Lighting System Inspection Steps - Yamaha WR450F(W) Owner's Service Manual

LIGHTING SYSTEM
INSPECTION STEPS
Refer to the following flow chart when inspecting the lighting system for possible problems.
Check the bulb and bulb
socket.
Check the taillight (LEDs).
Check the AC magneto.
Check the entire lighting
system proper for connec-
tions.
Check the rectifier/regulator.
NOTE:
• Remove the following parts before inspection.
1) Seat
2) Fuel tank
3) Left side cover
• Use the following special tool in this inspection.
Pocket tester:
YU-3112-C/90890-03112
OK
OK
OK
OK
LIGHTING SYSTEM
No good
No good
No good
Lighting coil
Improperly connected
Out-put
No good
voltage
6 - 23
– +
ELEC
Replace the bulb
and/or bulb socket.
Replace the taillight
assembly.
Replace.
Repair or replace.
Replace.