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    Shaft Lenght?

    I have a 15' modified-V hull that I want to mount a 15 hp outboard. The distance from the top of the transom to the bottom center of boat is 17.5" Do I need a short or long shaft?? Thanks!!
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    Cavitation or Ventillation

    I have a 9.9 Evinrude on a 15' Sea Nymph with a modifed-V hull. I am getting severe ventilaton or cavitation at all speed ranges - even just starting out. I have reviewed this web site extensively and know the difference between the two. I just can't figure out my problem. I checked the prop...
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    Engine Over-Rev but Loss of Thrust

    I have a mid-90's Evinrude 9.9 that is acting like it has a spun hub. After giving it a little throttle the engine rpms will rise but it will lose most thrust. It will move very slowly at just above idle speed. I researched the forums and marked and checked the prop which checked out fine...
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