Lighting System - Yamaha WR250F(N) Owner's Service Manual

LIGHTING SYSTEM

INSPECTION STEPS
Refer to the following flow chart when inspecting the ignition system for possible problems.
Check the bulb and bulb
socket.
Check the light switch.
Check the CDI magneto.
Check the entire lighting sys-
tem proper for connections.
Check the voltage regula-
tor.
NOTE:
Replace the bulb and/or bulb socket.
1) Seat
2) Fuel tank
Use the following special tool.
Pocket tester:
YU-3112-C/90890-03112
OK
OK
Lighting coil
OK
Improperly connected
OK
Out-put volt-
LIGHTING SYSTEM
No good
No good
No good
No good
age
Inductive tachometer:
YU-08036-B
Engine tachometer:
90890-03113
6 - 11
– +
ELEC
Replace the bulb and/
or bulb socket.
Replace.
Replace.
Repair or replace.
Replace.