Recent content by John Koniewicz

  1. J

    87 y-150 plug fouling & breaking up

    87 yamaha ,rebuilt carbs, yamahalube oil,good gas ... Constantly fouling plugs after 18 gal of gas ,plugs are all carboned up solid deposits. when first underway gets up to 5200 rpms 40 mph after 5min when gets at right temp breakes up bad, under load or above 3600 rpm ,whith new plugs same...
  2. J

    88 Hp johnson ,Overheating

    Muffed outboard ,Overheated. Changed stats springs and valves in housing, Head gaskets,bottom powerhead gasket,top gaskets,good water flow the "pisser" is flowing.Still overheating. Stats open at 140-150 . Thinking the springs on th pressure relif seats in the thermo housing are to long not...
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