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  1. W

    Low compression on top cylinder.

    Yeah he happens to be 1 of 2 mechanics in my small town and is apparently always 1 week to a month behind on repairs so I think he just didn’t want the job. Sorry not much of a mechanic, when you say the head is warped and to refinish it, do you mean the area where the gasket sits needs to be...
  2. W

    Low compression on top cylinder.

    Have a 97 Yamaha 80hp 2 stroke outboard that I purchased used. At the time of purchase all cylinders read 115 compression. First outing it ran great but on the second outing I noticed a loss in power. Took it to a mechanic and he said the top spark plug had water on it and the compression was...
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