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  1. K

    Captured Water and Porpoising

    I have a Q3 (262CID Mercruiser I/O) that porpoises something fierce. I've noticed that it seems to retain water and I'm wondering if there are any known tricks to get it to divest itself of the extra movable weight? I've also see that a number of people say that some of these boats simply need...
  2. K

    Mercruiser 4.3L, start, runs 20-30 seconds, shuts off

    As in the subject line, those are my symptoms - with the addition that manipulating the throttle has no affect. It runs for a set length of time and then shuts off. All of the reading that I've done seems to indicate that it's an oil pressure safety switch that has failed (though I'm wide open...
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