Yamaha FZ 25 2021 - Troubleshooting

6-12
–+
ELEC
CHARGING SYSTEM
TROUBLESHOOTING
The battery is not being charged.
TIP
• Before troubleshooting, remove the following part(s):
1. Passenger and rider seat
2. Right side cover
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
1. Check the fuse.
Refer to “CHECKING THE FUSES”
on page 6-106.
Replace the fuse.
2. Check the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” in base
service manual B97-F8197-E0 on
page 7-62.
• Clean the battery terminals.
• Recharge or replace the battery.
3. Check the stator coil.
Refer to “CHECKING THE STATOR
COIL” in base service manual
B97-F8197-E0 on page 7-68.
Replace the crankshaft position
sensor/stator assembly.
4. Check the rectifier/regulator.
Refer to “CHECKING THE
RECTIFIER/REGULATOR” in base
service manual B97-F8197-E0 on
page 7-69.
Replace the rectifier/regulator.
5. Check the entire charging system
wiring.
Refer to “CIRCUIT DIAGRAM” in
base service manual B97-F8197-E0
on page 7-11.
Properly connect or repair the charging
system wiring.
The charging system circuit is OK.
B9X-F8197-E0.book Page 12 Thursday, July 16, 2020 2:28 PM