Yamaha F40B - Periodic Check and Adjustment

67C3K11
CHK
ADJ
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9
Periodic check and adjustment
Maintenance interval chart............................................................................3-1
Top cowling ....................................................................................................3-3
Checking the top cowling...........................................................................3-3
Fuel system ....................................................................................................3-3
Checking the fuel joint and fuel hose (fuel joint to carburetor) ..................3-3
Checking the fuel filter ...............................................................................3-3
Draining the fuel ........................................................................................3-4
Power unit.......................................................................................................3-4
Checking the engine oil .............................................................................3-4
Changing the engine oil.............................................................................3-4
Replacing the oil filter ................................................................................3-5
Checking the timing belt ............................................................................3-6
Checking the spark plug ............................................................................3-6
Checking the thermostat............................................................................3-7
Checking the cooling water passage.........................................................3-7
Control system...............................................................................................3-8
Adjusting the throttle link ...........................................................................3-8
Adjusting the throttle cable ........................................................................3-8
Checking the gear shift operation..............................................................3-9
Checking the start-in-gear protection (M and W model)..........................3-10
Checking the engine idle speed ..............................................................3-11
Checking the ignition timing.....................................................................3-11
Bracket unit ..................................................................................................3-12
Checking the steering operation (H model) .............................................3-12
Checking the tilt operation .......................................................................3-12
Checking the PTT fluid level....................................................................3-13
Lower unit.....................................................................................................3-13
Checking the gear oil...............................................................................3-13
Changing the gear oil ..............................................................................3-13
Checking the lower unit for air leakage ...................................................3-14
Checking the propeller.............................................................................3-15
General..........................................................................................................3-15
Checking the anode.................................................................................3-15
Checking the battery................................................................................3-16
Lubricating the outboard motor................................................................3-17