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Yamaha F50B Owner's Manual

Summary of F50B

  • Page 1

    Printed in japan august 2002-0.7 × 1 ! 62y-28199-1b (f50aet, ft50bet, f60aet, ft60bet) (e) printed on recycled paper f50b t50b f60b t60b owner’s manual u.S.A.Edition lit-18626-05-26 62y-9-1b hyoshi -2 7/12/02 11:13 page 1.

  • Page 2

    62y-9-1b hyoshi -2 7/12/02 11:13 page 2.

  • Page 3

    E thank you for choosing a yamaha out- board motor. This owner’s manual con- tains information needed for proper oper- ation, maintenance and care. A thorough understanding of these simple instruc- tions will help you obtain maximum enjoyment from your new yamaha. If you have any question about the ...

  • Page 4

    62y-9-1b-1 6/26/02 17:19 page 2.

  • Page 5

    E general information basic components operation maintenance trouble recovery index read this owner’s manual carefully before operating your outboard motor. 1 2 3 4 5 6 ema20010 contents 62y-9-1b-1 6/26/02 17:19 page 3.

  • Page 6

    62y-9-1b-1 6/26/02 17:19 page 4.

  • Page 7

    E 2 3 4 5 6 emb00010 chapter 1 general information identification numbers record ..1-1 outboard motor serial number...........1-1 key number...........................................1-1 emission control information...1-2 safety information..........................1-4 important labels ................

  • Page 8

    E 1-1 emu00005 identification numbers record emu00007 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 num- ber in the spaces provided to assist you in ordering spare parts from you...

  • Page 9

    E 1-2 ****** q w emu01385 emission control information emu01444 north american models this engine conforms to u.S. Environ- mental protection agency (epa) regula- tions for marine si engines. See the label affixed to your engine for details. Approval label of emission control certificate this label ...

  • Page 10

    1-3 e emu01389 star labels your outboard motor is labeled with a california air resources board (carb) star label. See below for a description of your particular label. 1 star label one star - low emission the one-star label identifies engines that meet the air resources board’s 2001 exhaust emissio...

  • Page 11

    1-4 e 8 this product emits exhaust gases which contain carbon monoxide, a colorless, odorless gas which may cause brain damage or death when inhaled. Symp- toms include nausea, dizziness, and drowsiness. Keep cockpit and cabin areas well ventilated. Avoid blocking exhaust outlets. 8 check throttle, ...

  • Page 12

    1-5 e 8 when a swimmer is in the water near you shift into neutral and shut off the engine. 8 be informed about boating safety. Addi- tional publications and information can be obtained from many organizations, including the following: united states coast guard consumer affairs staff (g-bc) office o...

  • Page 13

    1-6 e emb30011 important labels warning labels 1 caution labels 2 202011** q w warning 8 be sure shift control is in neutral before starting engine. (except 2hp) 8 do not touch or remove electrical parts when starting or during operation. 8 keep hands,hair,and clothes away from flywheel and other ro...

  • Page 14

    1-7 e emb40010* basic boating rules (rules of the road) just as there are rules which apply when you are driving on streets and high ways, there are waterway rules which apply when you are driving your boat. These rules are used internationally, and are also enforced by the united states coast guard...

  • Page 15

    1-8 e rules when encountering vessels there are three main situations which you may encounter with other vessels which could lead to a collision unless the steer- ing rules are followed: meeting (you are approaching another vessel head-on) crossing (you are travelling across the other vessel’s path)...

  • Page 16

    1-9 e its course and speed. You must stay out of its way until you are clear of it. Like- wise, if another vessel is passing you, you should maintain your speed and direction so that the other vessel can steer itself around you. Other special situations there are three other rules you should be awar...

  • Page 17

    1-10 e 1 1 a 1 1 proceeding toward head of navigation from seaward can buoy odd number. Leave to port. Or secondary channel buoys starts new numbering system old new c " 1" nun buoy even number. Leave to starboard n " 2" no change buoy color code black red green " a" " 2" " 1" " 3" " 4" " 5" " 7" n ...

  • Page 18

    1-11 e emb50410* fueling instructions w gasoline and its vapors are high- ly flammable and explosive! 8 do not smoke when refueling, and keep away from sparks, flames, or other sources of ignition. 8 stop engine before refueling. 8 refuel in a well-ventilated area. Refuel portable fuel tanks off the...

  • Page 19

    1-12 e gasohol there are two types of gasohol: gasohol containing ethanol and that containing methanol. Gasohol containing ethanol can be used if ethanol content does not exceed 10% and the fuel meets minimum octane ratings. Gasohol containing methanol is not recommended by yama- ha because it can c...

  • Page 20

    1-13 e emu01769 engine oil recommended engine oil: 4-stroke motor oil with a combination of corresponding sae and api as shown in the chart. C c all 4-stroke engines are shipped from the factory without engine oil. Engine oil quantity: see chapter 4, “specifications.” 001162 sae api se sf sg sh sj 1...

  • Page 21

    1-14 e emu01775 battery requirement c c do not use a battery that does not meet the specified capacity. If a battery which does not meet specifications is used, the electric system could perform poorly or be overloaded, causing electric system damage. For electric start models, choose a battery whic...

  • Page 22

    1-15 e yamaha outboard motors are fitted with propellers chosen to perform well over a range of applications, but there may be uses where a propeller with a different pitch would be more appropriate. For a greater operating load, a smaller-pitch propeller is more suitable as it enables the correct e...

  • Page 23

    1-16 e emu01209 start-in-gear protection yamaha outboard motors or yamaha approved remote control units are equipped with start-in-gear protection device(s). This feature permits the engine to be started only when it is neutral. Always select neutral before starting the engine. 62y-9-1b-1 6/26/02 17...

  • Page 24

    E -memo- 62y-9-1b-1 6/26/02 17:19 page 22.

  • Page 25

    Emc00010 chapter 2 basic components main components..............................2-1 operations of controls and other functions ................................2-2 fuel tank ................................................2-2 remote control .....................................2-3 trim tab ............

  • Page 26

    R u e w !7 !6 !4 !1 !5 i !0 o t y r r u !2 q w e !1 !3 2-1 e emu01206 main components 1 top cowling 2 cowling lock lever 3 oil drain bolt 4 anodes 5 anti-cavitation plate 6 trim tab (anode) 7 propeller 8 cooling water inlet 9 trim angle adjusting rod 0 clamp bracket q tilt support lever w flushing d...

  • Page 27

    2-2 e emc20010 operations of controls and other functions emc21012 fuel tank if your model was equipped with a portable fuel tank, its function is as fol- lows. 1 fuel hose joint 2 fuel meter (if equipped) 3 fuel tank cap 4 air vent screw (if equipped) emc31010 fuel hose joint this connector is prov...

  • Page 28

    E 2-3 701011* w q e r t u y r n f q w e r t y u u t r y 701031 000323 up dn emc80612 remote control both the shifter and the throttle are actu- ated by the remote control lever. In addi- tion, this control also has the electrical switches. 1 remote control lever 2 neutral interlock trigger 3 neutral...

  • Page 29

    E 2-4 n 701033* q w on start off 701021 emc50210 neutral throttle lever to open the throttle without shifting into either forward or reverse, place the remote control lever in the neutral posi- tion and lift the neutral throttle lever. Note: the neutral throttle lever will operate only when the remo...

  • Page 30

    E 2-5 000569 q w emc28210 engine stop lanyard switch the lock-plate on the end of the lanyard must be attached to the engine stop switch for the engine to run. The lanyard should be attached to a secure place on the operator’s clothing, or arm or leg. Should the operator fall overboard or leave the ...

  • Page 31

    E 2-6 up dn 701034* up dn 701035 emu01331 power trim/tilt switch the power trim/tilt adjusts the motor angle in relation to the transom. The power trim/tilt switch is located on the remote control lever grip. Pushing the switch “up” trims the motor up, then tilts the motor up. Pressing the switch “d...

  • Page 32

    Emu00113 trim tab the trim tab should be adjusted so that the steering control can be turned to either the right or left by applying the same amount of force. W an improperly adjusted trim tab may cause difficult steering. Always test run after the trim tab has been installed or replaced to be sure ...

  • Page 33

    E 2-8 emu01125 power trim/tilt switch the power trim/tilt adjusts the motor angle in relation to the transom. The power trim/tilt switch is located on the side of the bottom engine cowling. Push- ing the switch “up” trims the motor up, then tilts the motor up. Pressing the switch “dn” tilts the moto...

  • Page 34

    E 2-9 q t w r 001081 e y u 001085 emu01617 digital tachometer this gauge contains the tachometer, trim meter, hour meter, low oil pressure warn- ing indicator, and the overheat warning indicator. 1 tachometer 2 trim meter 3 hour meter 4 low oil pressure warning indicator 5 overheat warning indicator...

  • Page 35

    2-10 e 001059 emu01109 trim meter this meter shows the trim angle of your outboard motor. Note: 8 memorize the trim angles that work best for your boat under different condi- tions. Adjust the trim angle to the desired setting by operating the power trim and tilt switch. 8 if the trim angle of your ...

  • Page 36

    2-11 e 001060 q emu01110 low oil pressure warning indicator if oil pressure drops too low, the warning indicator will start to blink. Refer to the section “low oil pressure warning” for details. 1 low oil pressure warning indicator c c 8 do not operate the engine without oil. Serious engine damage w...

  • Page 37

    2-12 e 301011 emd62110 top cowling lock lever to remove the engine top cowling, pull up the lock lever. Then lift off the cowling. When replacing the cowling, check to be sure it fits properly in the rubber seal. Then lock the cowling again by moving the lever downward. 000971 emd60010 tilt support ...

  • Page 38

    E 2-13 001062 emd80010 warning system c c do not continue to operate the engine if the warning device has activated. Consult your yamaha dealer if the problem can- not be located and corrected. Emu00170 overheat warning this engine has an overheat warning device. If the engine temperature rises too ...

  • Page 39

    E 2-14 emu00173 low oil pressure warning if oil pressure drops too low, the warning device will activate. ( 1):included (—):n/a if the warning system has been activated, stop the engine as soon as it is safe to do so. Check oil level and add oil as needed. If the oil level is correct, consult your y...

  • Page 40

    E -memo- 62y-9-1b-2 6/28/02 14:41 page 16.

  • Page 41

    Emf00010 chapter 3 operation installation ........................................3-1 mounting the outboard motor............3-2 filling fuel ...........................................3-4 pre-operation checks ......................3-5 checking the engine oil level ..............3-6 breaking in (run...

  • Page 42

    E 3-1 emf10010 installation c c incorrect engine height or obstructions to smooth water flow (such as the design or condition of the boat or accessories such as transom ladders/depth finder trans- ducers) can create airborne water spray while the boat is cruising. Severe engine damage may result if ...

  • Page 43

    E 3-2 emf12012 mounting the outboard motor w improper mounting of the outboard motor could result in hazardous condi- tions such as poor handling, loss of con- trol, or fire hazards. Observe the follow- ing: 8 the information presented in this sec- tion is intended as reference only. It is not possi...

  • Page 44

    E 3-3 emu01299 mounting height to run your boat at optimum efficiency, the water-resistance (drag) of the boat and outboard motor must be made as lit- tle as possible. The mounting-height of the outboard motor greatly affects the water-resistance. If the mounting-height is too high, cavitation tends...

  • Page 45

    3-4 emf30211* filling fuel 1) remove the fuel tank cap. 2) fill the fuel tank carefully. 3) close the cap securely after refueling. Wipe up any spilled fuel. E 902055 emf21110 ring free fuel additive gasoline is a precise blend of many differ- ent substances, each chosen to give cer- tain characteri...

  • Page 46

    E 3-5 emf40012 pre-operation checks w if any item in the pre-operation check is not working properly, have it inspected and repaired before operating the out- board motor. Otherwise, an accident could occur. Emf41110 fuel 8 check to be sure you have plenty of fuel for your trip. 8 make sure there ar...

  • Page 47

    E 3-6 emf43510 engine 8 check the engine and engine mounting. 8 look for loose or damaged fasteners. 8 check the propeller for damage. C c do not start the engine out of water. Overheating and serious engine damage can occur. Emu01436 checking the engine oil level 1) put the outboard motor in an upr...

  • Page 48

    E 3-7 emf50312 breaking in (running in) engine your new engine requires a period of break-in (running-in) to allow mating sur- faces of moving parts to wear-in evenly. Correct break-in (running-in) will help ensure proper performance and longer engine life. C c failure to follow the break-in (runnin...

  • Page 49

    E 3-8 emu01147 starting engine w 8 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. 8 when the air vent screw is loosened, gasoline (petrol) vapor will be released. Gasoline (p...

  • Page 50

    E 3-9 n 701015 off 000977 on emu01000¯ procedure for remote control model 4) place the remote control lever in the neutral position. Note: the start-in-gear protection device pre- vents the engine from starting except when in neutral. 5) attach the engine stop switch lanyard to a secure place on you...

  • Page 51

    E 3-10 emu00949 electric start model 7) turn the main switch to “start”, and hold it for a maximum of 5 sec- onds. 8) immediately after the engine starts, release the main switch to return it to “on”. C c 8 do not turn the main switch to “start” when the engine is running. 8 do not keep the starter-...

  • Page 52

    E 3-11 emg00410 warming up engine 1) before beginning operation, allow the engine to warm up at idling speed for 3 minutes. (failure to do this will shorten engine life.) 2) be sure the low oil pressure warning lamp goes off after starting the engine. 3) check for a steady flow of water from the coo...

  • Page 53

    E 3-12 emg20111 shifting w before shifting, make sure there are no swimmers or obstacles in the water near you. C c to change the shifting position from for- ward to reverse or vice-versa, close the throttle first so that the engine idles (or runs at low speeds). Emu00264 forward pull up the neutral...

  • Page 54

    E 3-13 emg38010 stopping engine let it cool off for a few minutes at idle or low speed first. Stopping the engine immediately after operating at high speed is not recommended. Emu00276 procedure main switch equipped model 1) turn the main switch to “off”. 2) if the fuel joints are provided, discon- ...

  • Page 55

    E 3-14 emu01412 trimming outboard motor the trim angle of the outboard motor helps determine the position of the bow of the boat in the water. The correct trim angle will help improve performance and fuel economy while reducing strain on the engine. The correct trim angle depends upon the combinatio...

  • Page 56

    E 3-15 adjusting trim angle emu01401 power trim/tilt model w 8 be sure all people are clear of the out- board motor when adjusting the trim/tilt angle, also be careful not to pinch any body parts between the drive unit and clamp bracket. 8 use caution when trying a trim position for the first time. ...

  • Page 57

    E 3-16 emu01916 trim angle settings and boat handling when the boat is on plane, a bow-up atti- tude results in less drag, greater stability and efficiency. 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 tendency to steer to ...

  • Page 58

    E 3-17 emu01200 tilting up/down if the engine will be stopped for some time, or if the boat is moored in shallows, the engine should be tilted up to protect the propeller and casing from damage by collision with obstructions, and also to reduce salt corrosion. C c before tilting the motor, follow th...

  • Page 59

    E 3-18 emu01029 procedure for tilting up power trim/tilt model 1) remove the fuel-line connection from the motor. (if the fuel connector is provided on the motor.) 000971 304011* up dn 701034* up dn 302011 up dn 2) push the power trim/tilt switch “up” until the outboard has tilted up com- pletely. 3...

  • Page 60

    E 3-19 emh60010 cruising in other conditions cruising in salt water after operating in salt water, wash out the cooling-water passages with fresh water to prevent them from becoming clogged- up with salt deposits. Note: refer to cooling system flushing instruc- tions in “transporting and storing out...

  • Page 61

    Emk00010 chapter 4 maintenance specifications .....................................4-1 transporting and storing outboard motor ...............................4-3 trailering outboard motor...................4-3 storing outboard motor ......................4-4 periodic maintenance........................

  • Page 62

    4-1 e emk10111* specification data model unit f50trb item 18 (1.8, 13) 35 (3.5, 25) 18 (1.8, 13) 18 (1.8, 13) 8spark plug n•m (kgf•m,lb•ft) 8propeller nut n•m (kgf•m,lb•ft) 8engine oil drain bolt n•m (kgf•m,lb•ft) 8engine oil filter n•m (kgf•m,lb•ft) dimensions performance 8overall length mm (in.) 8...

  • Page 63

    T50trb f60trb t60trb 4-stroke, l4 935 (57.1) 63.0 × 75.0 (2.48 × 2.95) 0.15~0.25 (0.006~0.010) 0.25~0.35 (0.010~0.014) c.D.I system dpr6ea-9 0.8 ~ 0.9 (0.031~0.035) remote control electric start 380 502 124 12-10 prime start system 4-2 e 18 (1.8, 13) 35 (3.5, 25) 18 (1.8, 13) 18 (1.8, 13) 718 (28.3)...

  • Page 64

    4-3 emu00326 trailering outboard motor the motor should be trailered and stored in the normal running position. If there is insufficient road clearance in this position, then trailer the motor in the tilt position using a motor support device such as a transom saver bar. For further details, consult...

  • Page 65

    4-4 e emk16210 storing outboard motor when storing your yamaha outboard for prolonged periods of time, (2 months or longer), several important procedures must be performed to prevent expensive damage. It is advisable to have your outboard ser- viced by an authorized yamaha dealer prior to storage. H...

  • Page 66

    4-5 e 605014 emk22611 flushing cooling system and fogging engine cooling system flushing is essential to prevent the cooling system from clogging up with salt, sand, or dirt. In addition, fog- ging of the engine is mandatory to pre- vent expensive engine damage due to rust. Perform the flushing and ...

  • Page 67

    4-6 e emk26011 lubrication 1) remove the spark plugs, and spray a 10 second spray of yamaha “stor- rite engine fogging oil” into each cylinder. Grease the spark plug threads and reinstall the spark plugs and torque to proper specification. (refer to the “cleaning and adjusting spark plug”). 2) turn ...

  • Page 68

    4-7 e emk29010 battery care w battery electrolyte is poisonous and dan- gerous, causing severe burns, etc. It con- tains sulfuric acid. Avoid contact with skin, eyes, or clothing. Antidote: external; flush with water. Internal; drink large quantities of water or milk. Follow with milk of mag- nesia,...

  • Page 69

    4-8 e emu01569 periodic maintenance w be sure to turn off the engine when you perform maintenance unless otherwise specified. If the owner is not familiar with machine servicing, this work should be done by a yamaha dealer or other quali- fied mechanic. Maintenance, replacement, or repair of the emi...

  • Page 70

    4-9 e spark plug cleaning/adjustment/ ● ● ● 4-11 replacement greasing points greasing ● 4-10 gear oil change ● ● 4-24 fuel system inspection ● 4-13 fuel filter inspection/replacement ● ● ● 4-14 fuel tank cleaning ● 4-25 idling speed adjustment ● ● 4-16 anode inspection/replacement 1 1 4-27 outboard ...

  • Page 71

    4-10 e emu00366 greasing yamaha marine grease (water resistant grease) 000567 62y-9-1b-4 7/9/02 11:19 page 11.

  • Page 72

    4-11 emu01202 cleaning and adjusting spark plug w when removing or installing a spark plug, be careful not to damage the insulator. A damaged insulator could allow external sparks, which could lead to explosion or fire. The spark plug is an important engine component and is easy to inspect. The cond...

  • Page 73

    4-12 when fitting the plug, always clean the gasket surface and use a new gasket. Wipe off any dirt from the threads and screw in the spark plug to the correct torque. Note: if a torque-wrench is not available when you are fitting a spark plug, a good esti- mate of the correct torque is 1/4 to 1/2 a...

  • Page 74

    4-13 emk38010 checking fuel system w gasoline (petrol) and its vapors are highly flammable and explosive. Keep away from sparks, cigarettes, flames or other sources of ignition. Check the fuel line for leaks, cracks, or malfunctions. If any problem is found, it should be repaired immediately by yama...

  • Page 75

    4-14 e emu00370 inspecting fuel filter w gasoline (petrol) is highly flammable, and its vapors are flammable and explosive. 8 if you have any question about properly doing this procedure, consult your yamaha dealer. 8 do not perform this procedure on a hot or running engine. Allow the engine to cool...

  • Page 76

    4-15 e 000960 000309 q e w r t emu01577 f60, t60 note: if any water is in the fuel, the float 5 will rise. If so, remove the cup and drain the water. 1) remove the nut holding the fuel filter assembly if so equipped. 2) unscrew the filter cup 1, catching any spilled fuel in a rag. 3) remove the filt...

  • Page 77

    4-16 e emu00376 adjusting idling speed w 8 do not touch or remove electrical parts when starting or during operation. 8 keep hands, hair and clothes away from flywheel and other rotating parts while engine is running. C c this procedure must be performed while the outboard motor is in the water. A f...

  • Page 78

    4-17 e emu01415 changing engine oil w 8 avoid draining the engine oil immedi- ately after stopping the engine. The oil is hot and should be handled with care to avoid burns. 8 be sure the outboard is securely fas- tened to the transom or a stable stand. C c 8 change the engine oil after the first 10...

  • Page 79

    4-18 e note: if a torque wrench is not available when you are installing the drain plug, finger tighten the bolt just until the gasket comes into contact with the surface of the drain hole. Then tighten 1/4 - 1/2 turn. Have the drain plug torqued to the correct value with a torque wrench as soon as ...

  • Page 80

    4-19 e 6) turn off the engine and wait 3 min- utes. Recheck 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. 7) dispose of used oil according to l...

  • Page 81

    4-20 e emk78010 checking wiring and connectors 1) check that each grounding wire is properly secured. 2) check that each connector is engaged securely. Exhaust leakage start the engine and check that no exhaust leaks from the joints between the exhaust cover, cylinder head and crank case. Water leak...

  • Page 82

    4-21 e emu00992 checking power trim and tilt system w 8 never get under the lower unit while it is tilted, even when the tilt-support lever is locked. Severe injury could occur if the outboard accidentally falls. 8 make sure no one is under the out- board before performing this test. 1) check the po...

  • Page 83

    4-22 e eml08011 checking propeller w you could be seriously injured if the engine accidentally starts while you are near the propeller. 8 before inspecting, removing or installing the propeller, remove the spark plug caps from the spark plugs. Also, put the shift control in neutral, put the main swi...

  • Page 84

    4-23 e emu00397 installing the propeller c c 8 be sure to install the thrust washer before installing propeller, otherwise, lower case and propeller boss may be damaged. 8 be sure to use a new cotter pin and bend the ends over securely. Other- wise, the propeller could come off dur- ing operation an...

  • Page 85

    4-24 e emu01460 changing gear oil w 8 be sure the outboard is securely fas- tened to the transom or a stable stand. You could be severely injured if the out- board falls on you. 8 never get under the lower unit while it is tilted, even when the tilt-support lever/knob is locked. Severe injury could ...

  • Page 86

    4-25 e 000377 5) with the outboard motor in a vertical position, and using a flexible or pres- surized filling device, inject the gear oil into the oil drain plug hole. 6) when the oil begins to flow out of the oil level plug hole, insert and tighten the oil level plug. 7) insert and tighten the oil...

  • Page 87

    4-26 e to clean the fuel tank 1) empty the fuel tank into an approved gasoline (petrol) container. 2) pour a small amount of suitable sol- vent in the tank. Reinstall the cap and shake the tank. Drain the solvent completely. To clean the fuel filter 1) remove the screws holding the fuel hose joint a...

  • Page 88

    604025 4-27 e emu00831 inspecting and replacing anode(s) yamaha outboard motor is protected from corrosion by a sacrificial anode(s). Check the anode(s) periodically. Remove the scales from surfaces of the anode(s). For the inspection and replacement of the anode(s), consult a yamaha dealer. C c do ...

  • Page 89

    E 4-28 eml26010 checking battery (for electric start model) w battery electrolytic fluid is dangerous; it contains sulfuric acid and therefore is poi- sonous and highly caustic. Always follow these preventive mea- sures: 8 avoid bodily contact with electrolytic fluid as it can cause severe burns or ...

  • Page 90

    4-29 e c c a poorly maintained battery will quickly deteriorate. 1) check the electrolyte level at least once a month. Fill to the manufactur- er’s recommended level when neces- sary. Top up only with distilled water (or pure de-ionized water suitable to use in batteries). C c ordinary tap-water con...

  • Page 91

    4-30 e emu01279 connecting the battery w mount the battery holder securely in a dry, well-ventilated, vibration-free loca- tion in the boat. Install a fully charged battery in the holder. C c 8 make sure the main switch (on applica- ble models) is “off” before working on the battery. 8 reversal of t...

  • Page 92

    4-31 e eml40010 checking bolts and nuts 1) check that bolts securing the cylinder head and engine and the nut securing the flywheel are tightened with their specified tightening torques. 2) check the tightening torques of other bolts and nuts. Emu00409 motor exterior emu00410 cleaning the outboard m...

  • Page 93

    4-32 e emu00412 checking painted surface of motor check the 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 a yamaha dealer. Emu00413 coating the boat bottom a clean hull im...

  • Page 94

    E -memo- 62y-9-1b-4 7/9/02 11:19 page 34.

  • Page 95

    Emn00010 chapter 5 trouble recovery troubleshooting ..............................5-1 temporary action in emergency ............................................5-5 impact damage.....................................5-5 power trim/tilt will not operate ...........5-5 starter will not operate ............

  • Page 96

    5-1 e emu01204¯ troubleshooting a problem in the fuel, compression, or ignition systems can cause poor starting, loss of power, or other problems. The troubleshooting chart describes basic checks and possi- ble remedies. (this chart covers all yamaha outboard motors. Therefore, some items may not ap...

  • Page 97

    5-2 e c. Engine idles irregularly or stalls. Trouble possible cause remedy 1. Spark plug(s) fouled or incorrect type. 2. Fuel system obstructed. 3. Fuel contaminated or stale. 4. Fuel filter clogged. 5. Failed ignition parts. 6. Warning system activated. 7. Spark plug gap incorrect. 8. Poor connecti...

  • Page 98

    5-3 e d. Warning buzzer sounds or indicator lamp lights. Trouble possible cause remedy 1. Cooling system clogged. 2. Engine oil level low. 3. Heat range of spark plug incorrect. 4. Specified engine oil not used. 5. Engine oil contaminated or deteriorated. 6. Oil filter clogged. 7. Oil feed/injection...

  • Page 99

    5-4 e trouble possible cause remedy 13. Poor connections or damaged ignition wiring. 14. Failed ignition parts. 15. Specified engine oil not used. 16. Thermostat faulty or clogged. 17. Air vent screw closed. 18. Fuel pump damaged. 19. Fuel joint connection incorrect. 20. Heat range of spark plug inc...

  • Page 100

    5-5 emn20010 temporary action in emergency emu01492 impact damage w the outboard motor can be seriously damaged by a collision while operating or trailering. Damage could make the out- board motor unsafe to operate. If the outboard motor hits any object in the water, follow the procedure below. 1) s...

  • Page 101

    5-6 e emn30611 starter will not operate if the starter mechanism does not operate (engine cannot be cranked with the starter), the engine can be started with an emergency starter rope. W 8 use this procedure only in an emer- gency and only to return to port for repairs. 8 when the emergency starter ...

  • Page 102

    5-7 e emu00429¯ emergency starting engine 1) remove the top cowling. 001675 2) remove the flywheel cover upward. 208013 3) prepare the engine for starting. See “starting engine” for procedures. Be sure the engine is in neutral and that the lanyard is attached to the engine stop lanyard switch. The m...

  • Page 103

    5-8 e emu00446 treatment of submerged motor if the outboard motor is submerged, immediately take it a yamaha dealer. Oth- erwise, some corrosion may begin almost immediately. If you cannot immediately take the out- board motor to a yamaha dealer, follow the procedure bellow for taking care to minimi...

  • Page 104

    E -memo- 62y-9-1b-5 6/26/02 17:57 page 10

  • Page 105

    Emp00010 chapter 6 index index ........................................................6-1 1 2 3 4 5 6 e 62y-9-1b-6 6/26/02 18:00 page 1.

  • Page 106

    6-1 e emp10010 index a adjusting idling speed ..........................4-16 adjusting trim angle ..............................3-15 air vent screw...........................................2-2 b basic boating rules ..................................1-7 battery care.....................................

  • Page 107

    6-2 e o operations of controls and other functions .........................................2-2 outboard motor serial number ..............1-1 overheat warning ..................................2-13 overheat warning indicator..................2-11 p periodic maintenance.................................

  • Page 108

    Emu01599 important warranty information for u.S.A. And canada welcome to the yamaha family! Congratulations on the purchase of your new yamaha marine power. Yamaha is commit- ted to exceptional customer satisfaction, and we want your ownership experience to be a satisfying one. Please read the follo...

  • Page 109

    5. Your warranty applies specifically to repairs made in the country of purchase. If your u.S.-purchased yamaha needs warranty service while in canada, or your canadian pur- chased yamaha needs service while in the united states, yamaha will assist the local dealer whenever possible. However, some p...

  • Page 110

    Emu01404 yamaha motor corporation, u.S.A. Four-stroke outboard motor three-year limited warranty yamaha motor corporation, u.S.A. Hereby warrants that new yamaha 1999-or-later model four-stroke outboard motors originally dis- tributed by yamaha motor corporation, u.S.A. Will be free from defects in ...

  • Page 111

    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, and anodes, are not covered by warranty. Charges for...

  • Page 112

    Customer service if your machine requires warranty service, you must take it to any authorized yamaha outboard dealer within the continental united states. Be sure to bring your warranty registration identification or other valid proof of the original date of purchase. If a question or problem arise...

  • Page 113

    Emu01178 important warranty information if you use your yamaha outside u.S.A. Or canada welcome to the yamaha family! Congratulations on the purchase of your new yamaha marine power. Yamaha is com- mitted to exceptional customer satisfaction, and we want your ownership experience to be a satisfying ...

  • Page 114

    62y-9-1b-6 6/26/02 18:00 page 10

  • Page 115

    67k-9-14-1 2/28/02 11:23 am page 2.

  • Page 116: F50B

    Printed in japan august 2002-0.7 × 1 ! 62y-28199-1b (f50aet, ft50bet, f60aet, ft60bet) (e) printed on recycled paper f50b t50b f60b t60b owner’s manual u.S.A.Edition lit-18626-05-26 62y-9-1b hyoshi -2 7/12/02 11:13 page 1.

  • Page 117

    Yamaha motor co., ltd. Made in japan pays d'origine japon outboard motor warranty registration enregistrement de la garantie du moteur hors-bord please complete and mail this card. This information is necessary to accurately register your unit for warranty. Veuillez signer ci-dessous pour attester q...

  • Page 118

    Place postage here attn: warranty department warranty card 2/27/02 11:47 am page 2.