1988 Yamaha 150 ProV No Spark

reb0707

Seaman Apprentice
Joined
May 29, 2011
Messages
45
Hi All, I just replaced The CDI or power pack or brain as it is sometimes refered to. My previous one was not working on 2 cylinders. Bought a used one and ran great on a 20 minute test run. Came in flushed the motor out, no problem. This was 2 days ago. I checked the fuse in the lower wiring harnes. Perfect. Still no spark. Any Idea what I might check next?
 
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