Yamaha VK540EF, Service Manual, Page: 354 / 439

7-19
STARTER MOTOR DOES NOT OPERATE.
WARNING
Before starter motor operation, push the “ENGINE STOP” switch to “OFF”.
1. Connect:
Starter relay terminals
(battery side and starter motor side)
Jumper lead
2. Check:
Starter motor operation
Check the battery and connectors.
NO
OK
1. Disconnect:
Starter relay connector
2. Connect:
Starter relay connector terminals
Jumper lead
3. Check:
Starter motor operation
Replace the starter relay.
NO
OK
A
1
NO
Replace and / or charge the
battery.
Repair and / or replace the starter motor.
OK
WARNING
A wire for the jumper lead must have the
equivalent capacity as that of the battery
lead or more, otherwise it may cause the
jumper lead to be burned.
This check is likely to produce sparks, so
be sure that no flammable gas or fluid is in
the vicinity.
B
1
1
ELECTRICAL STARTING SYSTEM
ELEC
TROUBLESHOOTING