Yamaha F100B - Page 323

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Check the wiring harnesses for
continuity.
Replace the starter relay.
Listen for the operation sound
of the starter relay.
Check the power unit.
Can the oper-
ation sound
be heard?
Yes
Yes
No
Is there conti-
nuity?
Replace the fuse.
Yes
No
Replace the engine shut-off
switch.
Is there conti-
nuity?
No
Yes
Check the fuse for continuity.
Replace the starter motor.
No
Check the starter motor opera-
tion.
Replace the wiring harnesses.
Is there conti-
nuity?
Yes
No
Good operat-
ing condition?
Power unit