1. DL manuals
  2. Yamaha
  3. Synthesizer
  4. 8
  5. Owner's Manual

Yamaha 8 Owner's Manual

Other manuals for 8: Owner's Manual, Reference Manual

Summary of 8

  • Page 1

    8 owner’s manual 6m8-f8199-1e u.S.A.Edition lit-18626-08-33 u6m81emc 09.4.2 10:05 am ページ 1.

  • Page 2

    Emu25062 zmu01690 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. U6m81emc 09.4.2 10:05 am ページ 2.

  • Page 3: Important Manual Information

    Important manual information emu31283 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 engine shut-off cord (lanyard)......... 27 oil.................................................... 27 engine ............................................. 28 install cowling.................................. 28 filling fuel and engine oil............... 28 filling fuel for portable...

  • Page 6: Safety Information

    1 safety information emu33622 outboard motor safety observe these precautions at all times. Emu36501 propeller people can be injured or killed if they come in contact with the propeller. The propeller can keep moving even when the motor is in neutral, and sharp edges of the propeller can cut even wh...

  • Page 7: Safety Information

    Safety information 2 death when inhaled. Symptoms include nau- sea, dizziness, and drowsiness. Keep cock- pit and cabin areas well ventilated. Avoid blocking exhaust outlets. Emu33780 modifications do not attempt to modify this outboard mo- tor. Modifications to your outboard motor may reduce safety...

  • Page 8: Safety Information

    Safety information 3 operate defensively at safe speeds and keep a safe distance away from people, ob- jects, 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 go...

  • Page 9: Safety Information

    Safety information 4 location, but all are basically the same as the international rules of the road. The rules presented in the following section are con- densed- and have been provided for your convenience only. Contact the u.S. Coast guard, the national association of state boating law adminis- t...

  • Page 10: Safety Information

    Safety information 5 vessel will be able to determine how best to avoid you. Give-way vessel the vessel that does not have the right-of- way has the duty to take positive and timely action to stay out of the way of the stand-on vessel. Normally, you should not cross in front of the vessel with the r...

  • Page 11: Safety Information

    Safety information 6 you are the give-way vessel. If the other vessel is on your port (left) side, remember that you should maintain course and direc- tion, provided the other vessel gives you the right-of-way as it should. Overtaking if you are passing another vessel, you are the “give-way” vessel....

  • Page 12: Safety Information

    Safety information 7 black buoys to starboard. Many bodies of water used by boaters are entirely within the boundaries of a particular state. The uniform state waterway marking system has been devised for these waters. This system uses buoys and signs with dis- tinctive shapes and colors to show reg...

  • Page 13: Safety Information

    Safety information 8 zmu01708.

  • Page 14: General Information

    9 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 15: General Information

    General information 10 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 16: General Information

    General information 11 1 2 3 zmu05697.

  • Page 17: General Information

    General information 12 emu35132 symbols the following symbols mean as follows. Notice/warning read owner’s manual hazard caused by continuous rotation electrical hazard zmu05696 zmu05664 zmu05665 zmu05666.

  • Page 18: Specifications

    13 specifications and requirements emu31480 specifications tip: “(al)” stated in the specification data below represents the numerical value for the alumi- num propeller installed. Likewise, “(sus)” represents the value for stainless steel propeller installed and “(pl)” for plastic propeller install...

  • Page 19: Installation Requirements

    Specifications and requirements 14 propeller nut: 17.0 nm (1.73 kgf-m, 12.5 ft-lb) emu33554 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 you...

  • Page 20: Start-In-Gear Protection

    Specifications and requirements 15 emu25770 start-in-gear protection yamaha outboard motors or yamaha-ap- proved remote control units are equipped with start-in-gear protection device(s). This feature permits the engine to be started only when it is in neutral. Always select neutral before starting ...

  • Page 21: Muddy Or Acidic Water

    Specifications and requirements 16 emu27270 ring free fuel additive gasoline is a precise blend of many different substances, each chosen to give certain characteristics. Gasoline blends have been changing in recent years in response to con- cerns about pollution and resulting emis- sions regulation...

  • Page 22: Manufactured:

    Specifications and requirements 17 engine for details. Emu30390 approval label of emission control certif- icate this label is attached to the bottom cowling. Existing technology; n/a emu25262 manufactured date label this label is attached to the clamp bracket or the swivel bracket. 1. Approval labe...

  • Page 23: Components

    18 components emu2579m components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all mod- els. 8 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 engin...

  • Page 24: Components

    Components 19 tions. Emu25830 fuel joint this joint is used to connect the fuel line. Emu25841 fuel gauge this gauge is located on either the fuel tank cap or on the fuel joint base. It shows the ap- proximate amount of fuel remaining in the tank. Emu25850 fuel tank cap this cap seals the fuel tank....

  • Page 25: Components

    Components 20 emu25961 throttle indicator the fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position. Choose the setting that offers the best performance and fuel economy for the desired operation. Emu25976 throttle friction adjuster a ...

  • Page 26: Components

    Components 21 emu26001 engine stop button to open the ignition circuit and stop the en- gine, push this button. Emu26011 choke knob for pull type to supply the engine with the rich fuel mix- ture required to start, pull out this knob. Emu26070 manual starter handle to start the engine, first gently ...

  • Page 27: Components

    Components 22 difficult to steer, which could result in an accident. Emu26261 trim rod (tilt pin) the position of the trim rod determines the minimum trim angle of the outboard motor in relation to the transom. Emu26280 shallow water lever pushing this lever down will tilt the motor up partially to ...

  • Page 28: Installation

    23 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 29: Installation

    Installation 24 notice ecm01631 ● check that the idle hole stays high enough to keep out water getting inside engine even if the boat is in stationary with maximum load. ● incorrect engine height or obstructions to the smooth flow of water (such as the design or condition of the boat, or ac- cessori...

  • Page 30: Installation

    Installation 25 3. Secure the clamp bracket to the transom using the bolts provided with the out- board (if packed). For details, consult your yamaha dealer. Warning! Avoid using bolts, nuts or washers other than those contained in the engine packaging. If used, they must be of at least the same qua...

  • Page 31: Operation

    26 operation emu36381 first-time operation emu30174 breaking in engine your new engine requires a period of break- in to allow mating surfaces of moving parts to wear in evenly. Correct break-in will help en- sure proper performance and longer engine life. Notice: failure to follow the break-in proc...

  • Page 32: Operation

    Operation 27 emu37141 fuel level be sure you have plenty of fuel for your trip. A good rule is to use 1/3 of your fuel to get to the destination, 1/3 to return, and to keep 1/ 3 as an emergency reserve. With the boat level on a trailer or in the water, check the fuel level. For fuel filling instruct...

  • Page 33: Operation

    Operation 28 emu27141 engine ● check the engine and engine mounting. ● look for loose or damaged fasteners. ● check the propeller for damage. Emu36953 install cowling 1. Be sure that a cowling lock lever is re- leased. 2. Be sure that the rubber seal is seated all the way around the top cowling. 3. ...

  • Page 34: Operation

    Operation 29 3. Remove the portable tank from the boat. 4. Be sure you are in a well-ventilated out- door area, either securely moored or trailered. 5. Do not smoke and keep away from sparks, flames, static electric discharge, or other sources of ignition. 6. If you use a portable container to store...

  • Page 35: Operation

    Operation 30 if equipped with a portable fuel tank 1. Pour oil into the portable fuel tank, and then add gasoline. 2. Replace the fuel tank cap and close tightly. 3. Shake the fuel tank to mix the fuel thor- oughly. 4. Make sure that the oil and gasoline are mixed. If equipped with a built-in fuel t...

  • Page 36: Operation

    Operation 31 symptoms include nausea, dizziness, and drowsiness. Keep cockpit and cab- in areas well ventilated. Avoid blocking exhaust outlets. 1. If there is an air vent screw on the fuel tank cap, loosen it 2 or 3 turns. 2. If there is a fuel joint on the motor, firmly connect the fuel line to th...

  • Page 37: Operation

    Operation 32 where it could become entangled, pre- venting it from functioning. ● avoid accidentally pulling the cord dur- ing normal operation. Loss of engine power means the loss of most steering control. Also, without engine power, the boat could slow rapidly. This could cause people and objects ...

  • Page 38: Operation

    Operation 33 6. After the engine starts, slowly return the manual starter handle to its original po- sition before releasing it. 7. Slowly return the throttle grip to the fully closed position. Tip: ● when the engine is cold, it needs to be warmed up. For further information, see page 33. ● if the e...

  • Page 39: Operation

    Operation 34 shorten engine life. Gradually return the choke knob to its home position as the en- gine warms up. Emu36530 checks after engine warm-up emu36540 shifting while tightly moored, and without applying throttle, confirm that the engine shifts smoothly into forward and reverse, and back to n...

  • Page 40: Operation

    Operation 35 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 41: Operation

    Operation 36 emu27862 trimming outboard motor warning ewm00740 excessive trim for the operating condi- tions (either trim up or trim down) can cause boat instability and can make steering the boat more difficult. This in- creases the possibility of an accident. If the boat begins to feel unstable or...

  • Page 42: Operation

    Operation 37 3. Reposition the rod in the desired hole. To raise the bow (“trim-out”), move the rod away from the transom. To lower the bow (“trim-in”), move the rod to- ward the transom. Make test runs with the trim set to different angles to find the position that works best for your boat and oper...

  • Page 43: Operation

    Operation 38 the bow is greatly increased, heightening the danger of “bow steering” and making opera- 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. Emu27922 tilting up and down if the eng...

  • Page 44: Operation

    Operation 39 3. Place the tilt lock lever (if equipped) in the release/up position. 4. Pull up the shallow water lever (if equipped). 5. Hold the rear of the top cowling with one hand and tilt the engine up fully. 6. Push the tilt support knob into the clamp bracket. Or the tilt support bar will tur...

  • Page 45: Operation

    Operation 40 the water, resulting in loss of control. ● use extra care when operating in re- verse. Too much reverse thrust can cause the outboard motor to lift out of the water, increasing the chance of ac- cident and personal injury. Notice ecm00260 do not tilt the outboard motor up so that the co...

  • Page 46: Maintenance

    41 maintenance emu28227 transporting and storing outboard motor warning ewm00693 ● 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 47: Maintenance

    Maintenance 42 lowing procedures. Notice ecm01411 ● do not place the outboard motor on its side before the cooling water has drained from it completely, otherwise water may enter the cylinder through the exhaust port and cause engine trou- ble. ● store the outboard motor in a dry, well- ventilated p...

  • Page 48: Maintenance

    Maintenance 43 9. Remove the outboard motor from the test tank. 10. Drain the cooling water completely out of the motor. Clean the body thoroughly. 11. Install the silencer cover/cap and top cowling. Emu28402 lubrication 1. Install the spark plug(s) and torque to proper specification. For informatio...

  • Page 49: Maintenance

    Maintenance 44 tems may be performed by any marine engine repair establishment or individual. All warranty repairs, however, including those to the emission control system, must be performed by an authorized yamaha marine dealership. A service manual is available for purchase through your yamaha dea...

  • Page 50: Maintenance

    Maintenance 45 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 51: Maintenance

    Maintenance 46 fuel line(low pres- sure) inspection or replace- ment as necessary fuel pump inspection or replace- ment as necessary fuel/engine oil leakage inspection gear oil replacement greasing points greasing impeller/water pump housing inspection or replace- ment as necessary impeller/water pu...

  • Page 52: Maintenance

    Maintenance 47 emu34451 maintenance chart 2 item actions every 1000 hours exhaust guide/exhaust manifold inspection or replace- ment as necessary.

  • Page 53: Maintenance

    Maintenance 48 emu28932 greasing yamaha marine grease (water resistant grease) 8 emu28956 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- pl...

  • Page 54: Maintenance

    Maintenance 49 2. Remove the spark plug. If electrode ero- sion becomes excessive, or if carbon and other deposits are excessive, you 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 damag...

  • Page 55: Maintenance

    Maintenance 50 the outboard motor is in the water. A flushing 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 depending on whether testing is con- ducted with the flushing at...

  • Page 56: Maintenance

    Maintenance 51 ● check the propeller shaft oil seal for dam- age. Emu30662 removing propeller emu29197 spline models 1. Straighten the cotter pin and pull it out using a pair of pliers. 2. Remove the propeller nut, washer, and spacer (if equipped). Warning! Do not use your hand to hold the propel- l...

  • Page 57: Maintenance

    Maintenance 52 fastened to the transom or a stable stand. You could be severely injured if the outboard motor falls on you. ● never get under the lower unit while it is tilted, even when the tilt support lever or knob is locked. Severe injury could occur if the outboard motor accidental- ly falls. 1...

  • Page 58: Maintenance

    Maintenance 53 drain screw. Emu29302 cleaning fuel tank warning ewm00920 gasoline is highly flammable, and its va- pors are flammable and explosive. ● if you have any question about properly doing this procedure, consult your yamaha dealer. ● keep away from sparks, cigarettes, flames, or other sourc...

  • Page 59: Maintenance

    Maintenance 54 anodes on equipped models. Consult a yamaha dealer for inspection and replace- ment of internal anodes attached to the pow- er unit..

  • Page 60: Trouble Recovery

    55 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 61: Trouble Recovery

    Trouble recovery 56 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 62: Trouble Recovery

    Trouble recovery 57 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 63: Trouble Recovery

    Trouble recovery 58 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 64: Trouble Recovery

    Trouble recovery 59 could result in an accident. ● attach the engine shut-off cord to a se- cure place on your clothing, or your arm or leg while operating the boat. ● do not attach the cord to clothing that could tear loose. Do not route the cord where it could become entangled, pre- venting it fro...

  • Page 65: Trouble Recovery

    Trouble recovery 60 6. Insert the knotted end of the emergency starter rope into the notch in the flywheel rotor and wind the rope several turns around the flywheel clockwise. 7. Give a strong pull straight out to crank and start the engine. Repeat if neces- sary. Emu33501 treatment of submerged mot...

  • Page 66: Consumer Information

    61 consumer information emu29820 yamaha motor corporation, u.S.A. Outboard motor two year limited warranty.

  • Page 67: Consumer Information

    Consumer information 62.

  • Page 68: Consumer Information

    Consumer information 63.

  • Page 69: Consumer Information

    Consumer information 64 emu29841 important warranty information if you use your yamaha outside the usa or canada.

  • Page 71

    U6m81emc 09.4.2 10:05 am ページ 3.

  • Page 72

    Printed in france april 2009–pdf × 1 ! U6m81emc 09.4.2 10:05 am ページ 4.