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rocker arm cover

  1. Yanmar rocker arm cover oil leak

    Diesel
    Ran our recently purchased 1983 Hunter H34 for about 2 hours on Monday to get the feel of the handling and to practice docking in good weather. Today when I went to work on another issue. I checked the engine (3GMF Yanmar) I noticed that there was oil leaking from the top of what I would call...
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