Yamaha FZ1-N Service Manual page 333

EAS27190
TROUBLESHOOTING
The starter motor fails to turn.
NOTE:
• Before troubleshooting, remove the following part(s):
1 Rider and passenger seat
2 Fuel tank
3 Air filter case
1 Check the fuses.
(Main and ignition)
Refer to "CHECKING THE FUSES"
on page 8-97.
OK↓
2 Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-97.
OK↓
3 Check the starter motor operation.
Refer to "CHECKING THE STAR-
TOR MOTOR OPERATION" on
page 8-105.
OK↓
4 Check the starter motor.
Refer to "CHECKING THE
STARTER MOTOR" on page 5-42.
OK↓
5 Check the relay unit (starting circuit
cut-off relay).
Refer to "CHECKING THE
RELAYS" on page 8-100.
OK↓
6 Check the relay unit (diode).
Refer to "CHECKING THE
RELAYS" on page 8-100.
OK↓
7 Check the starter relay.
Refer to "CHECKING THE
RELAYS" on page 8-100.
OK↓
ELECTRIC STARTING SYSTEM
NG→
Replace the fuse(s).
NG→
• Clean the battery terminals.
• Recharge or replace the battery.
NG→
Replace the starter motor.
NG→
Repair or replace the starter motor.
NG→
Replace the relay unit.
NG→
Replace the relay unit.
NG→
Replace the starter relay.
8-9