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  1. #1

    Join Date
    Jul 2011
    Location
    Johnson City, TN
    Posts
    39

    2010 RXTX pump exploded

    Not sure what exploded my rxtx pump but it broke/cracked almost everything past the drive shaft. Im installing a Riva 15/21 reworked impeller. What kinda gains can i expect if any? Dont want to mess with ecu and all that. Will the stupid gps govenor limit me to the ole 67mph? although mine says 69-70mph. Any just changed impeller without stage 1?


  2. #2
    jpeconsult's Avatar
    Join Date
    Jul 2007
    Location
    Pineville, LA
    Posts
    5,448
    +1
    1
    Post some pics of the busted pump

  3. #3

    Join Date
    Jul 2011
    Location
    Johnson City, TN
    Posts
    39

    busted pump

    Well the ski is at the dealership right now. Will post pics of parts asap. I did look at the pump disassembled. The O ring that is pressed onto the hull was also cracked. Ride plate damaged. Drive shaft splines damaged. Impeller splines damaged. Wear ring damaged. Pump support and housing damaged. The thru bolts on the battery side compartment were broken. The reverse gate was fine. Something must have cleared the impeller then lodged behind??? not sure? Its gonna be costly. My question, will the 15/22R impeller give me any gain on top end with everything remaining stock?

  4. #4

    Join Date
    Jul 2011
    Location
    Johnson City, TN
    Posts
    39
    Sorry for the wrong impeller #s on first post. It is a 15/22R

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