- DL manuals
- Yamaha
- Outboard Motor
- F115
- Owner's Manual
Yamaha F115 Owner's Manual
Summary of F115
Page 1
Read this manual carefully before operating this outboard motor. Owner’s manual f115 lf115 f115b1 fl115b1 lit-18626-10-38 6ek-28199-30-e0 u6ek30e0.Book page 1 wednesday, january 29, 2014 4:03 pm.
Page 2
Zmu07696 les gaz d’échappement du moteur de ce produit contiennent des substances chimiques connues dans l’État de californie pour provoquer le cancer, des anomalies congénitales et des troubles de la reproduction. Read this manual carefully before operating this outboard motor. Keep this manual onb...
Page 3: Important Manual Information
Important manual information emu44141 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 engine shut-off cord (lanyard) and clip ................................................ 31 engine stop button .......................... 32 main switch ...................................... 33 steering friction adjuster ................. 33 power trim and tilt switch on remote co...
Page 6: Table Of Contents
Table of contents checks after starting engine ......... 65 cooling water ................................... 65 warming up engine ....................... 66 procedure for warming up engine.... 66 checks after engine warm up ....... 66 shifting ............................................. 66 stop s...
Page 7: Safety Information
1 safety information emu33623 outboard motor safety observe these precautions at all times. Emu36502 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 emu33811 gasoline gasoline and its vapors are highly flamma- ble and explosive. Always, refuel according to the procedure on page 61 to reduce the risk of fire and explosion. Emu33821 gasoline exposure and spills take care not to spill gasoline. If gasoline spills, wipe it up im...
Page 9: Safety Information
Safety information 3 tions. Overloading or incorrect weight distribution can compromise the boats han- dling and lead to an accident, capsizing or swamping. Emu33773 avoid collisions scan constantly for people, objects, and oth- er boats. Be alert for conditions that limit your visibility or block y...
Page 10: Safety Information
Safety information 4 successful completion of the course, the user can download a certificate of completion im- mediately or, for a small charge, request one by mail. To take this free course, go to boa- tus.Org. For canada all operators of pleasure craft must illustrate competency by means of a ple...
Page 11: Safety Information
Safety information 5 in canada national marine manufacturers associa- tion canada 14 mcewan drive suite 8 bolton, on l7e 1h1 http://www.Nmma.Org/ in australia boating industry association of australia http://www.Biaa.Com.Au/ in new zealand nz marine industry association http://www.Nzmarine.Com/ emu3...
Page 12: Safety Information
Safety information 6 crossing: (you are traveling across the other vessel’s path) overtaking: (you are passing or being passed by another vessel) in the following illustration, your boat is in the center. You should give the right-of-way to any vessels shown in white area (you are the give-way vesse...
Page 13: Safety Information
Safety information 7 ter vessels, the operator should sound a pro- longed blast on the whistle (4 to 6 seconds). If another vessel is around the bend, it too should sound the whistle. Even if no reply is heard, however, the vessel should still pro- ceed around the bend with caution. If you navigate ...
Page 14: Safety Information
Safety information 8 zmu01708 u6ek30e0.Book page 8 wednesday, january 29, 2014 4:03 pm.
Page 15: General Information
General information 9 emu25172 identification numbers record emu25185 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 16: General Information
General information 10 emu25215 c-tick label engines affixed with this label conform to cer- tain portion(s) of the australian radio com- munications act. 1. Ce marking location 1. C-tick label location 1 zmu08137 zmu06040 1 zmu08066 zmu01697 u6ek30e0.Book page 10 wednesday, january 29, 2014 4:03 pm.
Page 17: General Information
General information 11 emu33524 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. Emu33834 warn...
Page 18: General Information
General information 12 emu34652 contents of labels the above warning labels mean as follows. 1 warning ewm01682 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 ewm01672 read owne...
Page 19: General Information
General information 13 emu35133 symbols the following symbols mean as follows. Notice/warning read owner’s manual hazard caused by continuous rotation electrical hazard zmu05696 zmu05664 zmu05665 zmu05666 u6ek30e0.Book page 13 wednesday, january 29, 2014 4:03 pm.
Page 20
Specifications and requirements 14 emu40501 specifications tip: “(sus)” indicates that the specification is for the outboard motor when it is equipped with a stainless steel propeller. Emu2821u dimension and weight: overall length: 826 mm (32.5 in) overall width: 522 mm (20.6 in) overall height l: f...
Page 21
Specifications and requirements 15 fuel and oil: recommended fuel: regular unleaded gasoline min. Pump octane number (pon): 87 min. Research octane number (ron): 90 recommended engine oil: yamalube 4m fc-w or 4-stroke outboard motor oil recommended engine oil grade 1: sae 10w-30/10w-40/5w-30 api sg/...
Page 22
Specifications and requirements 16 may violate the laws or regulations re- garding radio wave transmission in the country it is used in. For details, consult your yamaha dealer. This outboard motor is equipped with the yamaha security system to protect against theft, which consists of the receiver a...
Page 23
Specifications and requirements 17 the same compartment as the battery. Fire, explosion or sparks could result. [ewm01821] emu34196 propeller selection next to selecting an outboard motor, select- ing the right propeller is one of the most im- portant purchasing decisions a boater can make. The type...
Page 24
Specifications and requirements 18 emu41953 engine oil requirements select an oil grade according to the average temperatures in the area where the outboard motor will be used. If oil grades listed under recommended en- gine oil grade 1 are not available, select an al- ternative oil grade listed und...
Page 25
Specifications and requirements 19 for oceania notice ecm01982 do not use leaded gasoline. Leaded gasoline can seriously damage the en- gine. Avoid getting water and contaminants in the fuel tank. Contaminated fuel can cause poor performance or engine dam- age. Use only fresh gasoline that has been ...
Page 26
Specifications and requirements 20 gasoline filtration yamaha outboard motors are equipped with internal fuel filters. However, excessive water or debris entering your engine’s fuel system could prematurely clog the internal filters, causing starting and running problems, fuel system damage, and int...
Page 27
Specifications and requirements 21 notice ecm02421 painted sacrificial anodes will not provide corrosion protection. Emu40302 outboard motor disposal re- quirements never illegally discard (dump) the outboard motor. Yamaha recommends consulting the dealer about discarding the outboard motor. Emu3635...
Page 28
Specifications and requirements 22 emu25275 star labels your outboard motor is labeled with a califor- nia air resources board (carb) star label. See below for a description of your particular label. Emu40331 one star—low emission the one-star label identifies engines that meet the air resources boa...
Page 29
Specifications and requirements 23 emu33862 four stars—super ultra low emission the four-star label identifies engines that meet the air resources board’s sterndrive and inboard marine engine 2009 exhaust emission standards. Personal watercraft and outboard marine engines may also comply with these ...
Page 30: Components
Components 24 emu2579z components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all models (order from dealer). 1 2 3 4 5 6 10 11 12 8 9 7 zmu08073 1. Top cowling 2. Cowling lock lever 3. Power trim and tilt unit 4. Clamp bracket 5. Anode 6. Cooling wa...
Page 31: Components
Components 25 7 1 2 3 4 5 8 9 6 zmu08074 1. Oil filler cap 2. Cowling lock lever 3. Fuel filter 4. Cooling water pilot hole 5. Drain screw 6. Gear oil drain screw 7. Cooling water inlet 8. Oil level plug 9. Oil dipstick u6ek30e0.Book page 25 wednesday, january 29, 2014 4:03 pm.
Page 32: Components
Components 26 trip time batt km/h knot mph km mile speed yamaha set mode set mode set mode 1 7 6 2 4 5 8 12 14 11 9 13 3 16 15 10 17 zmu08138 1. Remote control box (side mount type)* 2. Remote control box (binnacle mount type)* 3. Remote control box (binnacle mount type)* 4. Switch panel (for use wi...
Page 33: Components
Components 27 emu38593 remote control transmitter (if equipped) the lock and unlock modes of the yamaha security system are selected using the re- mote control transmitter. While the engine is running, input from the remote control trans- mitter is not received. Store the remote control transmitter ...
Page 34: Components
Components 28 lock when the lock button on the remote control transmitter is pressed briefly, the beeper sounds once. This indicates the lock mode is selected and the engine cannot be started. The lock mode is selected only when the main switch is in the “ ” (off) position. The engine cranks but can...
Page 35: Components
Components 29 emu26202 neutral interlock trigger to shift out of neutral, first pull the neutral in- terlock trigger up. Emu26213 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 36: Components
Components 30 tip: the free accelerator button can only be pushed 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 leve...
Page 37: Components
Components 31 emu25977 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. To decrease resistance, turn the ...
Page 38: Components
Components 32 also, without engine power, the boat could slow rapidly. This could cause peo- ple and objects in the boat to be thrown forward. [ewm00123] emu26004 engine stop button the engine stop button stops the engine when the button is pushed. 1. Engine shut-off cord (lanyard) 2. Clip 3. Engine...
Page 39: Components
Components 33 emu26092 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 elec...
Page 40: Components
Components 34 tip: 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. Emu26144 power trim and tilt switch on remote control or tiller handle the power tr...
Page 41: Components
Components 35 emu26164 power trim and tilt switches (twin bin- nacle type) the power trim and tilt system adjusts the outboard motor angle in relation to the tran- som. Pushing the switch “ ” (up) trims the outboard motor up, and then tilts it up. Press- ing the switch “ ” (down) tilts the outboard ...
Page 42: Components
Components 36 emu26342 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 ecm00661 do not use the tilt support lever or knob when trailering the boat. The outboard motor could shake loose fro...
Page 43: Components
Components 37 emu40823 fuel filter the fuel filter functions to remove foreign ma- terial and separate water from the fuel. If wa- ter separated from the fuel exceeds a specific volume, the alert system will activate. For fur- ther information, see page 52. Tip: adding an in-line 10-micron fuel filt...
Page 44: Instruments And Indicators
Instruments and indicators 38 emu41391 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. Emu36051 tachometer the tachometer displays e...
Page 45: Instruments And Indicators
Instruments and indicators 39 notice ecm00023 do not continue to run the engine if the low oil pressure-alert indicator is on and the engine oil level is lower. Serious en- gine damage will occur. The low oil pressure-alert indicator does not indicate the engine oil level. Use the oil dipstick to ch...
Page 46: Instruments And Indicators
Instruments and indicators 40 emu26714 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. Op- eration with bow-...
Page 47: Instruments And Indicators
Instruments and indicators 41 the clock operates on battery power. Dis- connecting the battery will stop the clock. Reset the clock after connecting the battery. Emu36081 voltmeter the voltmeter displays the charge of the bat- tery in volts(v). Emu26723 fuel level-alert indicator if the fuel level d...
Page 48: Instruments And Indicators
Instruments and indicators 42 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 will i...
Page 49: Instruments And Indicators
Instruments and indicators 43 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 cons...
Page 50: Instruments And Indicators
Instruments and indicators 44 emu26794 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 51: Instruments And Indicators
Instruments and indicators 45 emu36191 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 to- tal hour display comes on, the gauge will change to normal operation. If the buzzer sounds and the wa...
Page 52: Instruments And Indicators
Instruments and indicators 46 emu36131 low oil pressure-alert if the engine oil pressure drops too low, the low oil pressure-alert indicator will start to blink, and the engine speed will automatically decrease to about 2000 r/min. Stop the engine immediately if the buzzer sounds and the low oil pre...
Page 53: Instruments And Indicators
Instruments and indicators 47 notice ecm01593 do not continue to run the engine if the overheat-alert indicator blinks. Serious engine damage will occur. Do not continue to operate the engine if a alert device has activated. Consult your yamaha dealer if the problem can- not be located and corrected...
Page 54: Instruments And Indicators
Instruments and indicators 48 soon if the low battery voltage-alert device has activated. For charging the battery, con- sult your yamaha dealer. Emu36233 6y8 multifunction speed & fuel meters the speed & fuel meter unit shows the boat speed and has the functions of fuel meter, to- tal fuel consumpt...
Page 55: Instruments And Indicators
Instruments and indicators 49 emu36242 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 56: Instruments And Indicators
Instruments and indicators 50 buttons as described in this section. For more information, see the operation manual originally 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 oper- ation. For...
Page 57: Engine Control System
Engine control system 51 emu26804 alert system notice ecm00092 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. Emu26828 overheat alert this engine has the overheat alert device. If the engine temperatur...
Page 58: Engine Control System
Engine control system 52 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 needed...
Page 59: Engine Control System
Engine control system 53 the buzzer will sound intermittently when the remote control lever is in the neutral po- sition. If the alert system has activated, stop the en- gine and check the fuel filter. If any water is found in the fuel, consult a yamaha dealer. Notice ecm02341 although the buzzer wi...
Page 60: Installation
Installation 54 emu26903 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 61: Installation
Installation 55 optimum mounting height. Consult your yamaha dealer or boat manufacturer for fur- ther information on determining the proper mounting height. Notice ecm01635 make sure that the idle hole is high enough to prevent water from entering the engine even if the boat is stationary with the ...
Page 62: Operation
Operation 56 emu36382 first-time operation emu36393 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. Notice: check that the engine is filled with oil before first-time operation to avoid sev...
Page 63: Operation
Operation 57 notice ecm00121 do not start the engine out of water. Over- heating and serious engine damage can occur. Emu36422 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 64: Operation
Operation 58 emu36903 controls tiller handle models: move the tiller handle fully to the left and right to make sure operation is smooth. Turn the throttle grip from the fully closed to the fully open position. Make sure that it turns smoothly and that it completely re- turns to the fully closed pos...
Page 65: Operation
Operation 59 emu40412 outboard motor check that the outboard motor is mounted properly and check the outboard motor mounting bolts for looseness. Check the propeller for damage. Check for engine oil leaks. Emu36494 flushing device check that the flushing device’s garden hose connector is securely sc...
Page 66: Operation
Operation 60 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. Emu34582 power trim and tilt system warning ewm01931 never get under the lower unit while it is tilted, even when the tilt support l...
Page 67: Operation
Operation 61 gasoline is poisonous and can cause in- jury or death. Handle gasoline with care. Never siphon gasoline by mouth. If you should swallow some gasoline or inhale a lot of gasoline vapor, or get some gas- oline in your eyes, see your doctor im- mediately. If gasoline spills on your skin, w...
Page 68: Operation
Operation 62 that could tear loose. Do not route the cord where it could become entangled, 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 rapi...
Page 69: Operation
Operation 63 5. Turn the main switch to “ ” (start), and hold it for a maximum of 5 seconds. 6. 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 ...
Page 70: Operation
Operation 64 operate the yamaha security system cor- rectly, use the transmitter as close as pos- sible from the receiver. If the yamaha security system does not operate correctly, repeat the activating procedure. 2. Place the remote control lever in “ ” (neutral). Tip: the start-in-gear protection ...
Page 71: Operation
Operation 65 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. 5. Turn the main switch to “ ” (start), and hold it for a maximum of 5 seconds. 6. Immediately after the en...
Page 72: Operation
Operation 66 emu27671 warming up engine emu41232 procedure for warming up engine 1. After starting the engine, warm up the engine until the engine speed stabilizes at idle speed to provide maximum oper- ating performance and acceleration. Failure to do so will shorten engine life. 2. Check that the ...
Page 73: Operation
Operation 67 to shift from in gear (forward/reverse) to neu- tral 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 neutral position. U6ek30e0.Book page 67 wednesday,...
Page 74: Operation
Operation 68 emu31743 stopping boat warning ewm01511 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 sh...
Page 75: Operation
Operation 69 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 un- attended. 5. If equipped with the yamaha security system: when you leav...
Page 76: Operation
Operation 70 emu27889 adjusting trim angle (power trim and tilt) warning ewm00754 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 tri...
Page 77: Operation
Operation 71 emu27913 adjusting boat trim when the boat is on plane, a bow-up attitude results in less drag, greater stability and effi- ciency. This is generally when the keel line of the boat is up about 3 to 5 degrees. With the bow up, the boat may have a greater tenden- cy to steer to one side o...
Page 78: Operation
Operation 72 warning ewm00251 leaking fuel is a fire hazard. If there is a fuel joint on the outboard motor, discon- nect the fuel line or close the fuel cock if the engine will be tilted for more than a few minutes. Otherwise fuel may leak. Notice ecm00242 before tilting the outboard motor, stop th...
Page 79: Operation
Operation 73 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. Otherwise the out- board motor could fall back down suddenly if oil in the power trim and tilt unit or in t...
Page 80: Operation
Operation 74 3. Push the power trim and tilt switch “ ” (down) to lower the outboard motor to the desired position. Emu28063 shallow water emu40702 cruising in shallow water the outboard motor can be tilted up partially to allow operation in shallow water. Notice ecm02361 do not tilt the outboard mo...
Page 81: Operation
Operation 75 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 82: Maintenance
Maintenance 76 emu41532 transporting and storing out- board motor warning ewm02641 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. This ...
Page 83: Maintenance
Maintenance 77 emu41382 conditioning and stabilizing gasoline when preparing to store a boat for extended periods (2 months or longer) it is best to com- pletely remove all gasoline from the boat’s fuel tank(s). If it is not possible to remove the gasoline, add one ounce of “yamalube fuel stabilizer...
Page 84: Maintenance
Maintenance 78 tip: a flushing attachment is available from your yamaha dealer. 5. Run the engine at a fast idle for a few minutes in neutral while supplying fresh water. Warning! Do not touch or re- move electrical parts when starting or during operation. Keep hands, hair, and clothes away from the...
Page 85: Maintenance
Maintenance 79 1. Disconnect the garden hose connector from the fitting on the bottom cowling. 2. Connect the garden hose to the garden hose connector. 3. With the engine off, turn on the water supply and let the water flush through the cooling water passages for about 15 minutes. 4. Turn off the wa...
Page 86: Maintenance
Maintenance 80 emu44950 periodic maintenance warning ewm01872 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 mechan- ic do the work. The procedures i...
Page 87: Maintenance
Maintenance 81 emu34448 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 adjusted...
Page 88: Maintenance
Maintenance 82 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 89: Maintenance
Maintenance 83 emu34452 maintenance chart 2 cooling water inlet inspection main switch/stop 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 item actions every 1000 hours exh...
Page 90: Maintenance
Maintenance 84 emu28935 greasing yamaha marine grease (water resistant grease) zmu08103 u6ek30e0.Book page 84 wednesday, january 29, 2014 4:03 pm.
Page 91: Maintenance
Maintenance 85 emu44890 inspecting spark plug the spark plug is an important engine com- ponent. 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 indicate an intake air leak or carbureti...
Page 92: Maintenance
Maintenance 86 to install the spark plug 1. Wipe off any dirt from the threads, insu- lator, and gasket surface of the spark plug. 2. Install the spark plug, and then tighten it to the specified torque. Tip: if a torque-wrench is not available when you are reinstalling a spark plug, a good estimate ...
Page 93: Maintenance
Maintenance 87 to prevent spilling oil where it could cause damage to nature, it is strongly recommend- ed that you use an oil changer to change the engine oil. If an oil changer is not available, drain the engine oil by removing the drain screw. If you are not familiar with the proce- dure for chan...
Page 94: Maintenance
Maintenance 88 tip: if the oil does not drain easily, change the tilt angle or turn the outboard motor to port and starboard to drain the oil. 7. Put a new gasket on the oil drain screw. Apply a light coat of oil to the gasket and install the drain screw. Tip: if a torque wrench is not available whe...
Page 95: Maintenance
Maintenance 89 problem could cause severe engine damage. Consult your yamaha dealer if the problem cannot be located and corrected. [ecm01623] 14. Install the top cowling. 15. Dispose of used oil according to local regulations. Tip: for more information on the disposal of used oil, consult your yama...
Page 96: Maintenance
Maintenance 90 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 seal for da...
Page 97: Maintenance
Maintenance 91 stalling the propeller. Otherwise, the lower case and propeller boss could be damaged. [ecm01882] 3. Install the spacer, washer, and propeller nut. Tighten the propeller nut to the specified torque. 4. Align the propeller nut slot with the pro- peller shaft hole. Insert a new cotter p...
Page 98: Maintenance
Maintenance 92 tip: always use new gaskets. Do not reuse the re- moved gaskets. 4. Remove the oil level plug and gasket to allow the oil to drain completely. Notice: check the used gear oil after it has been drained. If the gear oil is milky or contains water or a large amount of metal particles, th...
Page 99: Maintenance
Maintenance 93 emu29317 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 of the anodes. Consult a yamaha dealer for replacement of external anodes. Notice ecm00721 do...
Page 100: Maintenance
Maintenance 94 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. [ewm01913] emu29335 connecting the battery warning ewm00573 mount the battery holder securely in a dry, w...
Page 101: Trouble Recovery
Trouble recovery 95 emu38672 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 102: Trouble Recovery
Trouble recovery 96 a. Fill tank with clean, fresh fuel. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Is starting procedure incorrect? A. See page 61. Q. Has fuel pump malfunctioned? A. Have serviced by a yamaha dealer. Q. Are spark plug(s) fouled or of incorrect type? A. Inspect spark ...
Page 103: Trouble Recovery
Trouble recovery 97 a. Connect correctly. Q. Is throttle valve adjustment incorrect? A. Have serviced by a yamaha dealer. Q. Is battery cable disconnected? A. Connect securely. Alert buzzer sounds or indicator lights. Q. Is cooling system clogged? A. Check water intake for restriction. Q. Is engine ...
Page 104: Trouble Recovery
Trouble recovery 98 a. Fill tank with clean, fresh fuel. Q. Is spark plug gap incorrect? A. Inspect and adjust as specified. Q. Is ignition wiring damaged or poorly con- nected? A. Check wires for wear or breaks. Tighten all loose connections. Replace worn or broken wires. Q. Have electrical parts f...
Page 105: Trouble Recovery
Trouble recovery 99 2. Check the control system and all compo- nents for damage. Also, check the boat for damage. 3. Whether damage is found or not, return to the nearest harbor slowly and careful- ly. 4. Have a yamaha dealer check the out- board motor before operating it again. Emu29454 running sin...
Page 106: Trouble Recovery
Trouble recovery 100 4. When replacing a fuse other than the en- gine main fuse, remove the fuse using the fuse puller. Install a spare fuse of the proper amperage. Consult your yamaha dealer if the new fuse immediately blows again. Emu40983 power trim and tilt unit will not oper- ate warning ewm023...
Page 107: Trouble Recovery
Trouble recovery 101 1. Stop the engine. 2. Remove the top cowling. 3. 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. [ecm01951] 4. Remove the cover. 5. Remove the hose holder, and t...
Page 108: Trouble Recovery
Trouble recovery 102 6. Unscrew the filter cup, and then remove the o-ring from the filter cup. Notice: be careful not to twist the water de- tection switch lead when unscrewing the filter cup. [ecm01961] 7. Drain the water in the filter cup by soak- ing it up with a rag. 8. Put the o-ring on the fi...
Page 109
Consumer information (for north america) 103 emu29837 yamaha four-stroke outboard motor three-year limited warranty zmu07048 yamaha motor corporation, u.S.A. And yamaha motor canada ltd. (“yamaha”) hereby warrant that new yamaha four-stroke outboard motors will be free from defects in material and w...
Page 110
Consumer information (for north america) 104 zmu07047 specific parts excluded from warranty. Parts replaced due to normal wear or routine maintenance such as oil, spark plugs, shear pins, propellers, hubs, fuel and oil filters, brushes for the starter motor and power tilt motor, water pump impellers...
Page 111
Consumer information (for north america) 105 emu29846 important warranty information if you use your yamaha outside the u.S.A. Or canada welcome to the yamaha family! Congratulations on the purchase of your new yamaha products. Yamaha is commit- ted to exceptional customer satisfaction and we want y...
Page 112: Index
106 index 6y8 multifunction fuel management meters ................................................ 49 6y8 multifunction meters...................... 44 6y8 multifunction speed & fuel meters ................................................ 48 6y8 multifunction speedometers.......... 49 6y8 multifunc...
Page 113: Index
Index 107 fuel leaks, checking for........................ 57 fuel level............................................... 57 fuel level-alert indicator ....................... 41 fuel management meter....................... 41 fuel requirements................................. 18 fuel system ............
Page 114: Index
Index 108 propeller, removing .............................. 90 propeller selection ................................ 17 r read manuals and labels ..................... 11 remote control box .............................. 28 remote control lever ............................ 28 remote control requirem...
Page 115
Emu43024 for your best ownership experience, think genuine yamaha! Genuine yamaha parts — genuine yamaha replacement parts are the exact same parts as the ones originally equipped on your vehicle, providing you with the performance and du- rability you have come to expect. Why settle for aftermarket...
Page 116
Printed on recycled paper printed in japan february 2014–4.6 × 1 cr u6ek30e0.Book page 1 wednesday, january 29, 2014 4:03 pm.