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  1. 04-03-2018, 12:04 AM #1
    shackwylde
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    H-51 porpoising fix

    '98 w/90 Yamaha. After years of trial and error. Finally Emailed Xpress and this is their solution. This stopped my porpoising completely
    Last edited by shackwylde; 04-07-2018 at 07:38 PM. Reason: Changing format
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  2. PolarKraft195
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    #2 04-03-2018, 10:20 AM
    I go rid of my porpoising by adding a 25hp to it's ass!
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  3. bulldog44
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    #3 04-03-2018, 10:46 AM
    LOL!!!
    My wife may like that, as she is always telling me to SLOW DOWN!
    1998 Xpress H51, 90hp Yamaha, 6" Vance JP, MotorGuide Xi3, Lowrance Electronics, Micro Power Pole...
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  4. Kerusm
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    #4 04-04-2018, 12:13 PM
    Put a hydrofoil on a 2001 H51 w/ 90 hp, no jack plate and it stopped it too.
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  5. shackwylde
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    #5 04-07-2018, 08:12 PM
    Quote Originally Posted by Kerusm View Post
    Put a hydrofoil on a 2001 H51 w/ 90 hp, no jack plate and it stopped it too.
    Tried a hydrofoil too, didn't help my porpoising, just made it get on pad faster.
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  6. Kerusm
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    #6 04-07-2018, 09:13 PM
    That's odd but glad you got it solved. Good info for H51's.
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  7. rocket man
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    #7 04-08-2018, 06:41 AM
    Why wouldn't they do that at the factory, before the boat was painted.?
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