

  • Page 83: Conditioning And Stabilizing Gasoline

    Plus” eliminates the need to drain the Do not fill the fuel tank(s) to the point of over- fuel system. Consult your Yamaha dealer or flowing. Approximately 7/8 full will allow other qualified mechanic if the fuel system is enough space in the fuel tank to prevent gas- to be drained instead.

  • Page 84: Lubrication

    Seal replacement should be performed water. WARNING! Do not touch or re- by an authorized Yamaha dealer prior to move electrical parts when starting or use. during operation. Keep hands, hair, Lubricate all grease fittings.

  • Page 85: Cleaning The Outboard Motor

    Turn off the water supply, and then dis- clean and paint the areas. A touch-up paint is connect the garden hose from the gar- available from your Yamaha dealer. den hose connector. Connect the garden hose connector to the fitting on the bottom cowling and tighten it securely.

  • Page 86: Periodic Maintenance

    Maintenance A service manual is available for purchase EMU44950 Periodic maintenance through your Yamaha dealer for owners who EWM01872 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 87: 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 88 Maintenance Initial Every Item Actions 20 hours 100 hours 300 hours 500 hours (3 months) (1 year) (3 years) (5 years) Fuel line (High pres- Inspection sure) Fuel line (High pres- Inspection or replace- sure) ment as necessary Fuel line (Low pres- Inspection sure) Fuel line (Low pres-...

  • Page 89: Maintenance Chart 2

    Inspection Main switch/stop Inspection or replace- switch ment as necessary Wire harness connec- Inspection or replace- tions/wire coupler con- ment as necessary nections (Yamaha) Meter/gauge Inspection EMU34452 Maintenance chart 2 Every Item Actions 1000 hours Exhaust guide/ex- Inspection or replace-...

  • Page 90: Greasing

    Maintenance EMU28935 Greasing Yamaha marine grease (Water resistant grease) ZMU08103...

  • Page 91: Inspecting Spark Plug

    Do not attempt to diagnose any problems yourself. Instead, take the out- ZMU08118 board motor to a Yamaha dealer. You should 1. Spark plug cap periodically remove and check the spark plug Remove the spark plug. WARNING!

  • Page 92: Inspecting Idle Speed

    Install the spark plug, and then tighten it page 14. If you have difficulty verifying to the specified torque. the idle speed, or the idle speed requires adjustment, consult a Yamaha dealer or Spark plug tightening torque: other qualified mechanic. 25 Nm (2.55 kgf-m, 18.4 ft-lb)
  • Page 93 If you are not familiar with the proce- dure for changing the engine oil, consult your Yamaha dealer. Put the outboard motor in an upright po- sition (not tilted). NOTICE: If the out- ZMU08106 1.
  • Page 94 Apply a light coat of oil to the gasket and be sure the level falls between the upper install the drain screw. and lower marks. Consult your Yamaha Drain screw tightening torque: dealer if the oil level is out of specified 27 Nm (2.75 kgf-m, 19.9 ft-lb)

  • Page 95: Inspecting Wiring And Connectors

    15. Dispose of used oil according to local regulations. TIP:  For more information on the disposal of used oil, consult your Yamaha dealer.  Change the oil more often when operating the engine under adverse conditions such as extended trolling.

  • Page 96: Removing Propeller

    Maintenance ZMU07854 ZMU07900 Checkpoints 1. Cotter pin  Check each of the propeller blades for ero- 2. Propeller nut sion from cavitation or ventilation, or other 3. Washer damage. 4. Spacer  Check the propeller shaft for damage. 5. Propeller ...

  • Page 97: Changing Gear Oil

    NOTICE: Do not reuse the cotter pin. quantity of metal particles on the Otherwise, the propeller can come off magnetic gear oil drain screw, this during operation. [ECM01892] can indicate lower unit problem. Con- sult your Yamaha dealer. [ECM01901] ZMU06956 1. Cotter pin...
  • Page 98 2. Oil level plug Put a new gasket on the gear oil drain TIP: screw. Insert and tighten the gear oil For disposal of used oil, consult your Yamaha drain screw to the specified torque. dealer. Tightening torque: 9 Nm (0.92 kgf-m, 6.6 ft-lb)

  • Page 99: Inspecting And Replacing Anode(S)

    Maintenance EMU29317 EMU29324 Inspecting and replacing anode(s) Checking battery (for electric start Yamaha outboard motors are protected from models) corrosion by sacrificial anodes. Inspect the EWM01903 WARNING external anodes periodically. Remove scales Battery electrolyte is poisonous and caus- from the surfaces of the anodes. Consult a...

  • Page 100: Connecting The Battery

    ” (off) before working EMU38661 Storing the battery on the battery. When storing your Yamaha outboard motor Connect the red battery cable to the for prolonged periods of time (2 months or POSITIVE (+) terminal first. Then connect longer), remove the battery and store it in a the black battery cable to the NEGATIVE cool, dry place.

  • Page 101: Trouble Recovery

    A. Shift to neutral. Q. Is remote control transmitter registered? Engine will not start (starter operates). A. Use remote control transmitter registered Q. Is your Yamaha Security System in the with the receiver. lock mode? A. Set the security system to the unlock Q.
  • Page 102 Q. Is fuel filter clogged? Q. Has fuel pump malfunctioned? A. Clean or replace filter. A. Have serviced by a Yamaha dealer. Q. Have ignition parts failed? Q. Are spark plug(s) fouled or of incorrect A. Have serviced by a Yamaha dealer.
  • Page 103 A. Have propeller repaired or replaced. Q. Is throttle valve adjustment incorrect? Q. Is propeller pitch or diameter incorrect? A. Have serviced by a Yamaha dealer. A. Install correct propeller to operate out- board at its recommended speed (r/min) Q. Is battery cable disconnected? range.

  • Page 104: Temporary Action In Emergency

    A. Have serviced by a Yamaha dealer. Q. Is steering pivot loose or damaged? Q. Is specified fuel not being used? A. Tighten or have serviced by a Yamaha A. Replace fuel with specified type. dealer. Q. Is specified engine oil not being used?

  • Page 105: Running Single Engine (Twin Engines)

    Substituting an incorrect fuse or a piece of to the nearest harbor slowly and careful- wire could allow excessive current flow. This could cause electric system damage Have a Yamaha dealer check the out- and a fire hazard. board motor before operating it again. EMU29454...

  • Page 106: Power Trim And Tilt Unit Will Not Operate

    Install a spare fuse of the EWM01501 proper amperage. WARNING Consult your Yamaha dealer if the new fuse Gasoline is highly flammable, and its va- immediately blows again. pors are flammable and explosive. EMU40983 ...
  • Page 107 Trouble Recovery ZMU08123 1. Water detection switch coupler Remove the cover. ZMU07012 ZMU08139 1. Cover Remove the hose holder, and then re- move the fuel filter from its holder. ZMU07859 Stop the engine. Remove the top cowling. Disconnect the water detection switch coupler.

  • Page 108: Treatment Of Submerged Motor

    3. Water detection switch lead If the outboard motor is submerged, immedi- Drain the water in the filter cup by soak- ately take it to a Yamaha dealer. Otherwise ing it up with a rag. some corrosion may begin almost immedi- Put the O-ring on the filter cup in its orig- ately.

  • Page 109: Consumer Information (For North America)

    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 110 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 111: 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 112: Index

    INDEX 6Y8 Multifunction fuel management Clock............. 40 meters ..........49 Components diagram ......24 6Y8 Multifunction meters...... 44 Control functions, checking....58 6Y8 Multifunction speed & fuel Cooling water........65 meters ..........48 Cowling, installing......... 59 6Y8 Multifunction speedometers..49 Cowling lock lever.........
  • Page 113 INDEX Fuel leaks, checking for......57 Modifications .......... 2 Fuel level..........57 Mounting height........54 Fuel level-alert indicator ....... 41 Mounting outboard motor ....15 Fuel management meter....... 41 Mounting the outboard motor ....54 Fuel requirements......... 18 Fuel system .......... 57 Fuse, replacing ........
  • Page 114 Steering friction adjuster ...... 33 Yamaha Security System information Stop switches ........66 (if equipped)........45 Stopping boat........68 Yamaha Security System lock and Stopping engine ........68 unlock mode (if equipped)....27 Storing outboard motor ......76 Submerged outboard motor....102 Tachometer ..........
  • Page 115 — 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 116 Printed in Japan February 2014–4.6 × 1 CR Printed on recycled paper...

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