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    Carburetor Screw

    Hello, I have a 1988 Mariner 100hp, 4cyl. Upon rebuilding the carbs, I found all four did not have the small screw next to the Idle Mixture Screw installed. Just wanted to make sure that was proper. Thanks for your help.
  2. S

    Sputtering Mariner watch video please

    Sputtering Mariner 100 We have a 1988 Mariner 100hp, 4cyl that refuses to run smoothly. New plugs, rebuilt carbs, new fuel pump diaphragms, and clean, flowing gas from the tank have not cured our problem. Also, would someone mind giving a quick explanation of the 2+2 cylinder/ fuel pump...
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