Yamaha F80B Service Manual page 227

Is there
continuity?
Yes
Check the wiring harnesses for
continuity.
Is there
continuity?
Yes
Listen for the operation sound
of the starter relay.
Can the
operation sound
be heard?
Yes
Check the starter motor opera-
tion.
Good operating
condition?
Yes
Check the power unit.
6D93G11
No
Replace the fuse.
No
Replace the wiring harnesses.
No
Replace the starter relay.
No
Disassemble and check the
starter motor. (8-15, 8-16)
Power unit
1
2
3
4
5
6
7
8
9
9-6