Yamaha WR250F(P), Owner'S Service Manual

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ELEC
6 - 12
LIGHTING 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 CDI magneto. Lighting coil Replace.
Check the entire lighting sys-
tem proper for connections.
Repair or replace.
Check the voltage regula-
tor.
Out-put volt-
age
Replace.
Pocket tester:
YU-3112-C/90890-03112
Inductive tachometer:
YU-8036-B
Engine tachometer:
90890-03113
OK
OK
OK
OK
No good
No good
Improperly connected
No good
No good