Yamaha 9.9 Stator Failures

Post here for issues with outboard engines (i.e Yamaha 9.9) on PDQ yachts
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Kokomo
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Yamaha 9.9 Stator Failures

Post by Kokomo »

Stator problems with Yamaha 9.9.

Our 9.9 Yamaha has 936 hours and is on its third stator. The last on only lasted 43 hours. Is there some other faulty component that would be causing the stator failure?
:(
Roger and Bonnie
Allezcat
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Post by Allezcat »

Roger

Suggest you replace the CDI unit. I believe it can cause excessive currents in the windings of the stator resulting in burnt out coils. Check also to make sure the flywheel is not contacting the pole pieces.

Chet / Allezcat
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