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Posting a reply to: RE: Yamaha 50 4 stroke runs rough?

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hi


You are replying to:
schoenbm
Posted 4/17/2010 8:54 AM (#435715 - in reply to #435685)
Subject: RE: Yamaha 50 4 stroke runs rough?


I had a similar problem with the same motor. It would run fine sometimes and terrible at others. After some invetigation I found that the ethanol in the gas had completely destroyed the fuel connections on both the tank and motor sides. There is an O-ring in the connection that had essentially dissolved. Replaced the connections and I haven't had a problem since. Cheap fix if its the same problem.

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