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  1. #1

    3 weeks without jet ski tough

    2007 kaw 250 take off is great 3/4 throttle bogs down as if it is out of the water rpms go high supercharger goes down then picks back up I have had in the shop for 3 weeks new impeller, new plugs and they thought supercharger blow off valve stuck nothing still not fixed any ideas they want me to leave it for a Kaw rep to look at next week I have installed all stage one riva kit and 1 degree wedge


  2. #2
    Take the time to smile sirbreaksalot's Avatar
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    Quote Originally Posted by stick View Post
    2007 kaw 250 take off is great 3/4 throttle bogs down as if it is out of the water rpms go high supercharger goes down then picks back up I have had in the shop for 3 weeks new impeller, new plugs and they thought supercharger blow off valve stuck nothing still not fixed any ideas they want me to leave it for a Kaw rep to look at next week I have installed all stage one riva kit and 1 degree wedge
    1. check Fuel Pressure ( should be atleast 39 psi )
    2. check belt tension
    3. check air horn on air box

    Start their

    Waz

  3. #3
    fuel pressure oka belt okay i put on riva air box don't know if it has a air horn they are going to check thanks for the suggestions

  4. #4
    Formerly Ultra250 TN Aquaholic6801's Avatar
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    Right before my supercharger let loose, Mine would go to full boost at about 3/4 throttle then when you pinned it the rest of the way it would drop a few lbs of boost..............

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