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  1. #1

    Question GTX -04 hits rev limit.

    Hello!

    I have a problem that i hop someone can help me whit.
    When I'm in a dead stop and ill give it full throttle the engine will hit rev limiter for like 2 to 3 sec than it will pull the ski.
    it feels like it slip in the water??
    I have a new ss wearing but stock impeller.
    the impeller seems fine but its 9 years old.
    The gap between impeller and wearing are ok!
    any suggestions to this problem?

    Please help

    Thanks!


  2. #2
    wotxxxsd's Avatar
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    Sounds like you need your impeller pitched.
    Pitching the impeller is a way to make it hook up better.

  3. #3
    mikelytle1077's Avatar
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    is your pump aluminum if so then i would check the carbon seal and bellow

  4. #4
    Quote Originally Posted by wotxxxsd View Post
    Sounds like you need your impeller pitched.
    Pitching the impeller is a way to make it hook up better.
    or its time for a new ss impeller
    do the pitch wear over the years?

  5. #5
    Quote Originally Posted by mikelytle1077 View Post
    is your pump aluminum if so then i would check the carbon seal and bellow
    yes its aluminum.
    ok i will check that tomorrow!
    what is the function of the carbon seal?

    Thanks for your answers wotxxxsd and mikelytle1077

  6. #6
    mikelytle1077's Avatar
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    It's the through hull seal for the driveshaft carbon ring sits against the ss hat if the bellows lose tension you will get air in the pump and bad cavitation

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