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  1. Will S

    650/X-2 1990 superjet throttle problems

    I was able to work on my ski this past weekend. Thanks to your help, I found that the seal between the pump and the hull was worn. I was able to save the seal by super gluing back into place on the pump. That seemed to work without having to by a $30 seal. It looks like the clearance between the...
  2. Will S

    650/X-2 1990 superjet throttle problems

    Sorry, if this sound dumb, I have not really worked on these before. I googled wear ring, and kinda understand what it is. When i took apart my pump, I don't recall even seeing the wear ring in the housing? The gap between the impeller and the housing was kinda big. like 1/8 to 1/16 of a inch...
  3. Will S

    650/X-2 1990 superjet throttle problems

    Thanks for the quick replies. I am going to disassemble the pump again, and take some pictures. The wear ring does not really show any damage and the clearance and looks fine to me. I am also going to run it out of the water and see if the coupler speeds up when I give it throttle. If it does...
  4. Will S

    650/X-2 1990 superjet throttle problems

    Yeah, the splines were almost perfect, no signs of wear. I pulled the coupler cover off, (it was just that plastic piece) and did not notice anything out of place. Yes, This is all information from when i've been using it in the water. Could it be the flywheel?
  5. Will S

    650/X-2 1990 superjet throttle problems

    Hello all. I am having some issues that I can't figure out. The problem I'm having is after my ski is started, it idle's just fine. When i go to give it gas, I hear the engine revving up, but the impeller is not spinning any faster than when its just idling. Every once in a while, it will go...
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