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    JOHNSON SPARK PLUG GAP

    I have a 97 Johnson 60 HP, and have QL 78YC plugs, and was wondering what the proper gap is for that engine.
  2. L

    low compression 60 hp johnson

    my compression on my top 2 cylinders is 120, while my bottom is 60. will I damage the engine if I continue to run this way until I can get it in the shop? What do you think the problem is? I was running great and suddenly lost a lot of power. It seems to run good, but the power has been...
  3. L

    low compression 60 hp johnson

    my compression on my top two cylinders is 120 while my bottom is 60. will I damage the engine if I continue to run this way until I have it checked out?
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