ignition YAMAHA WR 250F 2003 Owner's Manual

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–+ELECLIGHTING SYSTEM
LIGHTING SYSTEM
INSPECTION STEPS
Refer to the following flow chart when inspecting the ignition system for possible problems.
NOTE:Replace the bulb and/or bulb socket.
1) Seat
2) Fuel tank
Use the following special tool.
Check the bulb and bulb socket.Replace the bulb and/or
bulb socket.
Check the light switch. Replace.
Check the AC magneto. Lighting coil Replace.
Check the entire lighting system
proper for connections.Repair or replace.
Check the rectifier/regulator. Out-put voltage Replace.
Pocket tester:
YU-3112-C/
90890-03112
Inductive tachometer:
YU-8036-B
Engine tachometer:
90890-03113
No good
OK
No good
OK
No good
OK
Improperly connected
OK
No good