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  1. #1
    danieletrono's Avatar
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    80 mph Ultra 250x

    What are the main/best/cheaper mods to reach 80 mph with a 2008 Ultra250x?
    Anybody have reached this speed?


  2. #2
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    yes

    you can get hp to the engine very easy, its the first step,
    then
    for speed you need perfect combo between intake grate, ride plate impeller and magnum pump.

    i call it "happy testing"

  3. #3
    sp_RXP_GR's Avatar
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    you will never see 80 mph with a stock ultra hull
    none has ever got even close

  4. #4
    Hooah_Killer's Avatar
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    Quote Originally Posted by sp_RXP_GR View Post
    you will never see 80 mph with a stock ultra hull
    none has ever got even close
    i do believe a few have seen the 78mph on stock hull so that is CLOSE........

  5. #5
    sp_RXP_GR's Avatar
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    In this video you can see cyrille lemoine going 80 mph wot...
    you can see in the start line more than 50 skis,including many ultras
    with too much $$$ invested...
    If they were going 78 mph they would be at least close.....

    So these speeds are, for now... a dream

  6. #6
    Hooah_Killer's Avatar
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    we are not doubting the 80ish abilities of sd or yami....but there are those here that post on this board THAT HAVE GPS'D 78 is on a stock ultra hull...it may be with turbo and other mods but it has been done

  7. #7
    SAL08HO's Avatar
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    Quote Originally Posted by sp_RXP_GR View Post


    In this video you can see cyrille lemoine going 80 mph wot...
    you can see in the start line more than 50 skis,including many ultras
    with too much $$$ invested...
    If they were going 78 mph they would be at least close.....

    So these speeds are, for now... a dream
    I have to disagree with you...Many 78 mph runs have been achived on the Ultra 250 with a light weight hull and if Skip was on here he could jump in and give some info ... So your so called dreams is reality !!

  8. #8
    SAL08HO's Avatar
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    Quote Originally Posted by Hooah_Killer View Post
    we are not doubting the 80ish abilities of sd or yami....but there are those here that post on this board THAT HAVE GPS'D 78 is on a stock ultra hull...it may be with turbo and other mods but it has been done
    Hooah I know Skip has done 78 on a light hull and the factory Supercharger... Not sure if anyone with a turbo has done faster numbers with the stock hull but i'm sure a turbo ultra would have no problem get those numbers on a stock hull.

  9. #9
    danieletrono's Avatar
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    Sorry but what are hull mods? Please explaun me...

    How to increase a lot hp?

    Lemoine ski is very fast but we are talking about factory racing engine with not a stock rxtx hul but very modded... Aski of a lot of$ ; not about an ultra simple modded.

  10. #10
    Take the time to smile sirbreaksalot's Avatar
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    Quote Originally Posted by sp_RXP_GR View Post
    you will never see 80 mph with a stock ultra hull
    none has ever got even close

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