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Thread: 1999 gp 760

  1. #1
    Two Strokes . jefferz's Avatar
    Join Date
    Sep 2008

    1999 gp 760

    got it brand new just about ten years ago

    right now it runs like about 52 mph on glass stock

    i want to push it to go a little faster any little things i could do to improve it

  2. #2
    Old Ski Insanity w/rpm500's Avatar
    Join Date
    Aug 2005
    Crystal River Fl
    aftermarket plate and grate...( send plate to jim's for truing and a possible cut)
    f/a's (flame arrestors)
    reeds (boysens,td's)
    a pipe for better breathing
    true hull bottom
    sealing pump with 5100 after finding proper plate positioning ...

  3. #3
    Here come the smokers! OBXJeepGuy's Avatar
    Join Date
    Aug 2008
    Outer Banks, NC
    Trim tabs... That porpoising is horrible. I think I finally have mine under control somewhat. Hopefully much better when I get the tabs on...

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