- DL manuals
- Yamaha
- Outboard Motor
- F50F
- Owner's Manual
Yamaha F50F Owner's Manual
Summary of F50F
Page 1
Q q q q read this manual carefully before operating this outboard motor. Owner’s manual f50f f60c ft60d 6c1-28199-24-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
Important manual information emu25105 to the owner thank you for choosing 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 trim meter....................................... 28 hour meter ...................................... 28 low oil pressure-alert indicator ....... 28 overheat-alert indicator .................. 29 digital speedometer ...................... 29 speedometer ..............................
Page 6: Table of Contents
Table of contents motor............................................. 65 periodic maintenance.................... 66 replacement parts .......................... 66 severe operating conditions ........... 66 maintenance chart 1 ....................... 67 maintenance chart 2 ....................... 69...
Page 7: Safety Information
1 safety information emu33622 outboard motor safety observe these precautions at all times. Emu36500 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 dling and lead to an accident, capsizing or swamping. Emu33771 avoid collisions scan constantly for people, objects, and other 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 aw...
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 zmu01697.
Page 12: General Information
General information 6 emu33520 read manuals and labels before operating or working on this 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. Emu33831 warning ...
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 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 ft60det remote control starting system: electric starting carburetion system: electronic fuel injection valve clearance (cold engine) in: 0.15–0.25 mm (0.0059–0.0098 in) valve clearance (cold engine) ex: 0.25–0.35 mm (0.0098–0.0138 in) min. Cold cranking amps (cca/...
Page 17: Installation Requirements
Specifications and requirements 11 18.0 nm (1.84 kgf-m, 13.3 ft-lb) emu33553 installation requirements emu33563 boat horsepower rating warning ewm01560 overpowering a boat can cause severe instability. Before installing the outboard motor(s), con- firm that the total horsepower of your mo- tor(s) do...
Page 18: Start-In-Gear Protection
Specifications and requirements 12 lers for every yamaha outboard motor and every application. Your outboard motor came with a yamaha propeller chosen to perform well over a range of applications, but there may be uses where a different propeller would be more appropriate. Your yamaha dealer can hel...
Page 19: Engine Oil Requirements
Specifications and requirements 13 emu37471 engine oil requirements if the recommended engine oil grades are not available, select an alternative from the following chart according to the average temperatures in your area. Emu36360 fuel requirements emu36770 gasoline use a good quality gasoline that...
Page 20: Muddy Or Acidic Water
Specifications and requirements 14 methanol. Ethanol can be used if the ethanol content does not exceed 10% and the fuel meets the minimum octane ratings. All etha- nol blends containing more than 10% etha- nol can cause fuel system damage or cause engine starting and running problems. Yamaha does n...
Page 21: Components
15 components emu2579j components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all mod- els. F50f, f60c, ft60d 2 3 4 trip time batt km/h knot mph km mile speed yamaha set mode 13 14 1 9 11 6 7 5 10 8 12 15 18 16 17 19 20 21 22 zmu05107 1. Top cowling ...
Page 22: Components
Components 16 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 conform to relevant ...
Page 23: Components
Components 17 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 removed, the tank can be filled with fuel. To remove the cap, turn...
Page 24: Components
Components 18 emu26201 neutral interlock trigger to shift out of neutral, first pull the neutral in- terlock trigger up. Emu26211 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 25: Components
Components 19 used when the remote control lever is in the neutral position. ● after the button is pushed, the throttle be- gins to open after the remote control lever is moved at least 35°. ● after using the free accelerator, return the remote control lever to the neutral position. The free acceler...
Page 26: Components
Components 20 emu25973 throttle friction adjuster a friction device provides adjustable resis- tance to movement of the throttle grip or the remote control lever, and can be set accord- ing to operator preference. To increase resistance, turn the adjuster clockwise. Warning! Do not overtighten the f...
Page 27: Components
Components 21 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] emu26001 engine stop button to open the ignition circuit and sto...
Page 28: Components
Components 22 sition, the starter motor turns to start the en- gine. When the key is released, it returns automatically to the “ ” (on) position. Emu31432 steering friction adjuster a friction device provides adjustable resis- tance to the steering mechanism, and can be set according to operator pre...
Page 29: Components
Components 23 adjuster lever is set to the “a” position. ● check the tiller handle for smooth move- ment when the lever is turned to the star- board side “b”. ● do not apply lubricants such as grease to the friction areas of the steering friction ad- juster. Emu26143 power trim and tilt switch on re...
Page 30: Components
Components 24 emu30900 variable trolling rpm switches the trolling speed can be adjusted when the outboard motor is trolling. Press the “ ” switch to increase the trolling speed and press the “ ” switch to decrease the trolling speed. Tip: ● the trolling speed changes approximately 50 r/min each tim...
Page 31: Components
Components 25 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. Notice ecm00660 do not use the tilt support lever or knob when trailering the boat. The outboard motor could shake loose fro...
Page 32: Components
Components 26 emu35561 fuel filter/water separator this engine has a combination fuel filter/wa- ter separator and associated alert system. If water separated from the fuel exceeds a specific volume, the alert device of 6y8 mul- tifunction tachometer will activate. Activation of alert device ● the w...
Page 33: Instruments and Indicators
27 instruments and indicators emu36014 indicators emu36023 low oil pressure-alert indicator if oil pressure drops too low, this indicator will light up. For further information, see page 37. Notice ecm00022 ● do not continue to run the engine if the low oil pressure-alert indicator is on and the eng...
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 37. 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 by the position of the sensor in the fuel tank and the attitude of the boat in the water. Operation with bow-up trim or continuous turning can give false readings. Do not ad...
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 use the oil dipstick to check the re- maining oil quantity. For further infor- mation, see page 43. Emu26574 overheat-alert indicator if the engine temperature rises too high, this indicator will flash. For further information on reading the indicator, see page 37. Noti...
Page 39: Instruments and Indicators
Instruments and indicators 33 ter unit is available in round or square types. Check your tachometer unit type. Emu36190 start-up checks place the remote control lever / gear shift le- ver in neutral and turn the main switch to “ ” (on). After all the displays come on and the total hour display comes...
Page 40: Instruments and Indicators
Instruments and indicators 34 stop the engine immediately if the buzzer sounds and the overheat alert device has ac- tivated. Check the cooling water inlet for clogging. Notice ecm01592 ● do not continue to run the engine if the overheat-alert indicator blinks. Serious engine damage will occur. ● do...
Page 41: Instruments and Indicators
Instruments and indicators 35 port soon if the low battery voltage-alert de- vice has activated. For charging the battery, consult your yamaha dealer. Emu36240 6y8 multifunction speedometers the speedometer unit shows the boat speed and has functions of fuel meter and system voltage display. The cho...
Page 42: Instruments and Indicators
Instruments and indicators 36 ation. For more information, see the operation manual originally supplied with the meter. 1. Set button 2. Mode button 1. Fuel flow meter 2. Multifunction display 2 1 zmu05438 1 2 zmu05439.
Page 43: Engine Control System
37 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. Emu2681a overheat alert this engine has an overheat-alert device. If the engine temperature...
Page 44: Engine Control System
Engine control system 38 emu3016a low oil pressure alert if the oil pressure drops too low, the alert de- vice will activate. ● the engine speed will automatically de- crease to about 2000 r/min. If equipped with a low oil pressure-alert indicator, it will light or blink. ● the buzzer will sound (if...
Page 45: Installation
39 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. Prop- er mounting depends in part on experience and the specific boat and motor combinatio...
Page 46: Installation
Installation 40 notice ecm01630 ● during water testing, check the buoy- ancy of the boat, at rest, with its maxi- mum load. Check that the static water level on the exhaust housing is low enough to prevent water entry into the power head when water rises due to waves when the outboard is not run- ni...
Page 47: Operation
41 operation emu36380 first-time operation emu36390 fill engine oil the engine is shipped from the factory with- out engine oil. If your dealer did not fill the oil, you must fill it before starting the engine. No- tice: check that the engine is filled with oil before first-time operation to avoid s...
Page 48: Operation
Operation 42 heating and serious engine damage can occur. Emu36420 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 reserve. With the boat level on a trailer or in the water, tu...
Page 49: Operation
Operation 43 ● 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. Operation should be smo...
Page 50: Operation
Operation 44 5. 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. Emu27151 engine ● check the engine and engine mounting. ● look f...
Page 51: Operation
Operation 45 after installing, check the fitting of the top cowling by pushing it with both hands. If the top cowling is loose, have it repaired by your yamaha dealer. Emu34581 power trim and tilt system warning ewm01930 ● never get under the lower unit while it is tilted, even when the tilt support...
Page 52: Operation
Operation 46 care. Never siphon gasoline by mouth. If you should swallow some gasoline or inhale a lot of gasoline vapor, or get some gasoline in your eyes, see your doctor immediately. If gasoline spills on your skin, wash with soap and wa- ter. If gasoline spills on your clothing, change your clot...
Page 53: Operation
Operation 47 connect the fuel line to the joint. Then firmly connect the other end of the fuel line to the joint on the fuel tank. 3. Squeeze the primer pump, with the ar- row pointing up, until you feel it become firm. During engine operation place the tank horizontally, otherwise fuel cannot be dr...
Page 54: Operation
Operation 48 tip: the start-in-gear protection device prevents the engine from starting except when in neu- tral. 2. 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. 3. Place ...
Page 55: Operation
Operation 49 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. ● avoid accidentally pulling the cord dur- ing normal ope...
Page 56: Operation
Operation 50 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 57: Operation
Operation 51 rious engine damage could occur. Check the oil level and add oil if nec- essary. Consult your yamaha dealer if the cause for the low oil pressure- alert indicator cannot be found. [ecm01830] emu36530 checks after engine warm-up emu36540 shifting while tightly moored, and without applyin...
Page 58: Operation
Operation 52 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..
Page 59: Operation
Operation 53 emu31742 stopping boat warning ewm01510 ● do not use the reverse function to slow down or stop the boat as it could cause you to lose control, be ejected, or im- pact the steering wheel or other parts of the boat. This could increase the risk of serious injury. It could also damage the ...
Page 60: Operation
Operation 54 2. After stopping the engine, disconnect the fuel line if there is a fuel joint on the outboard motor. 3. Tighten the air vent screw on the fuel tank cap (if equipped). 4. Remove the key if the boat will be left unattended. Tip: the engine can also be stopped by pulling the cord and rem...
Page 61: Operation
Operation 55 the boat begins to feel unstable or is hard to steer, slow down and/or readjust the trim angle. The trim angle of the outboard motor helps determine the position of the bow of the boat in the water. Correct trim angle will help im- prove performance and fuel economy while reducing strai...
Page 62: Operation
Operation 56 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. Emu27911 adjusting boat trim when the boat i...
Page 63: Operation
Operation 57 tion difficult and dangerous. Tip: depending on the type of boat, the outboard motor trim angle may have little effect on the trim of the boat when operating. Emu27934 tilting up and down if the engine will be stopped for some time or if the boat is moored in shallows, the out- board mo...
Page 64: Operation
Operation 58 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 engine. Warning! After tilting the outboard motor, be sure to support it with the tilt support knob or tilt support lever. Otherwi...
Page 65: Operation
Operation 59 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: be sure to retract the trim rods completely during mooring. This protects the rods from marine growth an...
Page 66: Operation
Operation 60 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 67: Operation
Operation 61 3. To return the outboard motor to the nor- mal running position, press the power trim and tilt switch and slowly tilt the out- board motor down. Emu28194 cruising in other conditions cruising in salt water after operating in salt water, flush the cooling water passages with fresh water...
Page 68: Maintenance
62 maintenance emu28226 transporting and storing outboard motor warning ewm00692 ● 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 69: Maintenance
Maintenance 63 por separator for a prolonged period of time will break down and could cause damage to the fuel line. Emu28303 procedure emu29955 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 f...
Page 70: Maintenance
Maintenance 64 9. Remove the flushing attachment. 10. Install the top cowling. 11. If “fogging oil” is not available, turn off the engine after the 6 step. Then per- form the 8 step procedure. 12. Drain the cooling water completely out of the motor. Clean the body thoroughly. 13. If the “fogging oil...
Page 71: Maintenance
Maintenance 65 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 72: Maintenance
Maintenance 66 emu2847b periodic maintenance warning ewm01871 these procedures require mechanical skills, tools, and supplies. If you do not have the proper skills, tools, or supplies to perform a maintenance procedure, have a yamaha dealer or other qualified mechanic do the work. The procedures inv...
Page 73: Maintenance
Maintenance 67 emu34445 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 74: Maintenance
Maintenance 68 fuel filter (can be dis- assembled) inspection or replace- ment as necessary 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 necessar...
Page 75: Maintenance
Maintenance 69 emu34451 maintenance chart 2 water inlet inspection 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 (yamaha) fuel tank inspectio...
Page 76: Maintenance
Maintenance 70 emu28941 greasing yamaha grease a (water resistant grease) yamaha grease d (corrosion resistant grease; for propeller shaft) f50fet, f60cet, ft60det zmu05087.
Page 77: Maintenance
Maintenance 71 f50feht, f60ceht emu28955 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 whit...
Page 78: Maintenance
Maintenance 72 should replace the spark plug with an- other of the correct type. Warning! When removing or installing a spark plug, be careful not to damage the in- sulator. A damaged insulator could allow external sparks, which could lead to explosion or fire. [ewm00561] 3. Be sure to use the speci...
Page 79: Maintenance
Maintenance 73 tions, see page 9. Emu37481 changing engine oil notice ecm01710 change the engine oil after the first 20 hours of operation or 3 months, and ev- ery 100 hours or at 1-year intervals there- after. Otherwise the engine will wear quickly. The engine oil should be extracted with an oil ch...
Page 80: Maintenance
Maintenance 74 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 using the dipstick to be sure the level falls...
Page 81: Maintenance
Maintenance 75 tion, 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 seal for dam- age. Emu30661 removing propeller emu29197 spline models 1. Straighten the co...
Page 82: Maintenance
Maintenance 76 3. Install the spacer (if equipped) and the washer. Tighten the propeller nut to the specified torque. 4. Align the propeller nut with the propeller shaft hole. Insert a new cotter pin in the hole and bend the cotter pin ends. No- tice: do not reuse the cotter pin in- stalled. Otherwi...
Page 83: Maintenance
Maintenance 77 5. Put the outboard motor in a vertical po- sition. Using a flexible or pressurized fill- ing device, inject the gear oil into the 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 o...
Page 84: Maintenance
Maintenance 78 3. Remove the screws holding the fuel joint assembly. Pull the assembly out of the tank. 4. Clean the filter (located on the end of the suction pipe) in a suitable cleaning sol- vent. Allow the filter to dry. 5. Replace the gasket with a new one. Re- install the fuel joint assembly an...
Page 85: Maintenance
Maintenance 79 emu29322 checking battery (for electric start models) warning ewm01900 battery electrolytic fluid is poisonous and caustic, and batteries generate ex- plosive hydrogen gas. When working near the battery: ● wear protective eye gear and rubber gloves. ● do not smoke or bring any other s...
Page 86: Maintenance
Maintenance 80 ative (-) terminal. 3. 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 1. Turn off the battery cut-off switch (if equipped) and main switch. Notice: if they are left ...
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 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 can be tilted manually. 1. Loosen the manual valve screw by turn- ing ...
Page 92: Trouble Recovery
Trouble recovery 86 1. Stop the engine. 2. Remove the top cowling. 3. Remove the plastic tie. 4. Disconnect the water detection switch coupler. Notice: be careful not to get any water on the water detection switch coupler, otherwise a malfunc- tion could occur. [ecm01950] 5. Unscrew the filter cup f...
Page 93: Trouble Recovery
Trouble recovery 87 9. Fasten the water detection switch lead with the plastic tie. 10. Install the top cowling. 11. Start the engine and make sure that the water separator-alert indicator remains off. Have a yamaha dealer inspect the outboard motor after returning to port. Emu29542 starter will not...
Page 94: Trouble Recovery
Trouble recovery 88 plug wire, spark plug cap, or other elec- trical components when starting or op- erating the motor. You could get an electrical shock. Emu29583 emergency starting engine 1. Remove the top cowling. 2. Remove the flywheel cover. 3. Prepare the engine for starting. For fur- ther inf...
Page 95: Trouble Recovery
Trouble recovery 89 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. [ecm00401] zmu03...
Page 96
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