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  1. #1

    ultra 250 supercharger question

    supercharger boost on the dash only goes up to 10 not all the way up to 15 is there something wrong with the supercharger


  2. #2
    nicjak's Avatar
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    the speedo on my car goes to 240kmh but i can only get it to 200kmh is there something wrong with my engine?

  3. #3
    R5 Water-X Racing Promoter PowerShot's Avatar
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    Stick..you might want to have the dealership take a look at it before it goes on you completely..If you are not hitting at least 11 your lobes in the SC may be very slightly rubbing..Do you feel any slight vibration at all?

  4. #4
    Quote Originally Posted by PowerShot View Post
    your lobes in the SC may be very slightly rubbing..Do you feel any slight vibration at all?
    How can rotor lobes be rubbing each other?

  5. #5
    R5 Water-X Racing Promoter PowerShot's Avatar
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    The bearings begin to fail and when they do it creates a bit of play and the lobes can rub. Once they start rubbing it gets progressively worse! I had 2 SC have that same problem and Kawi warrantied both.

    Trust me IT HAPPENS..sounds crazy but it happens.

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