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Yamaha 40V Owner's Manual
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Yamaha 40V Owner's Manual

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OWNER'S MANUAL
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Read this manual carefully before operating this
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outboard motor.
40V
50H
63D-28199-24-E0

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Summary of Contents for Yamaha 40V

  • Page 1 OWNER’S MANUAL Read this manual carefully before operating this outboard motor. 63D-28199-24-E0...
  • Page 2 EMU25052 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: Important Manual Information

    Any damage tain maximum enjoyment from your new resulting from neglect of these instructions is Yamaha. If you have any question about the not covered by warranty. operation or maintenance of your outboard Some countries have laws or regulations re- motor, please consult a Yamaha dealer.

  • Page 4: Table Of Contents

    Table of contents Safety information......1 Propeller selection ......12 Start-in-gear protection ....13 Outboard motor safety ....1 Engine oil requirements ....13 Propeller..........1 Fuel requirements ......13 Rotating parts........1 Gasoline .......... 13 Hot parts ........... 1 Muddy or acidic water ....
  • Page 5 Table of contents Top cowling lock lever(s) Operation after a long period of (turn type) ........27 storage .......... 41 Alert indicator ........27 Install cowling ........42 Instruments and indicators .... 28 Power trim and tilt system ....42 Filling fuel and engine oil ....
  • Page 6 Table of contents outboard motor ......... 64 Clamp screw mounting models ..64 Storing outboard motor ....64 Procedure ........65 Lubrication (oil injection models)..66 Cleaning the outboard motor ..66 Checking painted surface of motor..........66 Periodic maintenance....66 Replacement parts ......

  • 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 boating in hazardous weather. swamping. EMU33880 Passenger training EMU33771 Avoid collisions Make sure at least one other passenger is Scan constantly for people, objects, and trained to operate the boat in the event of an other boats.

  • Page 10: 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 11: C-Tick Label

    General information ZMU01697 ZMU04889 1. CE marking location ZMU06040 EMU25213 C-Tick label Engines affixed with this label conform to certain portion(s) of the Australian Radio Communications Act. ZMU06138 1. C-Tick label location...

  • Page 12: 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. EMU33831 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements. ZMU06161...
  • Page 13 General information ZMU05670 EMU33912 Contents of labels EWM01671 The above warning labels mean as follows. WARNING Read Owner’s Manuals and labels. ● EWM01691 Wear an approved personal flotation ● WARNING device (PFD). Emergency starting does not have start- Attach engine shut-off cord (lanyard) to ●...
  • Page 14 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 15: Specifications And Requirements

    Specifications and requirements EMU31480 40VETO 88.0 kg (194 lb) Specifications 40VWHTO 93.0 kg (205 lb) TIP: 50HETO 88.0 kg (194 lb) 50HWHTO 93.0 kg (205 lb) “(AL)” stated in the specification data below Performance: represents the numerical value for the alumi- Full throttle operating range: num propeller installed.
  • Page 16 Specifications and requirements 50HETO Remote control 50HMHO Manual tilt 50HMHO Tiller 50HWHTO Power trim and tilt 50HWHTO Tiller Propeller mark: Starting system: 40VETO Electric Fuel and oil: 40VWHTO Manual and electric Recommended fuel: 50HETO Electric Regular unleaded gasoline 50HMHO Manual Fuel tank capacity: 50HWHTO Manual and electric 24 L (6.34 US gal, 5.28 Imp.gal)

  • Page 17: Installation Requirements

    Yamaha dealer passengers overboard. about battery selection and correct wiring. If the engine ever starts in gear, the ●...

  • Page 18: Without A Rectifier Or Rectifier Regulator

    ZMU04607 where a different propeller would be more appropriate. 1. Propeller diameter in inches Your Yamaha dealer can help you select the 2. Propeller pitch in inches right propeller for your boating needs. Select 3. Type of propeller (propeller mark)

  • Page 19: Start-In-Gear Protection

    EMU25651 engine starting and running problems. Engine oil requirements Yamaha does not recommend gasohol con- taining methanol because it can cause fuel Recommended engine oil: system damage or engine performance YAMALUBE 2-stroke outboard motor problems.

  • Page 20: Motor Disposal Requirements

    This label is attached to the clamp bracket or with clip. the swivel bracket. Spare parts, such as an extra set of spark ● plugs. Consult your Yamaha dealer for details. EMU25221 Emission control information EMU25310 U.S. insular areas Engines affixed with the label pictured below conform to U.S.
  • Page 21 Specifications and requirements...

  • Page 22: Components

    Components EMU2579H Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. 50HMHO YAMAHA SPEED Km/h knot mile TRIP TIME BATT mode ZMU06162 1. Manual starter handle 16. Digital speedometer* 2.
  • Page 23 Components 40VWHTO, 50HWHTO YAMAHA SPEED Km/h knot mile TRIP TIME BATT mode ZMU04997 1. Manual starter handle* 2. Tiller handle* 3. Clamp bracket 4. Anode* 5. Cooling water inlet 6. Propeller 7. Trim tab (anode) 8. Anti-cavitation plate 9. Anode* 10.

  • Page 24: Fuel Tank

    Components 40VETO, 50HETO YAMAHA SPEED Km/h knot mile TRIP TIME BATT mode ZMU06163 EMU25802 1. Oil tank filler cap* Fuel tank 2. Battery cable* If your model was equipped with a portable 3. Anode* fuel tank, its function is as follows.

  • Page 25: Fuel Joint

    Components ZMU02284 1. Power trim and tilt switch 1. Fuel joint 2. Remote control lever 2. Fuel gauge 3. Neutral interlock trigger 3. Fuel tank cap 4. Neutral throttle lever 4. Air vent screw 5. Main switch EMU25830 6. Engine shut-off switch Fuel joint 7.

  • Page 26: Neutral Interlock Trigger

    Components 6. Throttle 7. Fully open EMU26201 Neutral interlock trigger To shift out of neutral, first pull the neutral in- terlock trigger up. 1. Fully open 2. Fully closed EMU25911 Tiller handle To change direction, move the tiller handle to the left or right as necessary.

  • Page 27: 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 28: Engine Shut-Off Cord (Lanyard) And Clip

    Components When constant speed is desired, tighten the 1. Cord adjuster to maintain the desired throttle set- 2. Clip ting. 3. Engine shut-off switch EMU25993 Engine shut-off cord (lanyard) and clip The clip must be attached to the engine shut- off switch for the engine to run.

  • Page 29: Manual Starter Handle

    Components EMU26070 Manual starter handle To start the engine, first gently pull the han- dle out until resistance is felt. From that posi- tion, then pull the handle straight out quickly to crank the engine. ZMU02942 EMU26090 Main switch The main switch controls the ignition system; its operation is described below.

  • Page 30: Steering Friction Adjuster

    Components there is too much resistance, it could be difficult to steer, which could result in an accident. EMU26143 Power trim and tilt switch on remote control or tiller handle The power trim and tilt system adjusts the outboard motor angle in relation to the tran- som.

  • Page 31: Trim Tab With Anode

    Components ing the switch “ ” (up) trims the outboard steering control can be turned to either the motor up, and then tilts it up. Pressing the right or left by applying the same amount of switch “ ” (down) tilts the outboard motor force.

  • Page 32: Tilt Lock Mechanism

    Components ZMU03357 ZMU03194 EMU30530 ECM00660 Tilt lock mechanism NOTICE The tilt lock mechanism is used to prevent Do not use the tilt support lever or knob the outboard motor from lifting out of the wa- when trailering the boat. The outboard ter when in reverse gear.

  • Page 33: Top Cowling Lock Lever(S) (Turn Type)

    Components port and fall. If the motor cannot be trail- page 33. ered in the normal running position, use an additional support device to secure it in the tilt position. EMU26372 Top cowling lock lever(s) (turn type) To remove the engine top cowling, turn the lock lever(s) and lift off the cowling.

  • Page 34: 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 35: Oil Level Indicator (Digital Type)

    Instruments and indicators EMU26551 Oil level indicator (digital type) This indicator shows the engine oil level. If the oil level falls below the lower limit, the alert indicator will start to blink. For further in- formation, see page 34. ECM00030 NOTICE Do not operate the engine without oil.

  • Page 36: 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 37: 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 38: Analog Speedometer

    For in- EMU26611 Analog trim meter structions on how to select the counting mode, consult your Yamaha dealer. This gauge shows the trim angle of your out- board motor.

  • Page 39: 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. EMU2681A ZMU01757 Overheat alert This engine has an overheat-alert device. If The buzzer will sound (if equipped on the ●...

  • Page 40: Oil Level Alert And Oil Filter Clogging Alert

    Engine control system EMU26848 Oil level alert and oil filter clogging alert Oil injection models This engine has an oil level alert system. If the oil level falls below the lower limit, the alert system will activate. Activation of alert device Engine speed will automatically decrease ●...
  • Page 41 Engine control system ZMU03366 1. Oil filter...

  • Page 42: Installation

    Test runs at differ- centerline (keel line) of the boat. 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...

  • Page 43: Clamping The Outboard Motor

    Installation board motor because they could be- come loose due to engine vibration. WARNING! Loose clamp screws could allow the outboard motor to fall off or move on the transom. This could cause loss of control and seri- ous injury. Make sure the transom screws are tightened securely.
  • Page 44 Installation your Yamaha dealer. WARNING! Avoid using bolts, nuts or washers other than those contained in the engine packaging. If used, they must be of at least the same quality of material and strength and must be tightened se- curely. After tightening, test run the engine and check their tightness.

  • Page 45: Operation

    5 minutes at a time. After the first 10 hours: Operate the engine normally. Use only straight gasoline in the fuel tank. The Yamaha oil injection system provides proper lubrication for normal operation. EMU36400 Getting to know your boat : Gasoline Different boats handle differently.

  • Page 46: Fuel Level

    Check that the fuel filter is clean and free of lift off the cowling. water. 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 Yamaha dealer. ZMU06093 EMU36440 Fuel system EWM00060...

  • Page 47: Engine Shut-Off Cord (Lanyard)

    Operation to the fully open position. Make sure that it turns smoothly and that it completely re- turns to the fully closed position. Look for loose or damaged connections of ● the throttle and shift cables under the en- gine cowling. Remote control models: Turn the steering wheel full-right and full- ●...

  • Page 48: Install Cowling

    Operation should supply oil normally. If no oil is flowing after 10 minutes of idling, consult your Yamaha dealer. ZMU06118 After installing, check the fitting of the top cowling by pushing it with both hands. If the ZMU03367 top cowling is loose, have it repaired by your Yamaha dealer.

  • Page 49: Filling Fuel And Engine Oil

    Operation ter. If gasoline spills on your clothing, change your clothes. Stop the engine. Remove the portable tank from the boat. Be sure you are in a well-ventilated out- door area, either securely moored or trailered. Do not smoke and keep away from sparks, flames, static electric discharge, ZMU03417 or other sources of ignition.

  • Page 50: Filling Oil For Manual Starter Model

    Do not add gasoline into the oil tank. Fire or explosion could result. or explosion could result. This engine uses the Yamaha oil injection This engine uses the Yamaha oil injection system, which provides superior lubrication system, which provides superior lubrication...
  • Page 51 Operation ZMU03370 Slowly pour the engine oil into the en- gine oil tank. ZMU03371 1. Oil filler access cap 2. Oil tank filler cap After filling, replace the all caps secure-...

  • Page 52: Oil Level Indicator Operation

    Operation EMU27321 Oil level indicator operation The various functions of the oil level system are as follows: EMU27342 Manual start models Oil level-alert indicator Engine oil tank Remarks more than 200 cm No refilling necessary. (0.21 US qt, 0.181 Imp qt) ●...

  • Page 53: Operating Engine

    Operation Oil level-alert Oil level-alert indicator indicator (analog Engine oil tank Remarks (digital tachometer/ tachometer) bottom cowling) ● Buzzer sounds in remote control box and engine speed is 200 cm limited to about 2000 (0.21 US qt, r/min to help con- 0.18 Imp qt) or serve oil.

  • Page 54: Starting Engine

    Operation could result in a runaway boat if opera- tor is ejected. Attach the engine shut- off cord to a secure place on your cloth- ing, or your arm or leg while operating. Do not attach the cord to clothing that could tear loose.
  • Page 55 Operation warmed up. For further information, see page 52. If the engine is warm and fails to start, ● open the throttle slightly and try to start the engine again. If the engine still fails to start, see page 81. Slowly return the throttle grip to the fully closed position.
  • Page 56 Operation 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. Then install the clip on the other end of the cord into the engine shut-off switch.
  • Page 57 Operation off cord to a secure place on your cloth- ing, or your arm or leg while operating. Do not attach the cord to clothing that could tear loose. Do not route the cord where it could become entangled, pre- venting it from functioning.

  • Page 58: Checks After Starting Engine

    EMU34530 blocked. Consult your Yamaha dealer if Shifting the problem cannot be located and cor- EWM00180 rected.
  • Page 59 Operation To shift out of neutral Pull the neutral interlock trigger up (if equipped). 1. Neutral interlock trigger Move the remote control lever / gear shift lever firmly and crisply forward (for forward gear) or backward (for reverse gear) [about 35° (a detent can felt) for re- mote control models].

  • Page 60: Stopping Boat

    Operation pact the steering wheel or other parts of the boat. This could increase the risk of serious injury. It could also damage the shift mechanism. Do not shift into reverse while traveling ● at planing speeds. Loss of control, boat swamping, or damage to the boat could occur.

  • Page 61: Trimming Outboard Motor

    Operation gine shut-off switch, then turning the main switch to “ ” (off). EMU27862 Trimming outboard motor EWM00740 WARNING Excessive trim for the operating condi- tions (either trim up or trim down) can cause boat instability and can make steering the boat more difficult. This in- creases the possibility of an accident.

  • Page 62: Adjusting Trim Angle For Manual Tilt Models

    Operation ZMU03402 1. Trim rod Reposition the rod in the desired hole. To raise the bow (“trim-out”), move the rod away from the transom. To lower the bow (“trim-in”), move the rod to- ward the transom. Make test runs with the trim set to different ZMU03109 angles to find the position that works best for your boat and operating conditions.

  • Page 63: Adjusting Boat Trim

    Operation board motor when adjusting the trim angle. Body parts can be crushed be- tween the motor and the clamp bracket when the motor is trimmed or tilted. Use caution when trying a trim position ● for the first time. Increase speed gradu- ally and watch for any signs of instabil- ity or control problems.

  • Page 64: Tilting Up And Down

    Operation Bow Up motor trim angle may have little effect on the Too much trim-out puts the bow of the boat trim of the boat when operating. too high in the water. Performance and econ- EMU27934 Tilting up and down omy are decreased because the hull of the boat is pushing the water and there is more If the engine will be stopped for some time or...

  • Page 65: Procedure For Tilting Up (Manual Tilt Models)

    Operation EMU32641 Procedure for tilting up (manual tilt models) Place the gear shift lever in neutral. ZMU03358 EMU32723 Procedure for tilting up (power trim and tilt models) Place the remote control lever / gear Place the tilt lock lever in the release po- shift lever in neutral.

  • Page 66: Procedure For Tilting Down (Manual Tilt Models)

    Operation tor could shake loose from the tilt support and fall. If the motor cannot be trailered in the normal running po- sition, use an additional support de- vice to secure it in the tilt position. For more detailed information, see page 64.

  • Page 67: Procedure For Tilting Down (Power Trim And Tilt Models)

    Operation Hold the rear of the top cowling with one hand, tilt the outboard motor up slightly and pull out the tilt support knob or re- turn the tilt support lever. ZMU02569 Push the power trim and tilt switch “ ”...

  • Page 68: Shallow Water

    Operation EMU28061 Slightly tilt the outboard motor up to the Shallow water desired position using the power trim EMU32851 and tilt switch. WARNING! Using the Power trim and tilt models power trim and tilt switch on the bot- The outboard motor can be tilted up partially tom cowling while the boat is moving to allow operation in shallow water.

  • Page 69: 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 13) 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 70: Maintenance

    ● then trailer the outboard motor in the tilt po- ventilated place, not in direct sunlight. sition using a motor support device such as a transom saver bar. Consult your Yamaha dealer for further details. EMU28235 Clamp screw mounting models...

  • Page 71: Procedure

    Maintenance EMU28303 Cooling system flushing is essential to Procedure prevent the cooling system from clog- EMU28334 ging up with salt, sand, or dirt. In addi- Flushing in a test tank tion, fogging/lubricating of the engine is ECM00300 mandatory to prevent excessive engine NOTICE damage due to rust.

  • Page 72: Lubrication (Oil Injection Models)

    Seal replacement should be per- to perform a maintenance procedure, formed by an authorized Yamaha dealer have a Yamaha dealer or other qualified prior to use. mechanic do the work. Grease all grease fittings. For further de- The procedures involve disassembling tails, see page 71.

  • Page 73: Replacement Parts

    Yamaha marine dealership. EMU28511 Replacement parts If replacement parts are necessary, use only genuine Yamaha parts or parts of equivalent design and quality. Any part of inferior quality may malfunction, and the resulting loss of control could endanger the operator and passengers.

  • Page 74: 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 75 Maintenance Initial Every 20 hours Item Actions hours (1 hours (3 hours (5 months) year) years) years) Fuel line(High pres- Inspection or replace- sure) ment as necessary Fuel line(Low pres- Inspection sure) Fuel line(Low pres- Inspection or replace- sure) ment as necessary Inspection or replace- Fuel pump ment as necessary...

  • Page 76: Maintenance Chart 2

    Inspection or replace- switch/choke switch ment as necessary Wire harness connec- Inspection or replace- tions/Wire coupler con- ment as necessary nections Inspection and clean- (Yamaha) Fuel tank ing as necessary EMU34451 Maintenance chart 2 Every Item Actions 1000 hours Guide exhaust/exhaust...

  • Page 77: Greasing

    Maintenance EMU28941 Greasing Yamaha grease A (water resistant grease) Yamaha grease D (corrosion resistant grease; for propeller shaft) 40VWHTO, 50HWHTO, 50HMHO ZMU03415...

  • Page 78: Cleaning And Adjusting Spark Plug

    Remove the spark plug. If electrode ero- Instead, take the outboard motor to a sion becomes excessive, or if carbon Yamaha dealer. You should periodically re- and other deposits are excessive, you...

  • Page 79: Checking Fuel Filter

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

  • Page 80: Checking Water In Engine Oil Tank

    If you have difficulty ver- Check that each grounding wire is properly ● ifying the idle speed, or the idle speed re- secured. quires adjustment, consult a Yamaha dealer Check that each connector is engaged se- ● or other qualified mechanic. curely.

  • Page 81: Removing Propeller

    Be sure to use a new cotter pin and bend the ends over securely. Otherwise the Check the propeller shaft oil seal for dam- ● propeller could come off during opera- age. tion and be lost. Apply Yamaha marine grease or a cor- rosion resistant grease to the propeller...

  • Page 82: Changing Gear Oil

    Insert a new cotter pin in the can indicate lower unit problem. Con- hole and bend the cotter pin ends. sult your Yamaha dealer. NOTICE: Do not reuse the cotter pin [ECM01900] installed. Otherwise the propeller can come off during operation.

  • Page 83: Cleaning Fuel Tank

    Cleaning fuel tank water is getting into the gear case EWM00920 which can cause gear damage. Con- WARNING sult a Yamaha dealer for repair of the Gasoline is highly flammable, and its va- lower unit seals. [ECM00711] pors are flammable and explosive.

  • Page 84: Inspecting And Replacing Anode(S)

    EMU29312 Inspecting and replacing anode(s) Yamaha outboard motors are protected from corrosion by sacrificial anodes. Inspect the ZMU03135 external anodes periodically. Remove scales from the surfaces of the anodes. Consult a Yamaha dealer for replacement of external anodes.

  • Page 85: Connecting The Battery

    If the battery needs charg- The electrical contacts of the battery and ing, consult your Yamaha dealer. cables must be clean and properly con- Check the battery connections. They nected, or the battery will not start the should be clean, secure, and covered by engine.
  • Page 86 Maintenance tions.

  • Page 87: 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 88 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 89 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 90: Temporary Action In Emergency

    EWM00631 Q. Is steering pivot loose or damaged? WARNING A. Tighten or have serviced by a Yamaha Substituting an incorrect fuse or a piece dealer. of wire could allow excessive current EMU29433 flow.

  • Page 91: Power Trim And Tilt Will Not Operate

    3. Spare fuse (20 A) gear protection device does not oper- ate. Make sure the remote control lever Consult your Yamaha dealer if the new fuse is in neutral. Otherwise the boat could immediately blows again. unexpectedly start to move, which...

  • Page 92: Emergency Starting Engine

    Trouble Recovery wheel or other moving parts when the equipped. engine is running. Do not install the starter mechanism or top cowling after the engine is running. Do not touch the ignition coil, spark ● plug wire, spark plug cap, or other elec- trical components when starting or op- erating the motor.

  • Page 93: Engine Fails To Operate

    Trouble Recovery OPEN CLOSE ZMU03429 ZMU03141 Squeeze the primer pump two or three TIP: times to feed fuel. When the engine does not start with this pro- cedure, see page 87. EMU29671 Engine fails to operate EMU29706 Cold engine fails to start If the engine fails to start when it is cold, use the following procedure.

  • Page 94: Treatment Of Submerged Motor

    If the outboard motor is submerged, immedi- ously for more than 5 seconds, the ately take it to a Yamaha dealer. Otherwise battery will be quickly discharged, some corrosion may begin almost immedi- thus making it impossible to start the ately.
  • Page 96 YAMAHA MOTOR CO., LTD. Printed in Japan April 2008–0.2 × 1 ! Printed on recycled paper...

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