MuskyRookie Posted April 6, 2009 Share Posted April 6, 2009 When I had my boat winterized last fall, I was told I need to have the water jacket gasket replaced on my 1993 Merdury 40 h.p. motor. What exactly is that and how expensive of a repair is it normally? Quote Link to comment Share on other sites More sharing options...
boatfixer Posted April 6, 2009 Share Posted April 6, 2009 Simple fix actually. There is no separate cylinder head on those but where you would think there is one, there is a plate that covers the water jacket. More than likely, its leaking around the spark plugs, quite common. gasket is not much at all maybe 1/2 hr to do it. Quote Link to comment Share on other sites More sharing options...
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