1996 yamaha 225 piston knock

Chris Specht

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Joined
Aug 21, 2008
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At low RPM with engine cover off I noticed a knocking sound. You dont hear it with the cover on. I was told it sounded like a #2 piston knock and the engine would most likley need a rebuild soon or a new engine. I thought maybe I had bad gas but after refueling its still there. Before I repower with an E-TEC I wanted some feedback. Is repowering at this point needed???
 
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