Yamaha 250GETO, Service Manual

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Periodic check and adjustment
Maintenance interval chart .......................................................................... 3-1
Top cowling .................................................................................................. 3-2
Checking the top cowling ......................................................................... 3-2
Fuel system .................................................................................................. 3-2
Checking the fuel joint and fuel hose (fuel joint-to-carburetor) ............... 3-2
Checking the fuel filter .............................................................................. 3-2
Power unit ..................................................................................................... 3-3
Checking the engine oil level .................................................................... 3-3
Checking the spark plug .......................................................................... 3-3
Checking the thermostat ......................................................................... 3-3
Checking the cooling water passage.........................................................3-4
Control system ............................................................................................. 3-5
Synchronizing the carburetor ................................................................... 3-5
Checking the throttle sensor .................................................................... 3-6
Checking the engine idle speed .............................................................. 3-7
Checking the stopper and throttle link position ....................................... 3-7
Adjusting the throttle cable ...................................................................... 3-8
Checking the gear shift operation ............................................................ 3-9
Checking the ignition timing .................................................................... 3-9
Checking the choke solenoid ................................................................. 3-10
Bracket ........................................................................................................ 3-10
Checking the PTT operation .................................................................. 3-10
Checking the PTT fluid level ...................................................................3-11
Lower unit ................................................................................................... 3-11
Checking the gear oil level .................................................................... 3-11
Changing the gear oil ............................................................................ 3-12
Checking the lower unit for air leakage ................................................. 3-13
Checking the propeller ........................................................................... 3-13
General ........................................................................................................ 3-13
Checking the anode ............................................................................... 3-13
Checking the battery ............................................................................. 3-14
Lubricating the outboard motor ............................................................. 3-14
CHK
ADJ
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