Yamaha F50F Service Manual page 49

CHK
ADJ
Special service tools .....................................................................................3-1
Maintenance interval chart............................................................................3-2
Top cowling .................................................................................................... 3-3
Checking the top cowling...........................................................................3-3
Fuel system .................................................................................................... 3-3
Checking the fuel joint and fuel hoses (fuel joint-to-fuel injector) ..............3-3
Checking the fuel filter ............................................................................... 3-3
Power unit....................................................................................................... 3-3
Checking the engine oil level..................................................................... 3-3
Changing the engine oil using an oil changer............................................3-4
Changing the engine oil by draining it .......................................................3-4
Replacing the oil filter ................................................................................ 3-5
Checking the timing belt ............................................................................3-6
Replacing the timing belt ...........................................................................3-6
Checking the spark plugs ..........................................................................3-8
Checking the thermostat............................................................................3-9
Checking the cooling water passage.......................................................3-10
Control system ............................................................................................. 3-10
Checking the engine idle speed ..............................................................3-10
Adjusting the throttle link and throttle cable............................................. 3-10
Checking the gear shift operation............................................................ 3-12
Bracket unit .................................................................................................. 3-13
Checking the power trim and tilt operation .............................................. 3-13
Checking the hydro tilt unit operation ......................................................3-13
Checking the power trim and tilt fluid level .............................................. 3-14
Lower unit ..................................................................................................... 3-14
Checking the gear oil level ...................................................................... 3-14
Changing the gear oil .............................................................................. 3-15
Checking the lower unit for air leakage ...................................................3-15
Checking the propeller............................................................................. 3-16
General..........................................................................................................3-16
Checking the anodes............................................................................... 3-16
Checking the battery................................................................................ 3-17
Lubricating the outboard motor................................................................3-18
6C13G11
Periodic checks and adjustments
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3
4
5
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7
8
9