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  1. #1
    macgyver's Avatar
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    Super charger upgrade rxtx 260

    Looking at getting a new charger. Any ideas on eigther the mini rude or the riva xx. Looking for advice


  2. #2
    www.teamenergizer.se Robban's Avatar
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    ROTAX racing SC

  3. #3
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by macgyver View Post
    Looking at getting a new charger. Any ideas on eigther the mini rude or the riva xx. Looking for advice
    The mini rude and XX are the exact same supercharger and both will make more power than any of the other X model supercharger upgrades.

    The problem is your stock ECU has a boost limiter. You will need to go with this ECU reflash to see the full potential from a supercharger upgrade
    http://www.4-tecperformance.com/inde...oducts_id=1655

  4. #4

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    Quote Originally Posted by Green Hulk View Post
    The mini rude and XX are the exact same supercharger and both will make more power than any of the other X model supercharger upgrades.

    The problem is your stock ECU has a boost limiter. You will need to go with this ECU reflash to see the full potential from a supercharger upgrade
    http://www.4-tecperformance.com/inde...oducts_id=1655
    I have the same ski with all the RIVAS stage I stuff installed. Current speed 73 MPH. If I change the SC to the Mini Rude or XX as suggested and have my ECU re-mapped, looks like valve gear upgrade is a must, what increase in speed can I expect? After the re-map does the ECU just plug back in or do I have to have the system hooked up to BUDS to make it work? And... can I keep the stock injectors or is there additional modification to the fuel system that would be required? Thanks, just trying to understand this stuff before I jump....

  5. #5
    Site Admin Green Hulk's Avatar
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    With the ECU reflash the Riva valve train upgrade it a must. The ECU will be plug and play once you get it back. No need to hook to BUDS. The reflash is for the stock injectors, no need to change those. The reflash can handle the boost of the XX or Mini Rude.

    You will easily see speeds of 76+ mph with lots better acceleration.

    Hope that helps!

    oh, turn around time has been running only 1 day from the time they receive the ECU.

  6. #6

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    Quote Originally Posted by Green Hulk View Post
    With the ECU reflash the Riva valve train upgrade it a must. The ECU will be plug and play once you get it back. No need to hook to BUDS. The reflash is for the stock injectors, no need to change those. The reflash can handle the boost of the XX or Mini Rude.

    You will easily see speeds of 76+ mph with lots better acceleration.

    Hope that helps!

    oh, turn around time has been running only 1 day from the time they receive the ECU.
    Ok undersatnd.... Last question.. What does the "valve train upgrade" consist of? Thanks...

  7. #7
    A smart admits!A wicked excuses!An idiot insists! mitsakosgt's Avatar
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    Quote Originally Posted by Glade Rider View Post
    Ok undersatnd.... Last question.. What does the "valve train upgrade" consist of? Thanks...
    Valve springs
    Valve titanium retainers
    Valve spring base washers
    Rocker arm shaft bolts

    Here you are:
    http://www.4-tecperformance.com/inde...roducts_id=380

  8. #8

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    To do the valve train upgrade, does the head have to come off?

  9. #9
    A smart admits!A wicked excuses!An idiot insists! mitsakosgt's Avatar
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    Quote Originally Posted by Motors4fun View Post
    To do the valve train upgrade, does the head have to come off?
    You have to get this:
    http://www.4-tecperformance.com/inde...roducts_id=439

  10. #10
    stuckmoto's Avatar
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    Hmmm, lots of money for 3 mph

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