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  1. #1
    rxp_kimmo's Avatar
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    Guess the top speed.. with my new setup

    I will take the first test ride in few days after a complete rebuild.. just waiting to get the engine alingment tool from SBT..

    And im wonder if my fuel setup is enough.. with this charger.. or do i need the adjustable fule regulator??

    But as the thread subject says.. you think i hit 75-76mph on GPS?

    Riva Pro series ECU
    Bosch 50lbs "pink" injectors
    X-supercharger with Rotax Racing adapter + wheel
    fizzle 4"
    fizzle catch can
    Rotax Racing Oil pressure Jet
    Rotax Racing Intercooler
    Riva Racing Open loop with thermo
    Ferrea Lightweight valves
    Rotax Racing titanium Retainers
    higher compression
    Worx Intake Grate (modified)
    Riva nozzle with 83mm ring
    15/22R solas impeller
    Riva Racing pro series exhaust waterbox
    Riva Racing exhaust outlet kit
    Rotax Racing Carbon Hood
    Grip Gear maths
    Grip Gear custom seat
    Umi Racing steering
    Starbar handlebar
    Starbar finger throttle
    X-throttle cabel
    Odi X-treme grips
    Performance Marine VTS kit
    Riva Racing wedge ring
    Modified stock exhaust J-pipe
    Rotax Racing front Engine mount
    Rotax Racing camchain tensioner
    Riva racing OPAS block off
    Dropped RXT stock sponsons
    Speedparts boost/water temp cauges
    replaced flywheel bolts
    4tecperformance intercooler block off

    I´m sorry for my bad English. But i hope you will understand what i mean
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  2. #2
    Huh? Dyoung's Avatar
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    Ummm..you should be over 80 easy with that setup.....good looking ski

  3. #3
    rxp_kimmo's Avatar
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    Quote Originally Posted by Dyoung View Post
    Ummm..you should be over 80 easy with that setup.....good looking ski
    Thanks... ok 80mph sounds fantastic i hope that you have right.. But what do you think about the fuel setup?

  4. #4
    Huh? Dyoung's Avatar
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    Quote Originally Posted by rxp_kimmo View Post
    Thanks... ok 80mph sounds fantastic i hope that you have right.. But what do you think about the fuel setup?
    you said you're running an x-charger with a rotax wheel right? How much boost is it making at 8600 rpm's?

  5. #5
    rxp_kimmo's Avatar
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    Quote Originally Posted by Dyoung View Post
    you said you're running an x-charger with a rotax wheel right? How much boost is it making at 8600 rpm's?
    12,3-13psi.. i think

  6. #6
    Huh? Dyoung's Avatar
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    Quote Originally Posted by rxp_kimmo View Post
    12,3-13psi.. i think
    I think that you might need a rrfpr with that set up. Maybe some of these other guys can chime in and give you a definite answer.

  7. #7
    rxp_kimmo's Avatar
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    Quote Originally Posted by Dyoung View Post
    I think that you might need a rrfpr with that set up. Maybe some of these other guys can chime in and give you a definite answer.
    Ok.. but im glad that someone give me litte help. But i hope someone give me a definite answer because it takes somedays to ship the parts to me from Jerry

  8. #8
    Huh? Dyoung's Avatar
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    Quote Originally Posted by rxp_kimmo View Post
    Ok.. but im glad that someone give me litte help. But i hope someone give me a definite answer because it takes somedays to ship the parts to me from Jerry
    No problem....good luck with the ski

  9. #9
    Orlando Shark's Avatar
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    The Riva ecus are good till 13.5 lbs of boost, after that you will need a regulator. Just to be on the safe side I would get an a/f wideband and an rrfpr to be safe.

  10. #10
    Orlando Shark's Avatar
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    The Riva ecus are good till 13.5 lbs of boost, after that you will need a regulator. Just to be on the safe side I would get an a/f wideband and an rrfpr to be safe.

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