Troubleshooting - Yamaha WR450FN 2022 Owner's Service Manual

EAM30283

TROUBLESHOOTING

The battery is not being charged.
TIP
Before troubleshooting, remove the following part(s):
1. Seat
2. Air scoop (left)
1. Check the entire charging system's
wiring.
OK
2. Check the fuse.
Refer to "CHECKING THE FUSES"
on page 8-59.
OK
3. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-60.
OK
4. Check the rectifier/regulator.
Refer to "CHECKING THE RECTI-
FIER/REGULATOR" on page 8-67.
OK
5. Check the stator coil assembly.
Refer to "CHECKING THE STA-
TOR COIL" on page 8-67.
OK
6. Check the charging system wire
harness.
Refer to "CIRCUIT DIAGRAM" on
page 8-11.
OK
This circuit is OK.
CHARGING SYSTEM
Reconnect.
NG
Replace the fuse(s).
NG
• Clean the battery terminals.
• Recharge or replace the battery.
NG
Replace the rectifier/regulator.
NG
Replace the stator coil assembly.
NG
Repair or replace the wire harness.
NG
8-13