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  1. #1

    Engine accelerates underway but the jet drive stopes turning

    I was out today and the up to speed and then the engine RPM's increased but the impeller stopped turning and the ski came to a stop. Of course I stopped the engine tried it again got up to sped and the same thing happened.
    Does anyone know what may cause this?

  2. #2
    monaroman76's Avatar
    Join Date
    Mar 2008
    Whyalla, South Australia
    Sounds like you have stripped your drive shaft/impeller splines.

  3. #3
    Flynlow's Avatar
    Join Date
    Sep 2010
    Malvern, Arkansas, United States
    Quote Originally Posted by monaroman76 View Post
    Sounds like you have stripped your drive shaft/impeller splines.

    I agree I had this happen on a older gtx that we towed wakeboards with. It makes a grinding noise when it slips. Hopefully it just messed up the driveshaft. I had to replace the the pto and the shaft. What ski do you have?

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