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Recent content by andycasy

  1. A

    Mercruiser 3.0 thumping/knocking

    I have a mercruiser 3.0 Had it out all afternoon, running smooth. was running at full speed when it seemed to lose power slightly, but then went back to normal. I dropped the speed down to just above idling and then noticed what seemed to be a small thumping or knocking. I then took ran at have...
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