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    1986 4.3L Mercruiser "bogs" down above 3000RPM

    WE have a have a 1986 Mercruiser 4.3 205HP w/ an alpha one outdrive Finally got it up to plane, but its still not running at its best. I cannot reach WOT under load because after hitting between 3000 and 3500 RPMs the engine loses power and RPMS fall off. The boat doesn't stall it just seems...
  2. C

    Mercruiser 4.3L Engine Problem

    I have the problem where my engine stalls above 2500 RPM. I've found that when I prime the carb I can get it to plane and infact run well for about 30 seconds. Does this point to any particular problem that I might be able to repair?
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