Yamaha MT-03 Service Manual page 340

EAS27220
TROUBLESHOOTING
The battery is not being charged.
NOTE:
• Before troubleshooting, remove the following part(s):
1. Seats
2. Side panels (left and right)
3. Fuel tank
4. Battery cover
1. Check the fuses.
(Main)
Refer to "CHECKING THE FUSES"
on page 8-48.
OK
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-49.
OK
3. Check the stator coil.
Refer to "CHECKING THE
STATOR COIL" on page 8-56.
OK
4. Check the rectifier/regulator.
OK
5. Check the entire charging system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-11.
OK
The circuit is OK.
NG Replace the fuse(s).
• Clean the battery terminals.
NG
• Recharge or replace the battery.
Replace the stator assembly.
NG
Replace the rectifier/regulator.
NG
Properly connect or repair the charging
NG
system wiring.
8-13
CHARGING SYSTEM