Yamaha F150A Owner's Manual

Other manuals for F150A: Service Manual, Service Manual
Manual is about: Outboard Engine

Summary of F150A

  • Page 1

    Read this manual carefully before operating this outboard motor. Owner’s manual f150a fl150a f150b fl150b 63p-28199-2a-e0 u63p2ae0.Book page 1 monday, march 1, 2010 1:49 pm.

  • Page 2

    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. U63p2ae0.Book page 1 monday, march 1, 2010 1:49 pm.

  • Page 3

    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 obtain maximum enjoyment from your n...

  • 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 fuel level-alert indicator ................... 30 low battery voltage-alert indicator ... 30 fuel management meter ............... 30 fuel flow meter................................. 30 fuel consumption meter / fuel economy meter / twin engine speed synchronizer.......................

  • Page 6: Table Of Contents

    Table of contents maintenance chart 1......................... 63 maintenance chart 2......................... 65 greasing........................................... 66 cleaning and adjusting spark plug ... 67 inspecting idle speed........................ 67 changing engine oil.........................

  • 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 neu- tral, and sharp edges of the propeller can cut even ...

  • Page 8: Safety Information

    Safety information 2 if any gasoline spills onto your skin, immedi- ately wash with soap and water. Change clothing if gasoline spills on it. If you swallow gasoline, inhale a lot of gaso- line vapor, or get gasoline in your eyes, get immediate medical attention. Never siphon fuel by mouth. Emu33900...

  • Page 9: Safety Information

    Safety information 3 operate defensively at safe speeds and keep a safe distance away from people, objects, and other boats. ● do not follow directly behind other boats or waterskiers. ● avoid sharp turns or other maneuvers that make it hard for others to avoid you or un- derstand where you are goin...

  • Page 10: General Information

    General information 4 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 cer- tain portion(s) of the australian radio com- munications act. 1. C-tick label location zmu06040 zmu01697 u63p2ae0.Book page 5 monday, march 1, 2010 1:49 pm.

  • 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 emu34651 contents of labels the above warning labels mean as follows. 1 warning ewm01681 ● keep hands, hair, and clothing away from rotating parts while the engine is running. ● do not touch or remove electrical parts when starting or during operation. 2 warning ewm01671 ● read...

  • 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 and requirements 9 emu34520 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

    Specifications and requirements 10 min. Cold cranking amps (cca/en): 711.0 a min. Rated capacity (20hr/iec): 100.0 ah maximum generator output: 36 a drive unit: gear positions: forward-neutral-reverse gear ratio: 2.00(28/14) trim and tilt system: power trim and tilt propeller mark: f150aet m f150bet...

  • Page 17

    Specifications and requirements 11 emu33571 mounting motor warning ewm01570 ● improper mounting of the outboard mo- tor could result in hazardous conditions such as poor handling, loss of control, or fire hazards. ● because the motor is very heavy, spe- cial equipment and training is required to mou...

  • Page 18

    Specifications and requirements 12 maximum load but remember that you may need to reduce your throttle setting to stay within the recommended engine speed range when carrying lighter loads. To check the propeller, see page 70. Emu36310 counter rotation models standard outboard motors rotate clockwis...

  • Page 19

    Specifications and requirements 13 emu36360 fuel requirements emu37731 gasoline f150a, fl150a use a good quality gasoline that meets the minimum octane rating. If knocking or pinging occurs, use a different brand of gasoline or premium unleaded fuel. Yamaha recom- mends that you use alcohol-free (se...

  • Page 20

    Specifications and requirements 14 emu36330 anti-fouling paint a clean hull improves boat performance. The boat bottom should be kept as clean of marine growth as possible. If necessary, the boat bot- tom can be coated with an anti-fouling paint approved for your area to inhibit marine growth. Do no...

  • Page 21

    Specifications and requirements 15 1. Manufactured date label location u63p2ae0.Book page 15 monday, march 1, 2010 1:49 pm.

  • Page 22: Components

    Components 16 emu2579u components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all models (order from dealer). F150a, fl150a, f150b, fl150b zmu06264 11 10 9 2 1. Top cowling 2. Cowling lock lever(s) 3. Anti-cavitation plate 4. Trim tab (anode) 5. Prop...

  • Page 23: Components

    Components 17 f150a, fl150a zmu06269 1 3 2 4 6 5 6 5 1. Remote control box (binnacle mount type)* 2. Switch panel (for use with binnacle type)* 3. Remote control box (binnacle mount type)* 4. Switch panel (for use with binnacle type)* 5. Clip 6. Engine shut-off switch u63p2ae0.Book page 17 monday, m...

  • Page 24: Components

    Components 18 f150b, fl150b zmu06270 1 3 2 4 5 6 7 9 8 9 8 1. Remote control box (binnacle mount type)* 2. Switch panel (for use with binnacle type)* 3. Remote control box (binnacle mount type)* 4. Switch panel (for use with binnacle type)* 5. Digital speedometer* 6. Digital tachometer* 7. Fuel mana...

  • Page 25: Components

    Components 19 emu26181 remote control box the remote control lever actuates both the shifter and the throttle. The electrical switches are mounted on the remote control box. 1 3 4 2 zmu05485 1. Tachometer unit (square type)* 2. Speedometer unit (square type)* 3. Speed & fuel meter unit (square type)...

  • Page 26: Components

    Components 20 emu26190 remote control lever moving the lever forward from the neutral po- sition engages forward gear. Pulling the lever back from neutral engages reverse. The en- gine will continue to run at idle until the lever is moved about 35° (a detent can be felt). Moving the lever farther op...

  • Page 27: Components

    Components 21 matically to its set position. The remote con- trol will then engage forward and reverse normally. Emu25976 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...

  • Page 28: Components

    Components 22 emu26091 main switch the main switch controls the ignition system; 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) position, the ...

  • Page 29: Components

    Components 23 the switch “ ” (down) tilts the outboard motor down and trims it down. When the switch is re- leased, the outboard motor will stop in its cur- rent position. For instructions on using the power trim and tilt switch, see pages 52 and 54. Emu26154 power trim and tilt switch on bottom cow...

  • Page 30: Components

    Components 24 emu26244 trim tab with anode warning ewm00840 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. The tr...

  • Page 31: Components

    Components 25 notice ecm00660 do not use the tilt support lever or knob when trailering the boat. The outboard mo- tor could shake loose from the tilt support and fall. If the motor cannot be trailered in the normal running position, use an addi- tional support device to secure it in the tilt positi...

  • Page 32: Components

    Components 26 activation of alert device ● the water separator-alert indicator of 6y8 multifunction tachometer will blink. ● the buzzer will sound intermittently only when the gear shift is in neutral. ● if the alert system has activated, stop the engine and consult a yamaha dealer imme- diately. U6...

  • Page 33: Instruments and Indicators

    Instruments and indicators 27 emu31414 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. Tip: the water separator-alert indicator and ...

  • Page 34: Instruments And Indicators

    Instruments and indicators 28 emu26524 low oil pressure-alert indicator if oil pressure drops too low, the alert indicator will start to blink. For further information, see page 38. Notice ecm00022 ● do not continue to run the engine if the low oil pressure-alert indicator is on and the engine oil l...

  • Page 35: Instruments and Indicators

    Instruments and indicators 29 emu26713 fuel gauge eight segments indicate the fuel level. When 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. Oper- ation with bow-...

  • Page 36: Instruments And Indicators

    Instruments and indicators 30 the clock operates on battery power. Discon- necting the battery will stop the clock. Reset the clock after connecting the battery. Emu36080 voltmeter the voltmeter displays the charge of the bat- tery in volts(v). Emu26721 fuel level-alert indicator if the fuel level d...

  • Page 37: Instruments and Indicators

    Instruments and indicators 31 ● the fuel flow meter displays gallons/hour or liters/hour according to operator prefer- ence. Select the desired units of measure- ment by setting the selector switch on the back of the gauge during installation. ● the fuel consumption meter and fuel econ- omy meter wi...

  • Page 38: Instruments And Indicators

    Instruments and indicators 32 if twin engines are installed on your boat, the gauge will only display the total fuel economy of both engines. ● fuel consumption varies greatly with boat design, weight, propeller used, engine trim angle, sea conditions (including wind), and throttle position. Fuel co...

  • Page 39: Instruments and Indicators

    Instruments and indicators 33 emu26793 water separator-alert indicator this indicator will blink when water has accu- mulated in the water separator. In such an event, stop the engine and drain the water from the separator. This indicator only operates when a water separator sensor is equipped. Emu3...

  • Page 40: Instruments And Indicators

    Instruments and indicators 34 emu36110 start-up checks place the remote control lever in neutral and turn the main switch to “ ” (on). After all the displays come on and the total hour display comes on, the gauge will change to normal operation. If the buzzer sounds and the water separator-alert ind...

  • Page 41: Instruments and Indicators

    Instruments and indicators 35 notice ecm00910 gasoline mixed with water could cause damage to the engine. Emu36160 engine trouble alert this indicator will blink if the engine malfunc- tions while cruising. Get back to the port soon and consult a yamaha dealer immediately. Notice ecm00920 in such an...

  • Page 42: Instruments And Indicators

    Instruments and indicators 36 emu36241 6y8 multifunction speedome- ters the speedometer unit shows the boat speed and has functions of fuel meter and system voltage display. The chosen display is select- ed by using the “ ” (set) and “ ” (mode) buttons as described in this section. In addi- tion, th...

  • Page 43: Instruments and Indicators

    Instruments and indicators 37 buttons as described in this section. For more information, see the operation manual origi- nally 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 opera- tion. F...

  • Page 44: Engine Control System

    Engine control system 38 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 lo- cated and corrected. Emu26827 overheat alert this engine has the overheat alert device. If the engine temperat...

  • Page 45: Engine Control System

    Engine control system 39 ● the engine speed will automatically de- crease to about 2000 r/min. The low oil pressure-alert indicator will light or blink. ● the buzzer will sound. 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 ne...

  • Page 46: Installation

    Installation 40 emu26902 installation the information presented in this section is in- tended as reference only. It is not possible to provide complete instructions for every possi- ble boat and motor combination. Proper mounting depends in part on experience and the specific boat and motor combinat...

  • Page 47: Installation

    Installation 41 height. Consult your yamaha dealer or boat manufacturer for further information on deter- mining the proper mounting height. 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. ●...

  • Page 48: Operation

    Operation 42 emu36381 first-time operation emu36391 fill engine oil the engine is shipped from the factory without engine oil. If your dealer did not fill the oil, you must fill it before starting the engine. Notice: check that the engine is filled with oil be- fore first-time operation to avoid sev...

  • Page 49: Operation

    Operation 43 a trailer or in the water, turn the key to “ ” (on) and check the fuel level. For fuel filling in- structions, see page 47. Emu36431 remove cowling for the following checks, remove the top cowling from the engine. To remove the en- gine cowling, release all the lock levers and lift off ...

  • Page 50: Operation

    Operation 44 emu36483 engine shut-off cord (lanyard) inspect the engine shut-off cord and clip for damage, such as cuts, breaks, and wear. Emu37052 engine oil 1. Put the outboard motor in an upright po- sition (not tilted). Notice: if the motor is not level, the oil level indicated on the dipstick m...

  • Page 51: Operation

    Operation 45 emu27153 engine ● check the engine and engine mounting. ● look for loose or damaged fasteners. ● check the propeller for damage. ● check for engine oil leaks. Emu36492 flushing device check that the flushing device’s garden hose connector is securely screwed on to the fitting on the bot...

  • Page 52: Operation

    Operation 46 emu29158 checking power trim and tilt system warning ewm01930 ● never get under the lower unit while it is tilted, even when the tilt support lever is locked. Severe injury could occur if the outboard motor accidentally falls. ● body parts can be crushed between the motor and the clamp ...

  • Page 53: Operation

    Operation 47 refer to the battery manufacturer’s instruc- tions for checks for your particular battery. Emu30025 filling fuel warning ewm01830 ● gasoline and its vapors are highly flam- mable and explosive. Always refuel ac- cording to this procedure to reduce the risk of fire and explosion. ● gasol...

  • Page 54: Operation

    Operation 48 emu27494 starting engine warning ewm01600 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. Emu27629 electric start and remote control models warning ewm01840 ● fai...

  • Page 55: Operation

    Operation 49 3. 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. The buzzer also operates if one of the engines stalls. 4. Turn the main switch to “ ” (start), and hold it for a maximum of 5...

  • Page 56: Operation

    Operation 50 emu36510 checks after starting engine emu36522 cooling water check for a steady flow of water from the cool- ing water pilot hole. A continuous flow of water from the pilot hole indicates that the water pump is pumping water through the cooling water passages. If the cooling water passa...

  • Page 57: Operation

    Operation 51 back to neutral. If this occurs, stop the en- gine, shift to neutral, then restart the en- gine and allow it to warm up. To shift out of neutral 1. Pull the neutral interlock trigger up (if equipped). 2. Move the remote control lever firmly and crisply forward (for forward gear) or rear...

  • Page 58: Operation

    Operation 52 2. After stopping the engine, disconnect the fuel line or close the fuel cock if there is a fuel joint or a fuel cock on the boat. 3. Tighten the air vent screw on the fuel tank cap (if equipped). 4. Remove the key if the boat will be left un- attended. Tip: the engine can also be stopp...

  • Page 59: Operation

    Operation 53 emu27885 adjusting trim angle (power trim and tilt) warning ewm00753 ● be sure all people are clear of the out- board motor when adjusting the trim an- gle. Body parts can be crushed between the motor and the clamp bracket when the motor is trimmed or tilted. ● use caution when trying a...

  • Page 60: Operation

    Operation 54 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. Excessive trim-out can also cause the propeller to ventilate, which reduces perfor- mance furthe...

  • Page 61: Operation

    Operation 55 notice ecm00241 ● before tilting the outboard motor, stop the engine by following the procedure on page 51. 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 tiller handle (if equipped) beca...

  • Page 62: Operation

    Operation 56 4. Models equipped with trim rods: once the outboard motor is supported with the tilt support lever, press the power trim and tilt switch “ ” (down) to retract the trim rods. Notice: make sure that the trim rods retracts completely during moor- ing. This protects the rods from ma- rine ...

  • Page 63: Operation

    Operation 57 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 motor up so that the cooling water inlet on the lower unit is above the surface of the water when set- t...

  • Page 64: Maintenance

    Maintenance 58 emu31844 transporting and storing out- board motor warning ewm02640 ● use care when transporting fuel tank, whether in a boat or car. ● do not fill fuel container to maximum capacity. Gasoline will expand consider- ably as it warms up and can build up pressure in the fuel container. T...

  • Page 65: Maintenance

    Maintenance 59 emu28305 procedure emu30872 flushing with the flushing attachment 1. Wash the outboard motor body using fresh water. Notice: do not spray wa- ter into the air intake. [ecm01840] for further information, see page 61. 2. Disconnect the fuel line from the motor or shut off the fuel cock,...

  • Page 66: Maintenance

    Maintenance 60 8. Drain the remained gasoline in the vapor separator with a container. Loosen the drain screw, and then remove the cap. Push in the air valve with a screwdriver to introduce air into the float chamber, so that the gasoline will drain smoothly. Then, tighten the drain screw. 9. Remove...

  • Page 67: Maintenance

    Maintenance 61 2. Screw the garden hose adapter onto a garden hose, which is connected to a fresh water supply, and then connect it to the garden hose connector. 3. With the engine off, turn on the water tap and let the water flush through the cool- ing passages for about 15 minutes. Turn off the wa...

  • Page 68: Maintenance

    Maintenance 62 perform a maintenance procedure, have a yamaha dealer or other qualified mechan- ic do the work. The procedures involve disassembling the motor and exposing dangerous parts. To reduce the risk of injury from moving, hot, or electrical parts: ● turn off the engine and keep the key(s) a...

  • Page 69: Maintenance

    Maintenance 63 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 70: Maintenance

    Maintenance 64 fuel line (high pres- sure) inspection 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 leak...

  • Page 71: Maintenance

    Maintenance 65 emu34451 maintenance chart 2 emu28910 tip: when using lead or high-sulfur gasoline, inspecting valve clearance may be required more fre- quently than every 500 hours. Main switch/stop switch/choke switch inspection or replace- ment as necessary wire harness connec- tions/wire coupler ...

  • Page 72: Maintenance

    Maintenance 66 emu28943 greasing yamaha grease a (water resistant grease) yamaha grease d (corrosion resistant grease; for propeller shaft) f150a, fl150a, f150b, fl150b u63p2ae0.Book page 66 monday, march 1, 2010 1:49 pm.

  • Page 73: Maintenance

    Maintenance 67 emu28957 cleaning and adjusting spark plug the spark plug is an important engine compo- nent and is easy to inspect. The condition of the spark plug can indicate something about the condition of the engine. For example, if the center electrode porcelain is very white, this could indic...

  • Page 74: Maintenance

    Maintenance 68 notice ecm00490 this procedure must be performed while the outboard motor is in the water. A flush- ing attachment or test tank can be used. If the boat is not equipped with a tachometer for the outboard motor, use a diagnostic ta- chometer for this procedure. Results may vary dependi...

  • Page 75: Maintenance

    Maintenance 69 7. Leave the outboard motor for 5-10 min- utes. 8. Remove oil dipstick and wipe it clean. 9. Insert the dipstick and remove it again. Be sure to completely insert the dipstick into the dipstick guide, otherwise the oil level measurement will be incorrect. 10. Recheck the oil level usi...

  • Page 76: Maintenance

    Maintenance 70 emu32112 checking propeller warning ewm01881 you could be seriously injured if the en- gine accidentally starts when you are near the propeller. Before inspecting, remov- ing, or installing the propeller, place the shift control in neutral, turn the main switch to “ ” (off) and remove...

  • Page 77: Maintenance

    Maintenance 71 3. Remove the propeller, washer (if equipped), and thrust washer. Emu30672 installing propeller emu29244 spline models warning ewm00770 on counter rotation models, be sure to use a propeller intended for counterclock- wise rotation. These propellers are identi- fied with the letter “l...

  • Page 78: Maintenance

    Maintenance 72 ● never get under the lower unit while it is tilted, even when the tilt support lever or knob is locked. Severe injury could oc- cur if the outboard motor accidentally falls. 1. Tilt the outboard motor so that the gear oil drain screw is at the lowest point possi- ble. 2. Place a suit...

  • Page 79: Maintenance

    Maintenance 73 7. Put a new gasket on the gear oil drain screw. Insert and tighten the gear oil drain screw. Emu29313 inspecting and replacing anode(s) yamaha outboard motors are protected from corrosion by sacrificial anodes. Inspect the external anodes periodically. Remove scales from the surfaces...

  • Page 80: Maintenance

    Maintenance 74 2. Check the battery’s charge. If your boat is equipped with the digital speedometer, the voltmeter and low battery alert func- tions will help you monitor the battery’s charge. If the battery needs charging, consult your yamaha dealer. 3. Check the battery connections. They should be...

  • Page 81: Maintenance

    Maintenance 75 single engine twin engines emu29371 disconnecting the battery 1. Turn off the battery cut-off switch (if equipped) and main switch. Notice: if they are left on, the electrical system can be damaged. [ecm01930] 2. Disconnect the negative cable(s) from the negative (-) terminal. Notice:...

  • Page 82: Maintenance

    Maintenance 76 3. Disconnect the positive cable(s) and re- move the battery from the boat. 4. Clean, maintain, and store the battery ac- cording to the manufacturer’s instruc- tions. U63p2ae0.Book page 76 monday, march 1, 2010 1:49 pm.

  • Page 83: Trouble Recovery

    Trouble recovery 77 emu29427 troubleshooting a problem in the fuel, compression, or ignition systems can cause poor starting, loss of pow- er, or other problems. This section describes basic checks and possible remedies, and cov- ers all yamaha outboard motors. Therefore some items may not apply to ...

  • Page 84: Trouble Recovery

    Trouble recovery 78 a. Check for pinched or kinked fuel line or oth- er 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 serviced by a yamaha dealer. Q. Ha...

  • Page 85: Trouble Recovery

    Trouble recovery 79 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 86: Trouble Recovery

    Trouble recovery 80 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 properly to shift lever position? A. H...

  • Page 87: Trouble Recovery

    Trouble recovery 81 tip: when you are maneuvering at low speed, such as near a dock, it is recommended that both engines be running with one in neutral gear if possible. Emu29473 replacing fuse if a fuse has blown, remove the electrical cov- er, open the fuse holder and remove the fuse with a fuse p...

  • Page 88: Trouble Recovery

    Trouble recovery 82 2. Put the engine in the desired position, then tighten the manual valve screw by turning it clockwise. Emu37590 water separator-alert indicator blinks while cruising warning ewm01500 gasoline is highly flammable, and its va- pors are flammable and explosive. ● do not perform thi...

  • Page 89: Trouble Recovery

    Trouble recovery 83 4. Unscrew the filter cup from the filter hous- ing. Notice: be careful not to twist the water detection switch lead when un- screwing the filter cup. [ecm01960] 5. Drain the water in the filter cup by soaking it up with a rag. 6. Firmly screw the filter cup onto the filter housi...

  • Page 90

    Yamaha motor co., ltd. Printed on recycled paper printed in japan march 2010–0.4 × 1 cr u63p2ae0.Book page 1 monday, march 1, 2010 1:49 pm.