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  5. Owner's Manual

Yamaha F9.9F Owner's Manual

Summary of F9.9F

  • Page 1

    Read this manual carefully before operating this outboard motor. Owner’s manual f9.9f ft9.9g 6au-28199-23-e0 u6au23e0.Book page 1 tuesday, february 23, 2010 2:28 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. U6au23e0.Book page 1 tuesday, february 23, 2010 2:28 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 engine control system.................... 26 alert system .................................. 26 low oil pressure alert ....................... 26 installation ....................................... 27 installation ..................................... 27 mounting the outboard moto...

  • Page 6: Table Of Contents

    Table of contents checking battery (for electric start models) .............. 69 connecting the battery ..................... 70 disconnecting the battery................. 70 trouble recovery ............................ 71 troubleshooting ............................ 71 temporary action in emergenc...

  • 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 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 emu33772 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 away from people, objects, and other boats. ● do not fol...

  • 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 1. C-tick label location zmu01697 u6au23e0.Book page 5 tuesday, february 23, 2010 2:28 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 ft9.9ge, ft9.9gep u6au23e0.Book page 7 tuesday, february 23, 2010 2:28 pm.

  • Page 14: General Information

    General information 8 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 15: General Information

    General information 9 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 16

    Specifications and requirements 10 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 install...

  • Page 17

    Specifications and requirements 11 min. Cold cranking amps (cca/en): ft9.9ge 347.0 a ft9.9gep 347.0 a min. Rated capacity (20hr/iec): ft9.9ge 40.0 ah ft9.9gep 40.0 ah alternator output: f9.9fmh 80 w maximum generator output: ft9.9ge 6 a ft9.9gep 6 a drive unit: gear positions: forward-neutral-revers...

  • Page 18

    Specifications and requirements 12 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 19

    Specifications and requirements 13 load. Generally, select a larger pitch propeller for a smaller operating load and a smaller pitch propeller for a heavier load. If you carry loads that vary widely, select the propeller that lets the engine run in the proper range for your maximum load but remember...

  • Page 20

    Specifications and requirements 14 emu36360 fuel requirements emu36771 gasoline 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 recomends that you use alcohol-free (see gasohol) gas- o...

  • Page 21: Components

    Components 15 emu2579t components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all models (order from dealer). F9.9f 1. Top cowling 2. Cowling lock lever 3. Anti-cavitation plate 4. Propeller 5. Cooling water inlet 6. Drain screw 7. Trim rod 8. Clamp ...

  • Page 22: Components

    Components 16 ft9.9g 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 re...

  • Page 23: Components

    Components 17 emu25830 fuel joint this joint is used to connect the fuel line. Emu25841 fuel gauge this gauge is located on either the fuel tank cap or on the fuel joint base. It shows the ap- proximate amount of fuel remaining in the tank. Emu25850 fuel tank cap this cap seals the fuel tank. When r...

  • Page 24: Components

    Components 18 emu26212 neutral throttle lever to open the throttle without shifting into either forward or reverse, put the remote control le- ver in the neutral position and lift the neutral throttle lever. Tip: the neutral throttle lever will operate only when the remote control lever is in neutra...

  • Page 25: Components

    Components 19 emu25941 throttle grip the throttle grip is on the tiller handle. Turn the grip counterclockwise to increase speed and clockwise to decrease speed. Emu25961 throttle indicator the fuel consumption curve on the throttle in- dicator shows the relative amount of fuel con- sumed for each t...

  • Page 26: Components

    Components 20 clothing that could tear loose. Do not route the cord where it could become entangled, preventing it from functioning. Avoid acci- dentally pulling the cord during normal operation. Loss of engine power means the loss of most steering control. Also, without engine power, the boat could...

  • Page 27: Components

    Components 21 ● “ ” (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 electrical circuits are on, and the key can- not be removed. ● “ ” (start) with the main switch in th...

  • Page 28: Components

    Components 22 tip: ● steering movement is blocked when the 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- just...

  • Page 29: Components

    Components 23 the normal running position, use an addi- tional support device to secure it in the tilt position. Emu26333 tilt support bar the tilt support bar keeps the outboard motor in the tilted up position. Notice ecm01660 do not use the tilt support bar when traile- ring the boat. The outboard...

  • Page 30: Components

    Components 24 emu26303 alert indicator if the engine develops a condition which is cause for alert, the indicator lights up. For de- tails on how to read the alert indicator, see page 26. 1. Low oil pressure-alert indicator u6au23e0.Book page 24 tuesday, february 23, 2010 2:28 pm.

  • Page 31: Instruments and Indicators

    Instruments and indicators 25 emu36014 indicators emu36024 low oil pressure-alert indicator if oil pressure drops too low, this indicator will light up. For further information, see page 26. Notice ecm00022 ● do not continue to run the engine if the low oil pressure-alert indicator is on and the eng...

  • Page 32: Engine Control System

    Engine control system 26 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. Emu3016b low oil pressure alert if the oil pressure drops too low, the alert de- vice wil...

  • Page 33: Installation

    Installation 27 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 34: Installation

    Installation 28 4. Mount the outboard motor on the center line (keel line) of the boat, and ensure that the boat itself is well balanced. Oth- erwise the boat will be hard to steer. For boats without a keel or which are asym- metrical, consult your dealer. Emu26925 mounting height to run your boat a...

  • Page 35: Installation

    Installation 29 runs at different heights can help determine the optimum mounting height. Consult your yamaha dealer or boat manufacturer for further information on determining the prop- er mounting height. ● for instructions on setting the trim angle of the outboard motor, see page 44. Emu26973 cla...

  • Page 36: Operation

    Operation 30 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 37: Operation

    Operation 31 an emergency reserve. With the boat level on a trailer or in the water, check the fuel level. For fuel filling instructions, see page 33. Emu36571 remove the top cowling for the following checks, remove the top cowling from the bottom cowling. To remove the top cowling, release the cowl...

  • Page 38: Operation

    Operation 32 emu27166 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 may not be accurate. [ecm01790] 2. Remove oil dipstick and wipe it clean. 3. Insert the dipstick and remove it again. Be sure t...

  • Page 39: Operation

    Operation 33 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. Emu34782 checking power tilt system warning ewm01970 ● never get under the lower unit while it is tilted, even when the tilt support...

  • Page 40: Operation

    Operation 34 a lot of gasoline vapor, or get some gas- oline in your eyes, see your doctor im- mediately. If gasoline spills on your skin, wash with soap and water. If gaso- line spills on your clothing, change your clothes. 1. Be sure the engine is stopped. 2. Disconnect the fuel line from the fuel...

  • Page 41: Operation

    Operation 35 ● this product emits exhaust gases which contain carbon monoxide, a colorless, odorless gas which could cause brain damage or death when inhaled. Symp- toms include nausea, dizziness, and drowsiness. Keep cockpit and cabin ar- eas well ventilated. Avoid blocking ex- haust outlets. Emu27...

  • Page 42: Operation

    Operation 36 emu34813 manual start models (tiller control) warning ewm01840 ● failure to attached engine shut-off cord could result in a runaway boat if opera- tor is ejected. Attach the engine shut-off cord to a secure place on your clothing, or your arm or leg while operating. Do not attach the co...

  • Page 43: Operation

    Operation 37 6. After the engine starts, slowly return the manual starter handle to its original posi- tion before releasing it. 7. Slowly return the throttle grip to the fully closed position. 8. Return the choke knob to the home posi- tion gradually. Tip: ● if the choke knob is left in the “ ” (st...

  • Page 44: Operation

    Operation 38 3. Place the throttle grip in the “ ” (start) position. 4. Pull the manual starter handle slowly until you feel resistance. Then give a strong pull straight out to crank and start the en- gine. Tip: ● if the engine does not start, place the throt- tle grip in the “ ” (warm engine) posit...

  • Page 45: Operation

    Operation 39 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. Turn t...

  • Page 46: Operation

    Operation 40 7. Immediately after the engine starts, re- lease the main switch and allow it to re- turn to “ ” (on). The remote choke system stops operating when the main switch is released. Notice: never turn the main switch to “ ” (start) while the engine is running. Do not keep the starter motor ...

  • Page 47: Operation

    Operation 41 emu36531 checks after engine warm up emu36541 shifting while the boat is tightly moored, and without applying throttle, confirm that the engine shifts smoothly into forward and reverse, and back to neutral. Emu36980 stop switches ● turn the main switch to “ ”, or press the engine stop b...

  • Page 48: Operation

    Operation 42 tip: tiller handle models: the gear shift lever op- erates only when the throttle grip is in the fully closed position. 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 th...

  • Page 49: Operation

    Operation 43 the boat is not equipped with a separate braking system. Water resistance stops it af- ter the throttle lever is moved back to idle. The stopping distance varies depending on gross weight, water surface conditions, and wind di- rection. Emu27821 stopping engine before stopping the engin...

  • Page 50: Operation

    Operation 44 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 steer- ing the boat more difficult. This increases the possibility of an accident. If the boat begins to feel unstable or...

  • Page 51: Operation

    Operation 45 emu27904 adjusting trim angle (power tilt mod- els) 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 52: Operation

    Operation 46 bow down too much trim-in causes the boat to “plow” through the water, decreasing fuel economy and making it hard to increase speed. Operat- ing with excessive trim-in at higher speeds also makes the boat unstable. Resistance at the bow is greatly increased, heightening the danger of “b...

  • Page 53: Operation

    Operation 47 2. Disconnect the fuel line from the out- board motor. 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 i...

  • Page 54: Operation

    Operation 48 3. Push the tilt support knob into the clamp bracket to support the engine. Warning! After tilting the outboard motor, be sure to support it with the tilt support knob or tilt support lever. Oth- erwise the outboard motor could fall back down suddenly if oil in the power trim and tilt u...

  • Page 55: Operation

    Operation 49 3. Push the power tilt switch “ ” (down) to lower the outboard motor to the desired position. Emu28061 shallow water emu28073 cruising in shallow water (manual tilt models) warning ewm01781 ● run the boat at the lowest possible speed when using the shallow water cruising system. The til...

  • Page 56: Operation

    Operation 50 2. Place the tilt lock lever in the release/up position. 3. Slightly tilt the outboard motor up. The tilt support bar will lock automatically, sup- porting the outboard motor in a partially raised position. This outboard motor has 2 positions for shallow water cruising. 4. To return the...

  • Page 57: Operation

    Operation 51 2. Slightly tilt the outboard motor up to the desired position using the power tilt switch. Warning! Using the power tilt switch on the bottom cowling while the boat is moving or engine is on could increase the risk of falling over- board and could distract the operator, increasing the ...

  • Page 58: Maintenance

    Maintenance 52 emu2822a transporting and storing out- board motor warning ewm02620 ● use care when transporting fuel tank, whether in a boat or car. ● do not fill fuel container to maximum capacity. Gasoline will expand consider- ably as it warms up and can build up pressure in the fuel container. T...

  • Page 59: Maintenance

    Maintenance 53 4. To prevent steering movement, turn the adjuster lever to “a” (if equipped with the adjuster lever). To hold the steering bracket easily, raise the tiller handle to the vertical position (if equipped with the tiller handle). 5. Loosen the clamp screw(s). 6. Hold the handgrip and ste...

  • Page 60: Maintenance

    Maintenance 54 tip: when transporting the outboard motor in a horizontal position, place a towel or some- thing similar under the outboard motor to pro- tect it from damage. Emu28241 storing outboard motor when storing your yamaha outboard motor for prolonged periods of time (2 months or longer), se...

  • Page 61: Maintenance

    Maintenance 55 plate, or if the water supply is insuffi- cient, engine seizure may occur. [ecm00291] 7. Cooling system flushing is essential to prevent the cooling system from clogging up with salt, sand, or dirt. In addition, fog- ging/lubricating of the engine is mandato- ry to prevent excessive e...

  • Page 62: Maintenance

    Maintenance 56 emu28461 checking painted surface of outboard motor check the outboard motor for scratches, nicks, or flaking paint. Areas with damaged paint are more likely to corrode. If necessary, clean and paint the areas. A touch-up paint is available from your yamaha dealer. Emu37003 periodic m...

  • Page 63: Maintenance

    Maintenance 57 it instead at 25 hours. This will help prevent more rapid deterioration of engine compo- nents. 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 p...

  • Page 64: Maintenance

    Maintenance 58 engine oil filter (built into oil pan) inspection, cleaning or replacement as neces- sary fuel filter (disposal type) replacement 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...

  • Page 65: Maintenance

    Maintenance 59 emu34451 maintenance chart 2 valve clearance inspection and adjust- ment cooling 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 fuel tan...

  • Page 66: Maintenance

    Maintenance 60 emu28943 greasing yamaha grease a (water resistant grease) yamaha grease d (corrosion resistant grease; for propeller shaft) f9.9f, ft9.9g u6au23e0.Book page 60 tuesday, february 23, 2010 2:28 pm.

  • Page 67: Maintenance

    Maintenance 61 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 68: Maintenance

    Maintenance 62 emu29044 inspecting idle speed warning ewm00451 ● do not touch or remove electrical parts when starting or during operation. ● keep hands, hair, and clothes away from the flywheel and other rotating parts while the engine is running. Notice ecm00490 this procedure must be performed wh...

  • Page 69: Maintenance

    Maintenance 63 tip: if the oil changer is not available, remove the drain screw while holding a container under the drain hole. Let the oil drain completely. Wipe up any spilled oil immediately. 6. Add the correct amount of oil through the filler hole. Put back the filler cap and the dipstick. Notic...

  • Page 70: Maintenance

    Maintenance 64 11. Start the engine and make sure that the low oil pressure-alert indicator remains off. Also, make sure that there are no oil leaks. Notice: if the low oil pressure- alert indicator comes on or if there are oil leaks, stop the engine and find the cause. Continued operation with a pr...

  • Page 71: Maintenance

    Maintenance 65 ● check the propeller shaft oil seal for dam- age. Emu30662 removing propeller emu29197 spline models 1. Straighten the cotter pin and pull it out us- ing a pair of pliers. 2. Remove the propeller nut, washer, and spacer (if equipped). Warning! Do not use your hand to hold the propell...

  • Page 72: Maintenance

    Maintenance 66 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. Notice: do not reuse the cotter pin. Otherwise, the propel...

  • Page 73: Maintenance

    Maintenance 67 emu29289 changing gear oil warning ewm00800 ● be sure the outboard motor is securely 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 kn...

  • Page 74: Maintenance

    Maintenance 68 6. Put a new gasket on the oil level plug. When the oil begins to flow out of the oil level plug hole, insert and tighten the oil level plug. 7. Put a new gasket on the gear oil drain screw. Insert and tighten the gear oil drain screw. Emu29302 cleaning fuel tank warning ewm00920 gaso...

  • Page 75: Maintenance

    Maintenance 69 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 of the anodes. Consult a yamaha dealer for replacement of external anodes. Notice ecm00720 do...

  • Page 76: Maintenance

    Maintenance 70 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 77: Trouble Recovery

    Trouble recovery 71 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 78: Trouble Recovery

    Trouble recovery 72 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 79: Trouble Recovery

    Trouble recovery 73 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 80: Trouble Recovery

    Trouble recovery 74 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 81: Trouble Recovery

    Trouble recovery 75 emu32130 power tilt will not operate if the engine cannot be tilted up or down with the power tilt because of a discharged battery or a failure with the power tilt unit, the engine can be tilted manually. 1. Loosen the manual valve screw by turn- ing it counterclockwise until it ...

  • Page 82: Trouble Recovery

    Trouble recovery 76 ● do not touch the ignition coil, spark plug wire, spark plug cap, or other electrical components when starting or operating the motor. You could get an electrical shock. Emu29562 emergency starting engine 1. Remove the top cowling. 2. Remove the start-in-gear protection ca- ble ...

  • Page 83: Trouble Recovery

    Trouble recovery 77 emu29671 engine fails to operate emu35321 emergency engine operation if the battery voltage is low or in the unlikely event of an ignition system malfunction, the engine speed may become erratic or the en- gine may stop. In such a situation, follow the procedure below. Disconnect...

  • Page 84

    Yamaha motor co., ltd. Printed on recycled paper printed in japan march 2010–0.1 × 1 cr u6au23e0.Book page 1 tuesday, february 23, 2010 2:28 pm.