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  1. #1

    2008 RXP-X will not exceed 6780 rpm's or 60mph

    I feel dooped! Purchased it today with 23 hours and a stage 2 kit installed. Seller said he gets mid to upper 70's and I didnt take it out prior to purchase! Ski looks flawless inside and out and he semed very honest. Does this sound like a major issue?


  2. #2
    Banned User
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    Does it cavitate and bounce off the rev limiter when you nail it from the start?

    Have you checked the slip moment for the supercharger?

  3. #3
    I have zero mechanical ski esperience. What does bounce off the rev limiter mean? I did look at the wear ring and impeller from both sides and it looks perfect.

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    When you gave it full throttle, did the engine go 'Bahh bahhh bahhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh' ? lol that's hitting the rev limiter (Please no wise guy replies :P )

    If it was me and I was in your position, I'd give a dealer $100 to look it over and tell him the symptoms.

  5. #5
    It sounds just fine, any other ideas?

  6. #6
    Vern's Avatar
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    Very often, this is due to one of two things ... boost leak or slipping supercharger clutch, neither is a big deal at all. But if you have zero experience working on this ski, it would be a huge help if someone nearby could show you some of the basics of this ski and help you check the simple stuff. Where are you located?

  7. #7
    Eric Ocman's Avatar
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    Yea, where u at bro. One of us could be near!

  8. #8
    Orlando Shark's Avatar
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    Welcome to the forums!

    Things you will need to learn for you to solve your problem:

    1. How to check supercharger Slip.
    http://www.greenhulk.net/forums/show...ercharger+slip

    2. How to check a boost leak.
    http://www.greenhulk.net/forums/show...ble+boost+leak
    3. Learn about Cavitation.
    http://www.greenhulk.net/forums/show...vitation/page2

    4. Possible bad injector? Here's a very similar case:
    http://www.greenhulk.net/forums/show...rger-WTF/page5

    Read up on that a little and see if any of that is your problem or symptoms.

    Good luck!

  9. #9
    Vern's Avatar
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    Profile says zip code 33715, so St Petersburg, or Tierra Verde Florida maybe ...

  10. #10
    YoYamma's Avatar
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    Quote Originally Posted by MST View Post
    I feel dooped! Purchased it today with 23 hours and a stage 2 kit installed. Seller said he gets mid to upper 70's and I didnt take it out prior to purchase! Ski looks flawless inside and out and he semed very honest. Does this sound like a major issue?
    According to their site, Riva does not make a Stage 2 kit for the RXP-X (?)
    Riva claims 75 mph for the stage 2 kit for the RXP.
    Here is a list of the parts so you can compare to what you bought:
    http://www.rivayamaha.com/pwc_perf_p...p_stg2_kit.asp

    Here is an overview of the other kits:
    http://www.rivayamaha.com/pwc_perf_packages.asp

    P.S. - You might want to check the wear ring too,
    I have seen RXP's really bog down with damaged wear rings and this is a very common issue. More tips for you here:
    http://www.greenhulk.net/forums/show...ur-New-Sea-Doo...

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