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  1. #1

    2003 GTX-SC with Riva Stage 1 performing poorly

    I have two issues with my 2003 GTX-SC that has the Riva Stage 1 kit installed. 1) Top speed is only around 58 mph, 2) Take off is extremely lame, can hardly pull a small skier out of the water - almost as if the prop is slipping. Does anyone have any advice as to what could be causing the problems? Seem like after installing the kit I did not get the benefits of additional speed, but lost take off.

  2. #2
    How is the wear ring? Is it cavitating when accellerating?

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