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    89 100 Mariner Plug Fouling

    New to forum looking for help on a 89 100 hp Mariner, variable rate oil injected. Intermittently 1 or more plugs will foul. After removing plugs and wiping off and cranking engine motor will work perfectly.Typically once motor gets "cleaned out" the motor will be fine all day. Occasionally if...
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    89 Mariner 100 Misfire

    NEW TO FORUM LOOKING FOR HELP ON MY 89 100HP MARINER.Motor will seem to misfire like 1 or more plugs are fouled. If I remove plugs and wipe them off, then crank motor with plugs removed and reinstall then typically motor will run fine. Failure is more prevalent if motor has been sitting unused...
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