- DL manuals
- Yamaha
- Outboard Motor
- 40V
- Owner's Manual
Yamaha 40V Owner's Manual
Summary of 40V
Page 1
Read this manual carefully before operating this outboard motor. Owner’s manual 40v 50h 63d-28199-26-e0 63d-9-26-1e0.Book 1 ページ ２０１０年３月１７日 水曜日 午前１１時４８分.
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. 63d-9-26-1e0.Book 1 ページ ２０１０年３月１７日 水曜日 午前１１時４８分.
Page 3: Important Manual Information
Important manual information emu25107 to the owner thank you for selecting a yamaha outboard motor. This owner’s manual contains infor- mation needed for proper operation, mainte- nance and care. A thorough understanding of these simple instructions will help you ob- tain maximum enjoyment from your...
Page 4: Table of Contents
Table of contents safety information............................. 1 outboard motor safety ..................... 1 propeller............................................ 1 rotating parts.................................... 1 hot parts ........................................... 1 electric shock..........
Page 5: Table of Contents
Table of contents model ............................................ 25 cowling lock lever(s) (turn type)...... 25 alert indicator .................................. 26 instruments and indicators ............ 27 indicators........................................ 27 overheat-alert indicator ............
Page 6: Table of Contents
Table of contents shallow water................................. 63 power trim and tilt models............... 63 cruising in other conditions............ 64 maintenance..................................... 65 transporting and storing outboard motor ............................................ 65 cla...
Page 7: Safety Information
1 safety information emu33622 outboard motor safety observe these precautions at all times. Emu36501 propeller people can be injured or killed if they come in contact with the propeller. The propeller can keep moving even when the motor is in neutral, and sharp edges of the propeller can cut even wh...
Page 8: Safety Information
Safety information 2 emu33820 gasoline exposure and spills take care not to spill gasoline. If gasoline spills, wipe it up immediately with dry rags. Dispose of rags properly. If any gasoline spills onto your skin, immedi- ately wash with soap and water. Change clothing if gasoline spills on it. If ...
Page 9: Safety Information
Safety information 3 swamping. Emu33772 avoid collisions scan constantly for people, objects, and oth- er boats. Be alert for conditions that limit your visibility or block your vision of others. Operate defensively at safe speeds and keep a safe distance away from people, ob- jects, and other boats...
Page 10: General Information
4 general information emu25171 identification numbers record emu25183 outboard motor serial number the outboard motor serial number is stamped on the label attached to the port side of the clamp bracket. Record your outboard motor serial number in the spaces provided to assist you in ordering spare ...
Page 11: General Information
General information 5 emu25213 c-tick label engines affixed with this label conform to certain portion(s) of the australian radio communications act. 1. Ce marking location 1. C-tick label location 1 zmu04889 zmu06040 1 zmu06138 zmu01697 63d-9-26-1e0.Book 5 ページ ２０１０年３月１７日 水曜日 午前１１時４８分.
Page 12: General Information
General information 6 emu33522 read manuals and labels before operating or working on this outboard motor: ● read this manual. ● 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. Emu33832...
Page 13: General Information
General information 7 emu33912 contents of labels the above warning labels mean as follows. 1 warning ewm01691 emergency starting does not have start- in-gear protection. Ensure shift control is in neutral before starting engine. 2 warning ewm01681 ● keep hands, hair, and clothing away from rotating...
Page 14: General Information
General information 8 emu33843 symbols the following symbols mean as follows. Notice/warning read owner’s manual hazard caused by continuous rotation electrical hazard remote control lever/gear shift lever operat- ing direction, dual direction engine start/ engine cranking zmu05696 zmu05664 zmu05665...
Page 15: Specifications
9 specifications and requirements emu31480 specifications tip: “(al)” stated in the specification data below represents the numerical value for the alumi- num propeller installed. Likewise, “(sus)” represents the value for stainless steel propeller installed and “(pl)” for plastic propeller installe...
Page 16: Installation Requirements
Specifications and requirements 10 40veto electric starter 40vwhto manual starter and elec- tric starter 50heto electric starter 50hmho manual starter 50hwhto manual starter and elec- tric starter starting carburetion system: 40veto prime start 40vwhto prime start 50heto prime start 50hmho choke val...
Page 17: Remote Control Requirements
Specifications and requirements 11 emu33571 mounting motor warning ewm01570 ● improper mounting of the outboard mo- tor could result in hazardous condi- tions such as poor handling, loss of control, or fire hazards. ● because the motor is very heavy, spe- cial equipment and training is required to m...
Page 18: Propeller Selection
Specifications and requirements 12 without a rectifier or rectifier regulator, in- stall an optional rectifier regulator. Using a maintenance-free battery with the above models can shorten the life of the bat- tery significantly. Install an optional rectifier regulator or use accessories rated to wi...
Page 19: Engine Oil Requirements
Specifications and requirements 13 emu25651 engine oil requirements if the recommended engine oil is not avail- able, another 2-stroke engine oil with an nmma-certified tc-w3 rating may be used. Emu36360 fuel requirements emu36771 gasoline use a good quality gasoline that meets the minimum octane ra...
Page 20: Emergency Equipment
Specifications and requirements 14 emu36352 emergency equipment keep the following items onboard in case there is trouble with the outboard motor. ● a tool kit with assorted screwdrivers, pli- ers, wrenches (including metric sizes), and electrical tape. ● waterproof flashlight with extra batteries. ...
Page 21: Components
15 components emu2579v components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). 50hmho 1 2 3 4 5 6 21 7 8 9 10 11 12 13 14 22 23 zmu06162 15 16 17 18 19 20 trip time batt km/h knot mph km mile speed yamaha set mode 1. ...
Page 22: Components
Components 16 40vwhto, 50hwhto 6 7 8 9 10 11 12 13 14 15 16 17 19 18 2 3 4 5 1 trip time batt km/h knot mph km mile speed yamaha set 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. A...
Page 23: Components
Components 17 40veto, 50heto emu25802 fuel tank if your model was equipped with a portable fuel tank, its function is as follows. Warning ewm00020 the fuel tank supplied with this engine is its dedicated fuel reservoir and must not be used as a fuel storage container. Com- mercial users should confo...
Page 24: Components
Components 18 emu25830 fuel joint this joint is used to connect the fuel line. Emu25841 fuel gauge this gauge is located on either the fuel tank cap or on the fuel joint base. It shows the ap- proximate amount of fuel remaining in the tank. Emu25850 fuel tank cap this cap seals the fuel tank. When r...
Page 25: Components
Components 19 emu26201 neutral interlock trigger to shift out of neutral, first pull the neutral in- terlock trigger up. Emu26212 neutral throttle lever to open the throttle without shifting into ei- ther forward or reverse, put the remote con- trol lever in the neutral position and lift the neutral...
Page 26: Components
Components 20 emu25961 throttle indicator the fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position. Choose the setting that offers the best performance and fuel economy for the desired operation. Emu25976 throttle friction adjuster a ...
Page 27: Components
Components 21 tangled, preventing it from functioning. Avoid accidentally pulling the cord dur- 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 fo...
Page 28: Components
Components 22 its operation is described below. ● “ ” (off) with the main switch in the “ ” (off) posi- tion, the electrical circuits are off, and the key can be removed. ● “ ” (on) with the main switch in the “ ” (on) posi- tion, the electrical circuits are on, and the key cannot be removed. ● “ ” ...
Page 29: Components
Components 23 to increase resistance, turn the adjuster clockwise. To decrease resistance, turn the adjuster counterclockwise. Warning ewm00040 do not overtighten the friction adjuster. If there is too much resistance, it could be difficult to steer, which could result in an accident. Emu26143 power...
Page 30: Components
Components 24 operator, increasing the risk of collision with another boat or an obstacle. Emu26244 trim tab with anode warning ewm00840 an improperly adjusted trim tab could cause difficult steering. Always test run after the trim tab has been installed or re- placed to be sure steering is correct....
Page 31: Components
Components 25 to lock it, set the tilt lock lever in the lock po- sition. To release, push the tilt lock lever in the release position. Emu26341 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. No...
Page 32: Components
Components 26 emu26303 alert indicator if the engine develops a condition which is cause for alert, the indicator lights up. For details on how to read the alert indicator, see page 33. 1. Cowling lock lever(s) 1. Alert indicator zmu02862 1 zmu03361 1 63d-9-26-1e0.Book 26 ページ ２０１０年３月１７日 水曜日 午前１１時４８分.
Page 33: Instruments and Indicators
27 instruments and indicators emu36014 indicators emu36033 overheat-alert indicator if the engine temperature rises too high, this indicator will light up. For further information on reading the indicator, see page 33. Notice ecm00052 do not continue to run the engine if the overheat-alert indicator...
Page 34: Instruments and Indicators
Instruments and indicators 28 emu36050 tachometer the tachometer displays engine speed in hundreds of revolutions per minute (r/min). For example, if the tachometer display reads “22” then the engine speed is 2200 r/min. Emu26621 trim meter this meter shows the trim angle of your out- board motor. ●...
Page 35: Instruments and Indicators
Instruments and indicators 29 emu26583 overheat-alert indicator if the engine temperature rises too high, the alert indicator will start to blink. For further in- formation on reading the indicator, see page 33. Notice ecm00052 do not continue to run the engine if the overheat-alert indicator is on....
Page 36: Instruments and Indicators
Instruments and indicators 30 all segments are showing, the fuel tank is full. The fuel level reading can be inaccurate due to the position of the sensor in the fuel tank and the attitude of the boat in the water. Op- eration with bow-up trim or continuous turn- ing can give false readings. Do not a...
Page 37: Instruments and Indicators
Instruments and indicators 31 emu36080 voltmeter the voltmeter displays the charge of the bat- tery in volts(v). Emu26721 fuel level-alert indicator if the fuel level decreases to one segment, the fuel level alert segment will blink. Do not continue to operate the engine with full throttle if an ale...
Page 38: Instruments and Indicators
Instruments and indicators 32 emu26591 analog speedometer this gauge shows the boat speed in km/h and mph. Emu26611 analog trim meter this gauge shows the trim angle of your out- board motor. Memorize the trim angles that work best for your boat under different conditions. Adjust the trim angle to t...
Page 39: Engine Control System
33 engine control system emu26803 alert system notice ecm00091 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. Emu2681c overheat alert this engine has an overheat-alert device. If the engine temperature...
Page 40: Engine Control System
Engine control system 34 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 to about...
Page 41: Engine Control System
Engine control system 35 1. Oil filter 1. Oil filter 1 zmu06661 1 zmu06662 63d-9-26-1e0.Book 35 ページ ２０１０年３月１７日 水曜日 午前１１時４８分.
Page 42: Installation
36 installation emu26902 installation the information presented in this section is intended as reference only. It is not possible to provide complete instructions for every possible boat and motor combination. Proper mounting depends in part on experience and the specific boat and motor combination....
Page 43: Installation
Installation 37 notice ecm01634 ● 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. ● incorrect engine height or obstructions to the smooth flow of water (such as the design or condition of the boat, or ac- ces...
Page 44: Installation
Installation 38 least the same quality of material and strength and must be tightened se- curely. After tightening, test run the engine and check their tightness. [ewm00651] 1. Bolts zmu03185 1 1 63d-9-26-1e0.Book 38 ページ ２０１０年３月１７日 水曜日 午前１１時４８分.
Page 45: Operation
39 operation emu36381 first-time operation emu27020 breaking in engine your new engine requires a period of break- in to allow mating surfaces of moving parts to wear in evenly. Correct break-in will help en- sure proper performance and longer engine life. Notice ecm00140 ● failure to follow the bre...
Page 46: Operation
Operation 40 notice ecm00120 do not start the engine out of water. Over- heating and serious engine damage can occur. Emu37141 fuel level be sure you have plenty of fuel for your trip. A good rule is to use 1/3 of your fuel to get to the destination, 1/3 to return, and to keep 1/3 as an emergency re...
Page 47: Operation
Operation 41 remote control models: ● turn the steering wheel full-right and full- left. Make sure operation is smooth and unrestricted throughout the whole range with no binding or excessive free play. ● operate the throttle levers several times to make sure there is no hesitation in their travel. ...
Page 48: Operation
Operation 42 should supply oil normally. If no oil is flowing after 10 minutes of idling, consult your yamaha dealer. Notice ecm00130 be sure to take the above steps when op- erating the engine after a long period of storage. Otherwise engine seizure could occur. Emu36954 install top cowling 1. Be s...
Page 49: Operation
Operation 43 2. Operate each of the power trim and tilt switches to check that all switches work. 3. Tilt the outboard motor up and check that the trim and tilt rod is pushed out completely. 4. Check that the trim and tilt rod is free of corrosion or other flaws. 5. Tilt the outboard motor down. Che...
Page 50: Operation
Operation 44 or other sources of ignition. 6. If you use a portable container to store and dispense fuel, use only an approved gasoline container. 7. Touch the fuel nozzle to the filler open- ing or funnel to help prevent electrostatic sparks. 8. Fill the fuel tank, but do not overfill. Warning! Do ...
Page 51: Operation
Operation 45 ments, see page 46. To fill the engine oil tank, proceed as follows: 1. Turn the oil filler access cap on the top cowling counterclockwise and open it. 2. Open the oil tank filler cap by pulling the tab on the cap. 3. Slowly pour the engine oil into the en- gine oil tank. 4. After filli...
Page 52: Operation
Operation 46 emu27321 oil level indicator operation the various functions of the oil level system are as follows: emu27342 manual start models electric start models oil level-alert indicator engine oil tank remarks off more than 200 cm 3 (0.21 us qt, 0.181 imp qt) no refilling necessary. On red 200 ...
Page 53: Operation
Operation 47 emu27452 operating engine warning ewm00420 ● before starting the engine, make sure that the boat is tightly moored and that you can steer clear of any obstructions. Be sure there are no swimmers in the water near you. ● when the air vent screw is loosened, gasoline vapor will be release...
Page 54: Operation
Operation 48 tip: wipe up any spilled gasoline immediately with dry rags. Dispose rags properly accord- ing to local laws or regulations. 3. If a steering friction adjuster is provided on your outboard motor, securely attach the fuel line to the fuel line clamp. 4. Squeeze the primer pump, with the ...
Page 55: Operation
Operation 49 end of the cord into the engine shut-off switch. 3. Place the throttle grip in the “ ” (start) position. 4. Pull out / turn the choke knob fully. After the engine starts, replace / return the knob to the home position. Tip: ● it is not necessary to use the choke when starting a warm eng...
Page 56: Operation
Operation 50 amount and try to start the engine again. If the engine still fails to start, see page 81. Emu27545 starting engine warning ewm01840 ● failure to attached engine shut-off cord could result in a runaway boat if opera- tor is ejected. Attach the engine shut- off cord to a secure place on ...
Page 57: Operation
Operation 51 tip: ● when the engine is cold, it needs to be warmed up. For further information, see page 54. ● 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. 6. Slowly return the throttle grip t...
Page 58: Operation
Operation 52 5. Immediately after the engine starts, re- lease the main switch and allow it to re- turn to “ ” (on). Notice: never turn the main switch to “ ” (start) while the engine is running. Do not keep the starter motor turning for more than 5 seconds. If the starter motor is turned continuous...
Page 59: Operation
Operation 53 3. Turn the main switch to “ ” (on). 4. Turn the main switch to “ ” (start), and hold it for a maximum of 5 seconds. 5. Immediately after the engine starts, re- lease the main switch and allow it to re- turn to “ ” (on). Notice: never turn the main switch to “ ” (start) while the engine...
Page 60: Operation
Operation 54 emu27670 warming up engine emu27683 choke start models after starting the engine, allow it to idle for 3 minutes to warm up. Failure to do so will shorten engine life. Gradually return the choke knob to its home position as the en- gine warms up. Emu27704 electric start and prime start ...
Page 61: Operation
Operation 55 to shift from in gear (forward/reverse) to neutral 1. Close the throttle so that the engine slows to idle speed. 2. After the engine is at idle speed in gear move the remote control lever / gear shift lever firmly and crisply into the neu- tral position. Emu31742 stopping boat warning e...
Page 62: Operation
Operation 56 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. The boat is not...
Page 63: Operation
Operation 57 4. Remove the key if the boat will be left un- attended. Tip: the engine can also be stopped by pulling the cord and removing the clip from the en- gine shut-off switch, then turning the main switch to “ ” (off). Emu27862 trimming outboard motor warning ewm00740 excessive trim for the o...
Page 64: Operation
Operation 58 3. 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 angles to find the position that works best for your boat and oper...
Page 65: Operation
Operation 59 to raise the bow (trim-out), press the switch “ ” (up). To lower the bow (trim-in), press the switch “ ” (down). Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions. Emu27912 adjusting boat trim when the boat i...
Page 66: Operation
Operation 60 motor trim angle may have little effect on the trim of the boat when operating. Emu27935 tilting up and down if the engine will be stopped for some time or if the boat is moored in shallows, the out- board motor should be tilted up to protect the propeller and lower casing from damage b...
Page 67: Operation
Operation 61 emu32724 procedure for tilting up (power trim and tilt models) 1. Place the remote control lever / gear shift lever in neutral. 2. Press the power trim and tilt switch “ ” (up) until the outboard motor has tilted up completely. 3. Pull the tilt support lever toward you to support the en...
Page 68: Operation
Operation 62 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 65. [ecm01641] 4. Models equipped with trim rods: once t...
Page 69: Operation
Operation 63 3. Push the power trim and tilt switch “ ” (down) to lower the outboard motor to the desired position. Emu28061 shallow water emu32851 power trim and tilt models the outboard motor can be tilted up partially to allow operation in shallow water. Notice ecm00260 do not tilt the outboard m...
Page 70: Operation
Operation 64 2. Slightly tilt the outboard motor up to the desired position using the power trim and tilt switch. Warning! Using the power trim and tilt switch on the bot- tom cowling while the boat is moving or engine is on could increase the risk of falling overboard and could distract the operato...
Page 71: Maintenance
65 maintenance emu2822a transporting and storing outboard motor warning ewm02620 ● use care when transporting fuel tank, whether in a boat or car. ● do not fill fuel container to maximum capacity. Gasoline will expand consid- erably as it warms up and can build up pressure in the fuel container. Thi...
Page 72: Maintenance
Maintenance 66 serviced by an authorized yamaha dealer prior to storage. However, you, the owner, with a minimum of tools, can perform the fol- lowing procedures. Notice ecm01411 ● do not place the outboard motor on its side before the cooling water has drained from it completely, otherwise water ma...
Page 73: Maintenance
Maintenance 67 stops. 11. Drain the cooling water completely out of the motor. Clean the body thoroughly. 12. If the “fogging oil” is not available, re- move the spark plug(s). Pour a tea- spoonful of clean engine oil into each cylinder. Crank several times manually. Replace the spark plug(s). 13. D...
Page 74: Maintenance
Maintenance 68 from the area under it or between it and the clamp bracket. Be sure no one is in this area before operating the power trim and tilt mechanism. ● allow the engine to cool before han- dling hot parts or fluids. ● always completely reassemble the mo- tor before operation. Maintenance, re...
Page 75: Maintenance
Maintenance 69 emu34446 maintenance chart 1 tip: ● refer to the sections in this chapter for explanations of each owner-specific action. ● the maintenance cycle on these charts assume usage of 100 hours per year and regular flushing of the cooling water passages. Maintenance frequency should be adju...
Page 76: Maintenance
Maintenance 70 fuel line (high pres- sure) inspection or replace- ment as necessary fuel line (low pres- sure) inspection fuel line (low pres- sure) inspection or replace- ment as necessary fuel pump inspection or replace- ment as necessary fuel/engine oil leakage inspection gear oil replacement gre...
Page 77: Maintenance
Maintenance 71 emu34451 maintenance chart 2 main switch/stop switch/choke switch inspection or replace- ment as necessary wire harness connec- tions/wire coupler con- nections inspection or replace- ment as necessary (yamaha) meter/gauge inspection fuel tank (yamaha por- table tank) inspection and c...
Page 78: Maintenance
Maintenance 72 emu28943 greasing yamaha grease a (water resistant grease) yamaha grease d (corrosion resistant grease; for propeller shaft) 40vwhto, 50hwhto, 50hmho zmu03415 63d-9-26-1e0.Book 72 ページ ２０１０年３月１７日 水曜日 午前１１時４８分.
Page 79: Maintenance
Maintenance 73 40veto, 50heto emu28957 cleaning and adjusting spark plug the spark plug is an important engine com- ponent and is easy to inspect. The condition of the spark plug can indicate something about the condition of the engine. For exam- ple, if the center electrode porcelain is very white,...
Page 80: Maintenance
Maintenance 74 allow external sparks, which could lead to explosion or fire. [ewm00561] 3. Be sure to use the specified spark plug, otherwise the engine may not operate properly. Before fitting the spark plug, measure the electrode gap with a wire thickness gauge; replace it if out of spec- ificatio...
Page 81: Maintenance
Maintenance 75 tank, or with the outboard motor in the water. 1. Start the engine and allow it to warm up fully in neutral until it is running smooth- ly. 2. Once the engine has warmed up, verify whether the idle speed is set to specifi- cation. For idle speed specifications, see page 9. If you have...
Page 82: Maintenance
Maintenance 76 checkpoints ● check each of the propeller blades for ero- sion from cavitation or ventilation, or other damage. ● check the propeller shaft for damage. ● check the splines for wear or damage. ● check for fish line tangled around the pro- peller shaft. ● check the propeller shaft oil s...
Page 83: Maintenance
Maintenance 77 4. Align the propeller nut with the propeller shaft hole. Insert a new cotter pin in the hole and bend the cotter pin ends. Notice: do not reuse the cotter pin. Otherwise, the propeller can come off during operation. [ecm01891] tip: if the propeller nut does not align with the propell...
Page 84: Maintenance
Maintenance 78 gear oil drain screw hole. 6. Put a new gasket on the oil level plug. When the oil begins to flow out of the oil level plug hole, insert and tighten the oil level plug. 7. Put a new gasket on the gear oil drain screw. Insert and tighten the gear oil drain screw. Emu29302 cleaning fuel...
Page 85: Maintenance
Maintenance 79 yamaha dealer for replacement of external anodes. Notice ecm00720 do not paint anodes, as this would render them ineffective. Tip: inspect ground leads attached to external anodes on equipped models. Consult a yamaha dealer for inspection and replace- ment of internal anodes attached ...
Page 86: Maintenance
Maintenance 80 ing, consult your yamaha dealer. 3. Check the battery connections. They should be clean, secure, and covered by an insulating cover. Warning! Bad connections can produce shorting or arcing and cause an explosion. [ewm01912] emu29334 connecting the battery warning ewm00572 mount the ba...
Page 87: Trouble Recovery
81 trouble recovery emu29427 troubleshooting a problem in the fuel, compression, or igni- tion systems can cause poor starting, loss of power, or other problems. This section de- scribes basic checks and possible remedies, and covers all yamaha outboard motors. Therefore some items may not apply to ...
Page 88: Trouble Recovery
Trouble recovery 82 q. Is fuel system obstructed? A. Check for pinched or kinked fuel line or other obstructions in fuel system. Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Have ignition parts failed? A. Have servic...
Page 89: Trouble Recovery
Trouble recovery 83 q. Is load on boat improperly distributed? A. Distribute load to place boat on an even plane. Q. Is water pump or thermostat faulty? A. Have serviced by a yamaha dealer. Q. Is there excess water in fuel filter cup? A. Drain filter cup. Engine power loss. Q. Is propeller damaged? ...
Page 90: Trouble Recovery
Trouble recovery 84 q. Is fuel joint connection incorrect? A. Connect correctly. Q. Is heat range of spark plug incorrect? A. Inspect spark plug and replace it with rec- ommended type. Q. Is high pressure fuel pump drive belt bro- ken? A. Have serviced by a yamaha dealer. Q. Is engine not responding...
Page 91: Trouble Recovery
Trouble recovery 85 consult your yamaha dealer if the new fuse immediately blows again. Emu29524 power trim and tilt will not operate if the engine cannot be tilted up or down with the power trim and tilt because of a dis- charged battery or a failure with the power trim and tilt unit, the engine ca...
Page 92: Trouble Recovery
Trouble recovery 86 wheel or other moving parts when the 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. You...
Page 93: Trouble Recovery
Trouble recovery 87 6. Insert the knotted end of the emergency starter rope into the notch in the flywheel rotor and wind the rope several turns around the flywheel clockwise. 7. Give a strong pull straight out to crank and start the engine. Repeat if neces- sary. Emu29671 engine fails to operate em...
Page 94: Trouble Recovery
Trouble recovery 88 5. Turn the main switch to “ ” (on). 6. Turn the main switch to “ ” (start). Notice: never turn the main switch to “ ” (start) while the engine is running. Do not keep the starter mo- tor turning for more than 5 seconds. If the starter motor is turned continu- ously for more than...
Page 95
63d-9-26-1e0.Book 89 ページ ２０１０年３月１７日 水曜日 午前１１時４８分.
Page 96
Yamaha motor co., ltd. Printed on recycled paper printed in japan april 2010–0.2 1 ! 63d-9-26-1e0.Book 1 ページ ２０１０年３月１７日 水曜日 午前１１時４８分.