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1989 evinrude 150 hp

spicerak

Contributing Member
THERE ARE 2 PLUGS THAT SEEM TO

THERE ARE 2 PLUGS THAT SEEM TO BE FOULING ON ME AND ITS ALLWAYS THE SAME 2 ON SAME SIDE BOTTOM 1 AND ABOVE IT. AFTER USEING BOAT I WILL CHECK THE PLUGS 1 IS DRIED OUT AND THE OTHER IS MILKY.BUT BOATS RUNS FINE. WHEN IT STARTS ACTING UP I JUST CHANGE THEM PLUGS AND ITS BACK TO NORMAL.WOUOLD IT BE WISE TO CHANGE THAT HEAD GASKET ON THAT SIDE.THANKS FOR THE HELP
 
milky like water(thats ver

milky like water(thats very bad)
you need to find out why its doing that
possable head leak.
 
How would i tell if it water o

How would i tell if it water or oil it is a brown color and its only on one plug.what if the compression is all the same what should i do.can oil do that?
 
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