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  1. #1

    Join Date
    Feb 2006
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    09 RXP-X Won't Maintain Peak RPM

    Ski accelerates great, but bounces around from 6200-8100 RPM on the top end.

    No water in the oil, intercooler is brandy new and the plugs are new and look great.

    Supercharger was rebuilt by the dealer about 8 hours ago, but... Do I need a rebuild?

    Eric


  2. #2

    Join Date
    Feb 2006
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    Well, thanks for all the hel... Um, never mind.

    Here's what I did - I removed the BOV and tested again. RPMs were steady at around 7200. After I rode around for a while they were steady at 6200. With the BOV, the ski would surge to 8100, then fall to 7200 then surge again. I'm going to go ahead and replace the supercharger, Maybe this will help somebody else down the road.

    Eric

  3. #3
    wotxxxsd's Avatar
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    May 2012
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    I'd check the slip on the charger.
    It sounds like its slipping.

    Also I'd take off the bov.
    They are known to leak and don't give you any benefit.

    I don't think you need to buy a new charger.
    If anything just have the slip adjusted.
    When you rebuild it ALWAYS have the bearings and clutch washers changed.
    Too many people only have the washers changed.
    Good luck!

  4. #4
    What's "BOV" stand for? Thanks.

  5. #5
    RXPJAY's Avatar
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    Nov 2012
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    Blow Off Valve.

  6. #6

    Join Date
    Feb 2006
    Location
    Massachusetts
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    Well the fix was really pretty easy. All I did was add:

    -RIVA XX Charger
    -50 lb injectors
    -RIVA ECU
    -RIVA Valvetrain Upgrade
    -RRFPR
    -Aeromotive Fuel Pump

    And the problem was solved! Simple, really.

    Eric

  7. #7
    mstennes's Avatar
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    Jul 2006
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    On the Columbia River above a Dam
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    Quote Originally Posted by Gipper View Post
    Well the fix was really pretty easy. All I did was add:

    -RIVA XX Charger
    -50 lb injectors
    -RIVA ECU
    -RIVA Valvetrain Upgrade
    -RRFPR
    -Aeromotive Fuel Pump

    And the problem was solved! Simple, really.

    Eric

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