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  1. #1

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    What is the best impeller?

    Hi, i'm new on this site. I read some post on the 05 pump on the 1200gpr. And i want to know what is the best for the money to increse top speed between the 05 pump and the dinafly impeller or only the concord 14/20 with the stock pump. Depending of the answer, is there some used parts available?


  2. #2
    Moderator RX951's Avatar
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    Welcome to the Forum Vince !!

    The Dyna-fly impeller matched up with the 05 stator (pump) vein housing with an 85mm reduction nozzle has produced the best speeds so far.

    Read this thread http://www.greenhulk.net/yamaha/view...=rx951+hitting

  3. #3
    Happily Self-Employed WFO's Avatar
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    Welcome Vince !!!

  4. #4

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    The pump that we are talking about is a fx-140 h.o. pump?

  5. #5
    Happily Self-Employed WFO's Avatar
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    Quote Originally Posted by VINCEGPR
    The pump that we are talking about is a fx-140 h.o. pump?
    Yes. Or off a 05-06 GPR

    Reading material. Plus, do a search for 05 pump. Also more material in the how to/FAQ section about the pump and parts lists

    http://www.greenhulk.net/yamaha/viewtopic.php?t=3429

    Here is the parts list

    http://www.greenhulk.net/yamaha/viewtopic.php?t=486

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