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Recent content by madmaxum

  1. M

    Cylinder Wall Cracked

    "I took my boat, 1997 Maxum 23 "I took my boat, 1997 Maxum 2300 SC, 5.7l Mercruiser in to be winterized last November. boat has 400 hours and I am diligent about maintenance. The boat ran perfectly all last summer, no issues at all. Mechanic called to inform that while doing the oil change they...
  2. M

    RPM problem solved

    "I posted earlier about my 5.7 "I posted earlier about my 5.7 merc not being able to go above 4,000 rpm's. My initiual thought was fuel, e-10. When I had it winterized the spark plugs were changed. Last night I had a thought and opened the engine cover, felt under the manifold and sure enough...
  3. M

    Low rpmbs

    "Having a strange problem with "Having a strange problem with my Maxum 2300 5.7 Mercruiser. I had it properly winterized, stored with about 1/2 tank of that wonderful ethanol enhanced fuel, same prop everything. I have lost about 400 rpm's at WOT over last season. Mechanic says it is the fuel...
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