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- Yamaha
- Outboard Motor
- F8C
- Owner's Manual
Yamaha F8C Owner's Manual
Summary of F8C
Page 1
Read this manual carefully before operating this outboard motor. Owner’s manual f8c 60r-f8199-26-e0 u60r26e0.Book page 1 monday, april 26, 2010 3:27 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. U60r26e0.Book page 1 monday, april 26, 2010 3:27 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 checks before starting engine ...... 23 fuel level .......................................... 23 remove the top cowling ................... 24 fuel system ...................................... 24 controls ............................................ 24 engine shut-off cord (lanyar...
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 neu- tral, and sharp edges of the propeller can cut even ...
Page 7: Safety Information
Safety information 2 emu33780 modifications do not attempt to modify this outboard motor. Modifications to your outboard motor may re- duce safety and reliability, and render the out- board unsafe or illegal to use. Emu33740 boating safety this section includes a few of the many im- portant safety p...
Page 8: Safety Information
Safety information 3 ● avoid sharp turns or other maneuvers that make it hard for others to avoid you or un- derstand where you are going. ● avoid areas with submerged objects or shallow water. ● ride within your limits and avoid aggressive maneuvers to reduce the risk of loss of con- trol, ejection...
Page 9: 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 10: General Information
General information 5 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 11: General Information
General information 6 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 12: General Information
General information 7 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 13
Specifications and requirements 8 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 14
Specifications and requirements 9 recommended engine oil group 2*: sae 15w-40/20w-40/20w-50 api sh/sj/sl engine oil quantity: 0.8 l (0.85 us qt, 0.70 imp.Qt) lubrication: wet sump recommended gear oil: hypoid gear oil sae#90 gear oil quantity: 0.150 l (0.159 us qt, 0.132 imp.Qt) tightening torque fo...
Page 15
Specifications and requirements 10 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 16
Specifications and requirements 11 notice ecm01981 ● do not use leaded gasoline. Leaded gas- oline can seriously damage the engine. ● 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 stored i...
Page 17: Components
Components 12 emu2579w components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all models (order from dealer). F8c emu25802 fuel tank if your model was equipped with a portable fuel tank, its function is as follows. Warning ewm00020 the fuel tank supp...
Page 18: Components
Components 13 mercial users should conform to relevant licensing or approval authority regula- 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...
Page 19: Components
Components 14 emu25961 throttle indicator the fuel consumption curve on the throttle in- dicator shows the relative amount of fuel con- sumed for each throttle position. Choose the setting that offers the best performance and fuel economy for the desired operation. Emu25976 throttle friction adjuste...
Page 20: Components
Components 15 emu26002 engine stop button the engine stop button stops the engine when the button is pushed. Emu26012 choke knob for pull type to supply the engine with the rich fuel mixture required to start, pull out this knob. Emu26073 manual starter handle the manual starter handle is used to cr...
Page 21: Components
Components 16 emu26262 trim rod (tilt pin) the position of the trim rod determines the minimum trim angle of the outboard motor in relation to the transom. Emu30530 tilt lock mechanism the tilt lock mechanism is used to prevent the outboard motor from lifting out of the water when in reverse gear. T...
Page 22: Components
Components 17 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 19. 1. Alert indicator u60r26e0.Book page 17 monday, april 26, 2010 3:27 pm.
Page 23: Instruments and Indicators
Instruments and indicators 18 emu36014 indicators emu36024 low oil pressure-alert indicator if oil pressure drops too low, this indicator will light up. For further information, see page 19. Notice ecm00022 ● do not continue to run the engine if the low oil pressure-alert indicator is on and the eng...
Page 24: Engine Control System
Engine control system 19 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 25: Installation
Installation 20 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 26: Installation
Installation 21 notice ecm01634 ● make sure that the idle hole is high enough to prevent water from entering the engine even if the boat is stationary with the maximum load. ● incorrect engine height or obstructions to the smooth flow of water (such as the design or condition of the boat, or ac- ces...
Page 27: Installation
Installation 22 packaging. If used, they must be of at least the same quality of material and strength and must be tightened se- curely. After tightening, test run the engine and check their tightness. [ewm00651] 1. Bolts 1 zmu02014 u60r26e0.Book page 22 monday, april 26, 2010 3:27 pm.
Page 28: Operation
Operation 23 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 29: Operation
Operation 24 an emergency reserve. With the boat level on a trailer or in the water, check the fuel level. For fuel filling instructions, see page 26. 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 30: Operation
Operation 25 4. Check the oil level using the dipstick to be sure the level falls between the upper and lower marks. Fill with oil if it is below the lower mark, or drain to the specified level if it is above the upper mark. Emu27153 engine ● check the engine and engine mounting. ● look for loose or...
Page 31: Operation
Operation 26 emu27438 filling fuel warning ewm01830 ● gasoline and its vapors are highly flam- mable and explosive. Always refuel ac- cording to this procedure to reduce the risk of fire and explosion. ● gasoline is poisonous and can cause in- jury or death. Handle gasoline with care. Never siphon g...
Page 32: Operation
Operation 27 10. Wipe up any spilled gasoline immediately with dry rags. Dispose rags properly ac- cording to local laws or regulations. Emu27452 operating engine warning ewm00420 ● before starting the engine, make sure that the boat is tightly moored and that you can steer clear of any obstructions...
Page 33: Operation
Operation 28 emu27494 starting engine warning ewm01600 before starting the engine, make sure that the boat is tightly moored and that you can steer clear of any obstructions. Be sure there are no swimmers in the water near you. Emu27508 manual start models (tiller control) warning ewm01840 ● failure...
Page 34: Operation
Operation 29 4. Pull out / turn the choke knob fully. After the engine starts, replace / return the knob to the home position. Tip: ● it is not necessary to use the choke when starting a warm engine. ● if the choke knob is left in the “ ” (start) position while the engine is running, the en- gine wi...
Page 35: Operation
Operation 30 the cooling water pilot hole is blocked. Consult your yamaha dealer if the prob- lem cannot be located and corrected. Emu27670 warming up engine emu35303 manual start models 1. After starting the engine, allow it to idle for 3 minutes to warm up. Failure to do so will shorten engine lif...
Page 36: Operation
Operation 31 tip: the gear shift lever operates 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 the gear shift lever firml...
Page 37: Operation
Operation 32 2. After stopping the engine, tighten the air vent screw on the fuel tank cap and set the fuel cock lever or knob to the closed position, if equipped. 3. Disconnect the fuel line if you are using an external fuel tank. Tip: if the outboard motor is equipped with an en- gine shut-off cor...
Page 38: Operation
Operation 33 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 an- gles to find the position that works best for your boat and op...
Page 39: Operation
Operation 34 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. Emu27935 tilting up and down if the eng...
Page 40: Operation
Operation 35 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 turn to the lock position automatically. Notice: do not use the tilt suppo...
Page 41: Operation
Operation 36 emu32741 procedure 1. Place the gear shift lever in neutral. 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...
Page 42: Operation
Operation 37 it, such as muddy or turbid (cloudy) water. Af- ter operating in such water, flush the cooling passages with fresh water to prevent corro- sion. Also rinse the outside of the outboard motor with fresh water. U60r26e0.Book page 37 monday, april 26, 2010 3:27 pm.
Page 43: Maintenance
Maintenance 38 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 44: Maintenance
Maintenance 39 tip: place a towel or something similar under the outboard motor to protect it from damage. Emu28241 storing outboard motor when storing your yamaha outboard motor for prolonged periods of time (2 months or longer), several important procedures must be performed to prevent excessive d...
Page 45: Maintenance
Maintenance 40 6. Run the engine at a fast idle for a few minutes in neutral position. 7. Just prior to turning off the engine, quickly spray “fogging oil” alternately into each carburetor or the fogging hole of the si- lencer cover, if equipped. When properly done, the engine will smoke excessively...
Page 46: Maintenance
Maintenance 41 ● turn off the engine and keep engine shut-off cord (lanyard) with you when you perform maintenance unless other- wise specified. ● allow the engine to cool before handling hot parts or fluids. ● always completely reassemble the mo- tor before operation. Emu28511 replacement parts if ...
Page 47: Maintenance
Maintenance 42 emu34446 maintenance chart 1 tip: ● refer to the sections in this chapter for explanations of each owner-specific action. ● the maintenance cycle on these charts assume usage of 100 hours per year and regular flushing of the cooling water passages. Maintenance frequency should be adju...
Page 48: Maintenance
Maintenance 43 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 49: Maintenance
Maintenance 44 emu34451 maintenance chart 2 wire harness connec- tions/wire coupler con- nections inspection or replace- ment as necessary fuel tank (yamaha por- table tank) inspection and clean- ing as necessary item actions every 1000 hours exhaust guide/exhaust manifold inspection or replace- men...
Page 50: Maintenance
Maintenance 45 emu28943 greasing yamaha grease a (water resistant grease) yamaha grease d (corrosion resistant grease; for propeller shaft) f8c u60r26e0.Book page 45 monday, april 26, 2010 3:27 pm.
Page 51: Maintenance
Maintenance 46 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 52: Maintenance
Maintenance 47 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 53: Maintenance
Maintenance 48 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 54: Maintenance
Maintenance 49 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 55: Maintenance
Maintenance 50 ● 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 56: Maintenance
Maintenance 51 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 57: Maintenance
Maintenance 52 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 gasoline is highly flammable, and its va- pors are flammable and explosive. ● if you have any question about properly doing this procedure, consul...
Page 58: Maintenance
Maintenance 53 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 59: Trouble Recovery
Trouble recovery 54 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 60: Trouble Recovery
Trouble recovery 55 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 61: Trouble Recovery
Trouble recovery 56 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 62: Trouble Recovery
Trouble recovery 57 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 63: Trouble Recovery
Trouble recovery 58 ● 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 operation. Loss of engine power means the loss of most steering control. Also...
Page 64: Trouble Recovery
Trouble recovery 59 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. Emu29671 engine fails to operate em...
Page 65
U60r26e0.Book page 60 monday, april 26, 2010 3:27 pm.
Page 66
Yamaha motor co., ltd. Printed in france april 2010–0.3 × 1 cr u60r26e0.Book page 1 monday, april 26, 2010 3:27 pm.