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  1. #1

    Clutch wear with RR ECU

    What is the clutch wear or failure with the new ECU with the increase in RPM's?


  2. #2
    EZ Dock of Long Island Shibby1485's Avatar
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    It's at this point one should upgrade their supercharger clutch to 06 specs or purchase the Rotax Racing Heavy Duty clutch kit...

    we've never really heard of HD clutches failing, except for a few install issues in the beginning.

    it's possible to run your stock clutch, but you'll probably need to add more shims to increase the tension or it might begin slipping with those added RPMS....

    i would say almost all of the RR ECU owners upgrade their clutches and never see a problem at all that is clutch related.

  3. #3
    CRS's Avatar
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    Hey Shibby,
    I have to disagree there. My RR clutch lasted an hour and twenty minutes.I was talking to Nils about it and he`s had some that didn`t last that long

    Chris.

  4. #4
    EZ Dock of Long Island Shibby1485's Avatar
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    no kidden Chris... had no clue. We've had good experiences in our shop with the HD clutch and most have on the board with a few in between here and there.

    I guess I was trying to convince myself that there was a fix to the crappy design

    how many hours do you have on your current clutch CRS?

  5. #5

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    Quote Originally Posted by Shibby1485
    no kidden Chris... had no clue. We've had good experiences in our shop with the HD clutch and most have on the board with a few in between here and there.

    I guess I was trying to convince myself that there was a fix to the crappy design

    how many hours do you have on your current clutch CRS?
    You work at a Dealership, right?

    how much would you guys charge excluding the price of the supplies to upgrade the clutch?

    I know it's not easy work............................

  6. #6
    Site Admin Green Hulk's Avatar
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    Tiplick, i would charge you $60 labor for the upgrade.

    This would be a complete refurbishment of your SC to 06 specs using this kit:

    http://www.4-tecperformance.com/inde...roducts_id=339

  7. #7

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    Quote Originally Posted by Green Hulk
    Tiplick, i would charge you $60 labor for the upgrade.

    This would be a complete refurbishment of your SC to 06 specs using this kit:

    http://www.4-tecperformance.com/inde...roducts_id=339
    how much work would it be on my part to take out the SC?

    it's not so much the labor but just the mechanical know how

  8. #8
    Site Admin Green Hulk's Avatar
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    Its not that hard. You have to slide the waterbox back out of the way and there are 3 bolts holding the SC on.

  9. #9
    CRS's Avatar
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    Shib, got about 4 hours on a set of Les Cooke steel washers.So far so good.

  10. #10
    Vern's Avatar
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    CRS, before you put the supercharger back in, did you check the slip moment of the supercharger with a torque wrench? I am curious what they slip at with Les's clutch discs ...

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