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Yamaha LF115 Owner's Manual

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OWNER'S MANUAL
q Read this manual carefully before operating this
outboard motor.
F115
LF115
U.S.A.Edition
LIT-18626-08-09
68V-28199-1B

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Summary of Contents for Yamaha LF115

  • Page 1 F115 LF115 OWNER’S MANUAL U.S.A.Edition q Read this manual carefully before operating this LIT-18626-08-09 outboard motor. 68V-28199-1B...
  • Page 2 EMU25062 ZMU01690 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 Therefore some items may not apply to ev- tain maximum enjoyment from your new ery model. Yamaha. If you have any question about the EMU25111 operation or maintenance of your outboard motor, please consult a Yamaha dealer.

  • Page 4: Table Of Contents

    Table of contents Safety information......1 Specifications of Battery....15 Mounting battery ......15 Outboard motor safety ....1 Multiple batteries ......15 Propeller..........1 Propeller selection ......15 Rotating parts........1 Counter rotation models ....16 Hot parts ........... 1 Start-in-gear protection ....
  • Page 5 Table of contents Flushing device ....... 30 Installation ........47 Fuel filter/Water separator....31 Installation........47 Instruments and indicators .... 32 Mounting the outboard motor ..47 Digital tachometer ......32 Operation ......... 49 Tachometer ........32 First-time operation ....... 49 Trim meter........
  • Page 6 Checking painted surface of IMPORTANT WARRANTY motor..........72 INFORMATION IF YOU USE Periodic maintenance....72 YOUR YAMAHA OUTSIDE THE Replacement parts ......73 USA OR CANADA ...... 99 Maintenance interval guidelines..73 Maintenance chart 1 ....... 74 Maintenance chart 2 ....... 76 Greasing .........

  • Page 7: Safety Information

    Safety information EMU33622 tor and the clamp bracket when the motor is Outboard motor safety trimmed or tilted. Keep body parts out of this Observe these precautions at all times. area at all times. Be sure no one is in this EMU36500 area before operating the power trim and tilt Propeller...

  • Page 8: Gasoline Exposure And Spills

    Personal flotation devices cording to the boat manufacturers instruc- Have an approved personal flotation device tions. Overloading or incorrect weight (PFD) on board for every occupant. Yamaha distribution can compromise the boats han-...

  • Page 9: Avoid Collisions

    Safety information dling and lead to an accident, capsizing or There is property damage to boats or swamping. other property over a certain amount. EMU33771 There is complete loss of a boat. Avoid collisions Contact local law enforcement personnel if a Scan constantly for people, objects, and report is necessary.

  • Page 10: Laws And Regulations

    Safety information EMU33590 1500 Leestown Road, Suite 330 Laws and regulations Lexington, KY 4051 859-225-9497 Know the marine laws and regulations where 859-225-9497 you will be boating- and obey them. Several www.nasbla.org sets of rules prevail according to geographic location, but all are basically the same as the National Marine Manufacturers Associa- International Rules of the Road.

  • Page 11: Rules When Encountering Vessels

    Safety information Stand-on vessel er vessel’s path) The vessel with the right-of-way has the duty Overtaking: (you are passing or being to continue its course and speed, except to passed by another vessel) avoid an immediate collision. When you In the following illustration, your boat is in the maintain your direction and speed, the other center.

  • Page 12: Other Special Situations

    Safety information Crossing bend that may obstruct the view of other wa- When two power driven vessels are crossing ter vessels, the operator should sound a pro- each other’s path close enough to run the longed blast on the whistle (4 to 6 seconds). risk of collision, the vessel which has the oth- If another vessel is around the bend, it too er on the starboard (right) side must keep out...
  • Page 13 Safety information er is going towards the port). This means that red buoys are passed on the starboard (right) side when proceeding from open wa- ter into port, and black buoys are to port (left) side. When navigating out of port, your posi- tion with respect to the buoys should be re- versed;...
  • 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 1.

  • Page 16: Read Manuals And Labels

    Read all labels on the outboard motor and the boat. ● If you need any additional information, contact your Yamaha dealer. EMU33831 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements. F115, LF115 ZMU05799...
  • Page 17 General information ZMU05670...
  • Page 18 General information EMU33843 Electrical hazard 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 19: Specifications And Requirements

    Specifications and requirements EMU34520 Engine: Specifications Type: TIP: 4-stroke L “(AL)” stated in the specification data below Displacement: 1741.0 cm represents the numerical value for the alumi- Bore × stroke: num propeller installed. 79.0 × 88.8 mm (3.11 × 3.50 in) Likewise, “(SUS)”...

  • Page 20: Installation Requirements

    Specifications and requirements Fuel and oil: Engine oil filter: Recommended fuel: 18.0 Nm (1.84 kgf-m, 13.3 ft-lb) Regular unleaded gasoline EMU33553 Installation requirements Min. pump octane: EMU33563 Boat horsepower rating Recommended engine oil: EWM01560 4-stroke outboard motor oil WARNING Recommended engine oil group 1*: Overpowering a boat can cause severe SAE 10W-30/10W-40/5W-30 instability.

  • Page 21: Battery Requirements

    502.0 A appropriate. Minimum reserve capacity (RC/SAE): Your Yamaha dealer can help you select the 124 minutes right propeller for your boating needs. Select ECM01061 a propeller that will allow the engine to reach...

  • Page 22: Counter Rotation Models

    [EWM01810] For instructions on propeller removal and in- stallation, see page 81 and 81. EMU25770 Start-in-gear protection Yamaha outboard motors or Yamaha-ap- proved remote control units are equipped with start-in-gear protection device(s). This...

  • Page 23: Fuel Requirements

    All ethanol blends containing more than 10% ethanol can cause fuel system damage or cause en- gine starting and running problems. Yamaha does not recommend gasohol containing methanol because it can cause fuel system damage or engine performance problems.

  • Page 24: Muddy Or Acidic Water

    Yamaha recommends the use of EMU36351 Ring Free Fuel Additive, available from Emergency equipment your Yamaha dealer. Ring Free Fuel Addi- Keep the following items onboard in case tive has repeatedly proven its ability to clean there is trouble with the motor.

  • Page 25: Star Labels

    Specifications and requirements particular label. ZMU04776 EMU25262 Manufactured date label EMU25280 This label is attached to the clamp bracket or One Star—Low Emission the swivel bracket. The one-star label identifies engines that meet the Air Resources Board’s 2001 ex- haust emission standards. Engines meeting these standards have 75% lower emissions than conventional carbureted two-stroke en- gines.
  • Page 26 Specifications and requirements EMU25290 EMU33861 Two Stars—Very Low Emission Four Stars—Super Ultra Low Emission The two-star label identifies engines that The four-star label identifies engines that meet the Air Resources Board’s 2004 ex- meet the Air Resources Board’s Sterndrive haust emission standards. Engines meeting and Inboard marine engine 2009 exhaust these standards have 20% lower emissions emission standards.

  • Page 27: Components

    EMU2579H Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. F115, LF115 ZMU04773 1. Top cowling 16. Trim meter* 2. Top cowling lock lever(s) 17. Digital speedometer* 3.

  • Page 28: Remote Control Box

    Components ZMU05429 1. Tachometer unit (Square type)* 2. Tachometer unit (Round type)* 3. Speedometer unit (Square type)* 4. Speed & fuel meter unit (Square type)* 5. Speed & fuel meter unit (Round type)* 6. Fuel management meter (Square type)* EMU26181 Remote control box The remote control lever actuates both the shifter and the throttle.

  • Page 29: Remote Control Lever

    Components ZMU04569 ZMU04573 1. Remote control lever 1. Neutral “ ” 2. Power trim and tilt switch 2. Forward “ ” 3. Free accelerator 3. Reverse “ ” 4. Throttle friction adjuster 4. Shift 5. Fully closed EMU26190 6. Throttle Remote control lever 7.

  • Page 30: Free Accelerator

    Components used when the remote control lever is in TIP: the neutral position. The neutral throttle lever will operate only After the button is pushed, the throttle be- ● when the remote control lever is in neutral. gins to open after the remote control lever The remote control lever will operate only is moved at least 35°.

  • Page 31: Throttle Grip

    Components 1. Throttle indicator 1. Forward “ ” 2. Neutral “ ” EMU25973 3. Reverse “ ” Throttle friction adjuster A friction device provides adjustable resis- EMU25941 tance to movement of the throttle grip or the Throttle grip remote control lever, and can be set accord- The throttle grip is on the tiller handle.

  • Page 32: Engine Shut-Off Cord (Lanyard) And Clip

    Components ing normal operation. Loss of engine power means the loss of most steering control. Also, without engine power, the boat could slow rapidly. This could cause people and objects in the boat to be thrown forward. [EWM00122] ZMU04646 1. Cord 2.

  • Page 33: Engine Stop Button

    Components sition, the starter motor turns to start the en- gine. When the key is released, it returns automatically to the “ ” (on) position. 1. Cord 2. Engine shut-off switch 3. Cord EMU26001 Engine stop button START START To open the ignition circuit and stop the en- gine, push this button.

  • Page 34: Power Trim And Tilt Switch On Remote Control Or Tiller Handle

    Components port side “A”. To decrease resistance, turn the lever to the starboard side “B”. EWM00040 WARNING Do not overtighten the friction adjuster. If there is too much resistance, it could be difficult to steer, which could result in an accident.

  • Page 35: Power Trim And Tilt Switches (Twin Binnacle Type)

    Components distract the operator, increasing the risk TIP: of collision with another boat or an obsta- On the dual engine control, the switch on the cle. remote control grip controls both outboard motors at the same time. EMU26244 Trim tab with anode EWM00840 WARNING An improperly adjusted trim tab could...

  • Page 36: Tilt Support Lever For Power Trim And Tilt Model

    Components an additional support device to secure it 2. Bolt in the tilt position. 3. Cap EMU26382 Top cowling lock lever (pull up type) To remove the engine top cowling, pull up the lock lever(s) and lift off the cowling. When installing the cowling, check to be sure it fits properly in the rubber seal.

  • Page 37: Fuel Filter/Water Separator

    ● when the gear shift is in neutral. If the alert system has activated, stop the ● engine and consult a Yamaha dealer im- mediately. TIP: Adding an in-line 10-micron fuel filter has been show to greatly reduce the chance of...

  • Page 38: Instruments And Indicators

    Instruments and indicators EMU26493 the power trim and tilt switch. Digital tachometer If the trim angle of your motor exceeds the ● The tachometer shows the engine speed trim operating range, the top segment on and has the following functions. the trim meter display will blink.

  • Page 39: Low Oil Pressure-Alert Indicator

    Instruments and indicators EMU26524 Low oil pressure-alert indicator If oil pressure drops too low, the alert indica- tor will start to blink. For further information, see page 45. ECM00022 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 40: Fuel Gauge

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

  • Page 41: Fuel Level-Alert Indicator

    Get back to the port soon if an alert device has activated. For charging the battery, con- sult your Yamaha dealer. The clock operates on battery power. Dis- connecting the battery will stop the clock. Reset the clock after connecting the battery.

  • Page 42: Fuel Flow Meter

    Instruments and indicators will return to normal thereafter. EMU26752 Fuel flow meter The fuel flow meter displays the amount of fuel flow over a one-hour period, at the cur- rent rate of engine operation. The fuel flow meter displays gallons/hour ●...
  • Page 43 (winter or summer fuel and amount of additives). The Yamaha digital speedometer and fuel ● ZMU01754 management meter calculates speed, miles traveled, and fuel economy by water...

  • Page 44: Analog Tachometer

    If large differences in trim angle or throttle are needed to synchronize the engines, con- sult your Yamaha dealer for adjustments to the throttle cables. ZMU04754 EMU26471 Analog tachometer...

  • Page 45: Command Link Multifunction Meters

    Instruments and indicators will be available. For the optional sensor, consult your Yamaha dealer. The tachome- ter unit is available in round or square types. Check your tachometer unit type. ZMU04581 Memorize the trim angles that work best for your boat under different conditions. Adjust...

  • Page 46: Start-Up Checks

    ECM01601 NOTICE will change to normal operation. If the buzzer Do not continue to run the engine if the sounds and the water separator-alert indica- low oil pressure alert device has activat- tor blinks, consult your Yamaha dealer im-...

  • Page 47: Overheat Alert

    (fuel filter) while cruising. In such an event, stop the engine immediately and see page 89 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 48: Low Battery Voltage-Alert

    Command Link multifunction NOTICE speed & fuel meters In such an event, the engine will not oper- ate properly. Consult a Yamaha dealer The speed & fuel meter unit shows the boat immediately. speed and has the functions of fuel meter, to-...

  • Page 49: Command Link Multifunction Speedometers

    3. Multifunction display temperature display, depth 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 50: Command Link Multifunction Fuel Management Meters

    Instruments and indicators ation. For more information, see the operation manual originally supplied with the meter. ZMU05436 1. Set button 2. Mode button ZMU05438 1. Set button 2. Mode button ZMU05437 1. Speedometer 2. Fuel meter ZMU05439 3. Multifunction display 1.

  • Page 51: Engine Control System

    Alert system ECM00091 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. EMU30345 ZMU03025 Overheat alert (twin engines) This engine has an overheat-alert device. If the engine temperature rises too high, the alert device will activate.

  • Page 52: Low Oil Pressure Alert

    ZMU04587 If the alert system has activated, stop the en- gine as soon as it is safe to do so. Check the oil level and add oil as needed. If the oil level is correct, consult your Yamaha dealer. ZMU04254...

  • Page 53: Installation

    Consult your engine overheating. If the engine is mounted Yamaha dealer or boat manufacturer for fur- too low, water resistance (drag) will in- ther information on determining the proper crease, thereby reducing engine efficiency mounting location.
  • Page 54 Test runs at differ- ent heights can help determine the optimum mounting height. Consult your Yamaha deal- er or boat manufacturer for further informa- tion on determining the proper mounting height.

  • Page 55: Operation

    Operation EMU36380 TIP: First-time operation Failure to follow the break-in procedure EMU36390 could result in reduced engine life or even Fill engine oil severe engine damage. Run the engine in The engine is shipped from the factory with- the water, under load (in gear with a propel- out engine oil.

  • Page 56: Fuel Level

    Yamaha dealer. ZMU06176 ZMU05483 EMU36440...

  • Page 57: Engine Shut-Off Cord (Lanyard)

    Check the oil level using the dipstick to be sure the level falls between the upper level mark and lower level mark. Consult your Yamaha dealer if the oil level is out of specified level or if it appears milky or dirty.

  • Page 58: Engine

    After installing, check the fitting of the top ed, cooling water can leak out and the en- cowling by pushing it with both hands. If the gine can overheat during operation. top cowling is loose, have it repaired by your [ECM01800] Yamaha dealer.

  • Page 59: Checking Power Trim And Tilt System

    Operation ZMU02633 EMU29158 1. Tilt rod Checking power trim and tilt system 2. Trim rods EWM01930 3. Tilt support lever WARNING Never get under the lower unit while it ● Use the tilt support lever to lock the mo- is tilted, even when the tilt support lever tor in the up position.

  • Page 60: Battery

    Operation doctor immediately. If gasoline spills on your skin, wash with soap and wa- ter. If gasoline spills on your clothing, change your clothes. Stop the engine. Be sure you are in a well-ventilated out- door area, either securely moored or trailered.

  • Page 61: Starting Engine

    Operation open flames and sparks while loosen- EMU27595 Electric start / prime start models ing the air vent screw. EWM01840 This product emits exhaust gases ● WARNING which contain carbon monoxide, a col- Failure to attached engine shut-off cord ● orless, odorless gas which could cause could result in a runaway boat if opera- brain damage or death when inhaled.
  • Page 62 Operation keep the starter motor turning for more than 5 seconds. If the starter motor is turned continuously for more than 5 seconds, the battery will be quickly discharged, thus making it impossible to start the engine. The starter can also be damaged. If the engine will not start after 5 seconds of cranking, return the main switch to “...
  • Page 63 Operation TIP: START START The start-in-gear protection device prevents the engine from starting except when in neu- tral. ZMU04589 Turn the main switch to “ ” (on). TIP: Dual engine users: When the main switch is turned on, the buzzer operates for a few sec- onds then stops automatically.

  • Page 64: Checks After Starting Engine

    [ECM01830] case or the cooling water pilot hole is EMU36530 Checks after engine warm-up blocked. Consult your Yamaha dealer if the problem cannot be located and cor- EMU36540 Shifting rected. While tightly moored, and without applying...

  • Page 65: Stop Switches

    Operation EMU36980 Move the remote control lever / gear Stop switches shift lever firmly and crisply forward (for Turn the main switch to “ ”, or press the ● forward gear) or backward (for reverse engine stop button and make sure the en- gear) [about 35°...

  • Page 66: Stopping Boat

    Operation ZMU04588 After the engine is at idle speed in gear EMU31742 Stopping boat move the remote control lever / gear shift lever firmly and crisply into the neu- EWM01510 WARNING tral position. Do not use the reverse function to slow ●...

  • Page 67: Stopping Engine

    Operation shift mechanism. 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.

  • Page 68: Adjusting Trim Angle (Power Trim And Tilt)

    Operation the boat begins to feel unstable or is hard angle. Body parts can be crushed be- to steer, slow down and/or readjust the tween the motor and the clamp bracket trim angle. when the motor is trimmed or tilted. Use caution when trying a trim position ●...

  • Page 69: Adjusting Boat Trim

    Operation When the bow of the boat is down, it is easier to accelerate from a standing start onto plane. ZMU04231 1. Power trim and tilt switch Bow Up Too much trim-out puts the bow of the boat too high in the water. Performance and econ- omy are decreased because the hull of the boat is pushing the water and there is more air drag.

  • Page 70: Tilting Up And Down

    Operation tion difficult and dangerous. the engine by following the procedure on page 61. 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 ●...
  • Page 71 Operation ZMU04232 Press the power trim and tilt switch “ ” (up) until the outboard motor has tilted up completely. Pull the tilt support lever toward you to support the engine. WARNING! After tilting the outboard motor, be sure to support it with the tilt support knob or tilt support lever.

  • Page 72: Procedure For Tilting Down

    Operation Release the tilt support lever. ZMU03449 ZMU03453 Models equipped with trim rods: Once the outboard motor is supported with the Push the power trim and tilt switch “ ” tilt support lever, press the power trim (down) to lower the outboard motor to and tilt switch “...

  • Page 73: Shallow Water

    Operation ZMU03525 ZMU04255 ZMU04588 EMU28061 Shallow water EMU32851 Power trim and tilt models The outboard motor can be tilted up partially to allow operation in shallow water. ECM00260 NOTICE Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set- Slightly tilt the outboard motor up to the ting up for and cruising in shallow water.

  • 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 18) 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

    Consult your Yamaha Store the outboard motor in a dry, well- ● dealer for further details.

  • Page 76: Procedure

    “Yamaha Fuel Conditioner and Stabilizer” to each gallon of fuel. 1. Flushing attachment TIP: The use of “Yamaha Fuel Conditioner and Cooling system flushing is essential to Stabilizer” eliminates the need to drain the prevent the cooling system from clog- fuel system.

  • Page 77: Lubrication

    82. Inspect the 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. Grease all grease fittings. For further de- tails, see page 77.

  • Page 78: Cleaning The Outboard Motor

    Yamaha dealer or other qualified [ECM00541] mechanic do the work. TIP: The procedures involve disassembling When flushing the engine with the boat in ●...

  • Page 79: Replacement Parts

    Maintenance through your Yamaha dealer for owners who have the mechanical skills, tools, and other equipment necessary to perform mainte- nance not covered by this owner’s manual. EMU28511 Replacement parts If replacement parts are necessary, use only genuine Yamaha parts or parts of equivalent design and quality.

  • Page 80: Maintenance Chart 1

    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 20 hours Item...
  • Page 81 Maintenance Initial Every 20 hours Item Actions hours (1 hours (3 hours (5 months) year) years) years) Fuel filter (can be dis- Inspection or replace- assembled) ment as necessary Fuel line(High pres- Inspection sure) Fuel line(High pres- Inspection or replace- sure) ment as necessary Fuel line(Low pres-...

  • Page 82: Maintenance Chart 2

    Main switch/stop Inspection or replace- switch/choke switch ment as necessary Wire harness connec- Inspection or replace- tions/Wire coupler con- ment as necessary nections (Yamaha) Meter/gauge Inspection EMU34451 Maintenance chart 2 Every Item Actions 1000 hours Guide exhaust/exhaust Inspection or replace-...

  • Page 83: Greasing

    Maintenance EMU28932 Greasing Yamaha marine grease (Water resistant grease) F115, LF115 ZMU04266 EMU28955 other deposits are excessive, you should re- Cleaning and adjusting spark plug place the spark plug with another of the cor- The spark plug is an important engine com- rect type.

  • Page 84: Checking Fuel Filter

    For cleaning or replacement of the Be sure to use the specified spark plug, fuel filter, consult your Yamaha dealer. otherwise the engine may not operate properly. Before fitting the spark plug, measure the electrode gap with a wire thickness gauge;...

  • Page 85: Changing Engine Oil

    If you have difficulty ver- ifying the idle speed, or the idle speed re- quires adjustment, consult a Yamaha dealer or other qualified mechanic. Verify whether the idle speed is set to specification. For idle speed specifica- tions, see page 13.

  • Page 86: Checking Wiring And Connectors

    10. Recheck the oil level using the dipstick to be sure the level falls between the up- per and lower marks. Consult your Yamaha dealer if the oil level is out of specified level. ZMU04286 EMU32111...

  • Page 87: Removing Propeller

    Maintenance nut. Put a wood block between the anti-cavi- not use your hand to hold the propel- tation plate and the propeller to prevent the ler when loosening the propeller nut. propeller from turning. [EWM01890] ZMU01897 Checkpoints 1. Cotter pin 2.

  • Page 88: Changing Gear Oil

    Maintenance Apply Yamaha marine grease or a cor- stand. You could be severely injured if rosion resistant grease to the propeller the outboard motor falls on you. shaft. Never get under the lower unit while it ● Install the thrust washer and propeller is tilted, even when the tilt support lever on the propeller shaft.

  • Page 89: Inspecting And Replacing Anode(S)

    If the oil is milky, water drain screw. is getting into the gear case which Tightening torque: can cause gear damage. Consult a 9 Nm (0.9 kgf-m, 6.6 ft-lb) Yamaha dealer for repair of the lower unit seals. [ECM00711] EMU29312 TIP: Inspecting and replacing anode(s)

  • Page 90: Checking Battery (For Electric Start Models)

    WARNING tery’s charge. If the battery needs charg- Battery electrolytic fluid is poisonous ing, consult your Yamaha dealer. and caustic, and batteries generate ex- Check the battery connections. They plosive hydrogen gas. When working...

  • Page 91: Disconnecting The Battery

    Maintenance ATIVE (-) terminal. 1. Red cable 2. Black cable 3. Battery The electrical contacts of the battery and cables must be clean and properly con- nected, or the battery will not start the engine. EMU29371 Disconnecting the battery Turn off the battery cut-off switch (if equipped) and main switch.

  • Page 92: 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 flash- Q. Are spark plug(s) fouled or of incorrect ing, consult your Yamaha dealer.
  • Page 93 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 94 Q. Is fuel system obstructed? Q. Is water pump or thermostat faulty? A. Check for pinched or kinked fuel line or A. Have serviced by a Yamaha dealer. other obstructions in fuel system. Q. Is there excess water in fuel filter cup? Q.

  • Page 95: Temporary Action In Emergency

    ECM00370 Q. Is steering pivot loose or damaged? NOTICE A. Tighten or have serviced by a Yamaha If the boat is operated with one engine in dealer. the water but not running, water may run...

  • Page 96: Replacing Fuse

    1. Electrical cover 2. Fuse holder damage and a fire hazard. 3. Fuse (20 A × 2, 30 A × 2) Consult your Yamaha dealer if the new fuse 4. Spare fuse (20 A, 30 A) immediately blows again. 5. Fuse puller ZMU04280 1.

  • Page 97: Water Separator-Alert Indicator Blinks While Cruising

    Trouble Recovery charged battery or a failure with the power hazard. trim and tilt unit, the engine can be tilted If the water separator-alert indicator on the manually. Command Link tachometer blinks, perform Loosen the manual valve screw by turn- the following procedure.

  • Page 98: Starter Will Not Operate

    Make sure no one is standing behind ● water separator-alert indicator remains you when pulling the starter rope. It off. Have a Yamaha dealer inspect the could whip behind you and injure outboard motor after returning to port. someone. An unguarded, rotating flywheel is very...

  • Page 99: Emergency Starting Engine

    Trouble Recovery dangerous. Keep loose clothing and other objects away when starting the engine. Use the emergency starter rope only as instructed. Do not touch the fly- wheel or other moving parts when the engine is running. Do not install the starter mechanism or top cowling after the engine is running.

  • Page 100: Treatment Of Submerged Motor

    EMU33501 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- ately. NOTICE: Do not attempt to run the outboard motor until it has been com- pletely inspected.

  • Page 101: Consumer Information

    Consumer information EMU29811 Important warranty information for U.S.A. and Canada...
  • Page 102 Consumer information...

  • Page 103: Yamaha Motor

    Consumer information EMU29830 YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY...
  • Page 104 Consumer information...

  • Page 105: Important Warranty Information If You Use Your Yamaha Outside The Usa Or Canada

    Consumer information EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA...
  • Page 108 Printed in Japan April 2008–0.1 × 1 ! Printed on recycled paper...

This manual is also suitable for:

F115

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