Yamaha YZF-R1(B) 2012 Service Manual page 412

EAS27230
TROUBLESHOOTING
The battery is not being charged.
TIP
• Before troubleshooting, remove the following part(s):
1. Rider seat
2. Right side cowling
1. Check the fuse.
(Main)
Refer to "CHECKING THE FUSES"
on page 8-129.
OK↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-129.
OK↓
3. Check the stator coil.
Refer to "CHECKING THE STATOR
COIL" on page 8-139.
OK↓
4. Check the rectifier/regulator.
Refer to "CHECKING THE RECTI-
FIER/REGULATOR" on page 8-
139.
OK↓
5. Check the entire charging system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-13.
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 stator coil assembly.
NG→
Replace the rectifier/regulator.
NG→
Properly connect or repair the charg-
ing system's wiring.
8-15