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    RPMS 115hp Mariner

    I have just bought a 17 foot ProCraft bass boat. I tried it out for the first time yesterday. I was quite impressed with the top end speed. 48 to 50mph. My question is, at what RPM should the 1991 115hp Mariner develop it's horse power? This boat has a manual Jack Plate. As you can see from...
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    Jack Plate

    Just how does a jack plate affect a boat? RMPS, speed Etc.....
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