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15 HP electric start Evinrude no spark

dabowhunter

New member
So no spark to either cylinder. Disconnected stop switch wire still no spark. Per manual charge coil test was good. Also did sensor coil test, good as well. Power pack output test failed on both leads. Manual says to replace power pack. I also checked the plug wires. Couldn't see any broken or bare wires anywhere. Does changing the power pack sound like my next step? What about the CDI unit, is there a test for that? Don't know what to make of black epoxy like residue on rectifier and starter. Inspected back of rectifier and it looked ok, don't think it could of reached from charger coil and it tested ok. Help appreciated
 
If it failed while it was stored awhile, yes the cdi can die. Did it fail while in operation, or after hitting something?
 
I recently bought this motor. Previous owner said it was an occasional no spark. It wasn't sparking at all after i got it home. Replaced power pack and now good spark.
 
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