Troubleshooting - Yamaha MBK MW125 2014 Service Manual

EAS30497

TROUBLESHOOTING

The battery is not being charged.
TIP
• Before troubleshooting, remove the following part(s):
1. Fuse box cover
2. Center cover
1. Check the fuse.
(Main)
Refer to "CHECKING THE FUS-
ES" on page 8-59.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-60.
OK ↓
3. Check the stator coil.
Refer to "CHECKING THE STATOR
COIL" on page 8-66.
OK ↓
4. Check the rectifier/regulator.
Refer to "CHECKING THE RECTI-
FIER/REGULATOR" on page 8-66.
OK ↓
5. Check the entire charging system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-11.
OK ↓
The charging system circuit is OK.
NG →
Replace the fuse.
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the stator coil assembly.
NG →
Replace the rectifier/regulator.
NG →
Properly connect or replace the wire har-
ness.
8-13
CHARGING SYSTEM