Elec - Yamaha 250GETO Service Manual

ELEC

Checking the electrical component .............................................................8-1
Measuring the peak voltage ......................................................................8-1
Electrical component .....................................................................................8-2
Port view ....................................................................................................8-2
Starboard view...........................................................................................8-3
Junction box...............................................................................................8-4
Aft view ......................................................................................................8-6
Top view.....................................................................................................8-7
Ignition and ignition control system ............................................................8-8
Checking the ignition spark gap ................................................................8-8
Checking the spark plug cap .....................................................................8-8
Checking the ignition coil...........................................................................8-9
Checking the CDI unit................................................................................8-9
Checking the pulser coil ..........................................................................8-10
Checking the crank position sensor.........................................................8-11
Checking the crank position sensor air gap ............................................8-12
Checking the engine temperature sensor ...............................................8-12
Checking the charge coil .........................................................................8-13
Checking the thermoswitch .....................................................................8-14
Checking the shift cut switch ...................................................................8-14
Starting system ............................................................................................8-15
Checking the fuse ....................................................................................8-15
Checking the engine start switch.............................................................8-15
Checking the engine stop lanyard switch ................................................8-16
Checking the starter relay........................................................................8-16
Starter motor ................................................................................................8-17
Removing the starter motor pinion ..........................................................8-18
Checking the starter motor pinion ...........................................................8-18
Checking the armature ............................................................................8-18
Checking the brush..................................................................................8-19
Checking the starter motor operation ................................................................8-19
Checking the choke solenoid...................................................................8-19
Charging system ..........................................................................................8-20
Checking the lighting coil.........................................................................8-20
Checking the Rectifier Regulator.............................................................8-20
Checking the hour meter .........................................................................8-22
Oil feed pump control system ....................................................................8-22
Checking the oil level sensor...................................................................8-22
Checking the emergency switch..............................................................8-23
Checking the oil pump (remote oil tank)..................................................8-23
6S35H11
Electrical system
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