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  1. #1
    To much is never enough Badvgood's Avatar
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    2006 RXP Upgrade to RXP-X ECU Question

    Hi, I am looking at an RXP 2006 that is for sale that has had lots of RXPX upgrades.

    X Charger, 42 lbs Injectors etc but the guy selling it states he has used a RXPX ECU.

    Do they fit?

    If he has done this would it still need the rising rate fuel pressure upgrade to keep the AFR correct?

    Any ideas?


  2. #2
    speedskixp's Avatar
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    X ecu will not work unless the wiring harness has been replaced with an 07-11 harness.

  3. #3
    To much is never enough Badvgood's Avatar
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    Well I collected this ski today and it looks like it has got a RXP X ECU fitted to it!

    He has a invoice for supply and fit an X Charger, green injectors and RXP X ECU all from a Seadoo main dealer!

    Can anyone with an RXP X Tell me if the numbers in my photo match up with their ECU Numbers? Am thinking its 2008 year ish.

    I have looked at other ECU's that are for sale on here and the numbers seem to match for those stating there ECU's are from RXP X's.

    http://www.greenhulk.net/forums/showthread.php?t=104418

    Click image for larger version. 

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  4. #4
    Moderator beerdart's Avatar
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    Yes that pic is an 08 X ecu with a mfg date of 09/26/2008

  5. #5
    To much is never enough Badvgood's Avatar
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    Thanks Beerdart. So back to my original question, would I need a rising fuel pressure set up?

    I know the benefits of measuring the AFR and tweeking it with fuel pressures etc, and I will add one later on when funds allow....

    I guess what I am concerned about is it running lean and melting a piston or causing damage.

    As the set up has an X Charger, green 42lbs injectors and the ECU, it effectively is the RPX Stock set up, isn't it??

  6. #6
    JFizzleJR's Avatar
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    Quote Originally Posted by Badvgood View Post
    Thanks Beerdart. So back to my original question, would I need a rising fuel pressure set up?

    I know the benefits of measuring the AFR and tweeking it with fuel pressures etc, and I will add one later on when funds allow....

    I guess what I am concerned about is it running lean and melting a piston or causing damage.

    As the set up has an X Charger, green 42lbs injectors and the ECU, it effectively is the RPX Stock set up, isn't it??
    Now that you have the supercharger, the intercooler is the main power difference between your ski and the RXP-X.

  7. #7
    To much is never enough Badvgood's Avatar
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    I have just been given an early one of yours JFizzle! I saw it today and I think its got XPower on it. What are they like? ANy concerns I should have?

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