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  1. #1

    ultra 250 cavitation

    just installed the following: RD ride plate, RD intake grate, wedge, and Solas impellar. my ski is now cavitating on full throttle take off........any solutions? wrong combo of parts?


  2. #2
    hilomikey's Avatar
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    Take off ride plate and intake grate and clean really good with rubber wheel on drill. then reinstall siliconing all areas. solas props do slip a little (as so I read). I had some cavitation when I had my stock plate on, when I changed to riva plate and did above instructions, NO cavitation. Now When I put the RnD pump cone on slight difference in holeshot that I noticed, with no cavitation still to this day.

  3. #3
    JET250's Avatar
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    did you seal all the parts in and remove excess silicone from factory assembly. If you have its your solas impeller if its a 16/21. leave it all on put the stock impeller back in.

  4. #4
    Kiwi Racer's Avatar
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    Yes + 1 ,Solas slip alot out of the hole, 16/21

  5. #5
    www.eastcoastpwc.net Scott's Avatar
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    Quote Originally Posted by JET250 View Post
    did you seal all the parts in and remove excess silicone from factory assembly. If you have its your solas impeller if its a 16/21. leave it all on put the stock impeller back in.
    Quote Originally Posted by Kiwi Racer View Post
    Yes + 1 ,Solas slip alot out of the hole, 16/21
    Quote Originally Posted by djf74 View Post
    just installed the following: RD ride plate, RD intake grate, wedge, and Solas impellar. my ski is now cavitating on full throttle take off........any solutions? wrong combo of parts?
    Solas sucks balls. Get rid of it!!

  6. #6
    thanks for the replies......im going to change back to the stock impellar. i just spoke with R&D tech and they think its the impellar as well.....

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