Yamaha 2009 YZF-R1 (Y) - The Starter Motor Fails to Turn

ELECTRIC STARTING SYSTEM
8-11
EAS27190
TROUBLESHOOTING
The starter motor fails to turn.
TIP
• Before troubleshooting, remove the following part(s):
1. Rider seat
2. Passenger seat
3. Heat protector
4. Side cowlings
NG→
OK↓
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NG→
OK↓
1. Check the fuses.
(Main and ignition)
Refer to “CHECKING THE FUSES”
on page 8-125.
Replace the fuse(s).
2. Check the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-125.
• Clean the battery terminals.
• Recharge or replace the battery.
3. Check the starter motor operation.
Refer to “CHECKING THE
STARTER MOTOR OPERATION”
on page 8-134.
Starter motor is OK. Perform the elec-
tric starting system troubleshooting,
starting with step 5.
4. Check the starter motor.
Refer to “CHECKING THE
STARTER MOTOR” on page 5-48.
Repair or replace the starter motor.
5. Check the relay unit (starting circuit
cut-off relay).
Refer to “CHECKING THE
RELAYS” on page 8-129.
Replace the relay unit.
6. Check the relay unit (diode).
Refer to “CHECKING THE RELAY
UNIT (DIODE)” on page 8-131.
Replace the relay unit.
7. Check the starter relay.
Refer to “CHECKING THE
RELAYS” on page 8-129.
Replace the starter relay.