Troubleshooting - Yamaha YZF-R1 2007 Service Manual

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
EAS27230

TROUBLESHOOTING

The battery is not being charged.
NOTE:
• Before troubleshooting, remove the following part(s):
1 Rider seat
2 Fuel tank
3 Air filter case
1 Check the fuse.
(Main)
Refer to "CHECKING THE FUSES"
on page 8-89.
OK↓
2 Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-89.
OK↓
3 Check the stator coil
Refer to "CHECKING THE STATOR
COIL" on page 8-97.
OK↓
4 Check the rectifier/regulator.
Refer to "CHECKING THE RECTI-
FIER/REGULATOR" on page 8-97.
OK↓
5 Check the entire charging system's
wiring.
Refer to "CHARGING SYSTEM" on
page 8-11.
OK↓
This circuit is OK.
email: info@motomatrix.co.uk
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.
8-13