Troubleshooting - Yamaha FZ 25 2021 Supplementary Service Manual

TROUBLESHOOTING

The battery is not being charged.
TIP
• Before troubleshooting, remove the following part(s):
1. Passenger and rider seat
2. Right side cover
1. Check the fuse.
Refer to "CHECKING THE FUSES"
on page 6-106.
OK
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" in base
service manual B97-F8197-E0 on
page 7-62.
OK
3. Check the stator coil.
Refer to "CHECKING THE STATOR
COIL" in base service manual
B97-F8197-E0 on page 7-68.
OK
4. Check the rectifier/regulator.
Refer to "CHECKING THE
RECTIFIER/REGULATOR" in base
service manual B97-F8197-E0 on
page 7-69.
OK
5. Check the entire charging system
wiring.
Refer to "CIRCUIT DIAGRAM" in
base service manual B97-F8197-E0
on page 7-11.
OK
The charging system circuit is OK.
CHARGING SYSTEM
NG
Replace the fuse.
NG
• Clean the battery terminals.
• Recharge or replace the battery.
NG
Replace the crankshaft position
sensor/stator assembly.
NG
Replace the rectifier/regulator.
NG
Properly connect or repair the charging
system wiring.
6-12
ELEC
– +