Yamaha 40 cross polarity

Ooo no

Recruit
Joined
Nov 11, 2024
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2
My son had wired the battery up wrong to our Yamaha 42/over replaced the fuse in the motor. There’s power to the motor but it won’t turn over. Anyone. Got any ideas? Please help.
 

Ooo no

Recruit
Joined
Nov 11, 2024
Messages
2
Iv got a Yamaha 402 stroke 2000 when connecting battery it was wrong polarity replaced fuse in motor but still nothing cant see any burnt wires even motor tilt won’t work any ideas
 

Scott Danforth

Grumpy Vintage Moderator still playing with boats
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Joined
Jul 23, 2011
Messages
49,538
isolate the systems. first, start with the starter on the bench. does the starter work?
 
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