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  1. #1

    Supercharger clutch question

    I previously had an 04 Rxp with blown clutch at 24 hours and a 05 rxp with blown clutch at 3 hours.I was very aggravated and went back to a 05 ultra 150 .I really like the rxp ,but dont care for the clutch issue.Ive read on this post about guys gettting long hours on their stock clutch.Does the heavy duty rotax racing clutch resolve this issue ,is the stock clutch better when set up properly.I talked to Glenn from ppg he said they installed the heavy duty rotax clutch and also do some mod to the supercharger and have great success with relability.Anyone have a good clutch set up that fixs the problem on a long term basis.I seen green hulk has tried alot of different things .Any info would be greatly apreciated ,I am considerding buying another rxp depnding on the feedback I recieve. Thanks,Mark


  2. #2
    Also was wondering if a blow off valve will completly resovle this clutch issue. Thanks,Mark

  3. #3
    Site Admin Green Hulk's Avatar
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    Mark, more than likely the reason your second clutch failed is because it was improperly assembled by your dealer.

    I know of clutch assembly's lasting more than 200 hours.

    Yes, the Rotax Racing clutch is better when built correctly.

  4. #4
    way2fast's Avatar
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    The new replacement clutch kits are upgraded for 2006. The 2004-05 clutches are now history. Only time will tell how they hold up in the real world !!

    Richard

  5. #5
    Moderator two2curupt's Avatar
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    Re: Supercharger clutch question

    I talked to Glenn from ppg he said they installed the heavy duty rotax clutch and also do some mod to the supercharger and have great success with relability.


    Not sure what modifications he is doing to them...Other than adjusting clutch slippage...By adding or removing shims..
    For non modified (stock) motors..The 06 clutch kit will hold up for you...

  6. #6
    Sunfunzoom's Avatar
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    two2curupt, there is no facts to back up your statment that the 06 cluch will fix anything. They said that about every revision of clutch to date and so far, they all fail.
    Lets wait till there are some substacial hours on the 06 assembly before we bless it as a fix.
    I hope it does hold up, but only and only time will tell.

  7. #7
    Moderator Franko's Avatar
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    Quote Originally Posted by Sunfunzoom
    They said that about every revision of clutch to date and so far, they all fail.
    What revisions are you talking about? As far as I know, 2006 is the first change to the SC clutch.

  8. #8
    Moderator two2curupt's Avatar
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    I am not saying it is the be all end all...But it sure is a step in the right direction for an engineering mistake made back in 2003...
    And this is the first revision...I agree sorry to bust everyones bubble but the sc setup currently available for the 4-tec setup will probably never work over a long period of time...Those of us that own them should learn the iner workings of your motor so when your boat comes out of warrenty you can fix the failed or slipping clutch yourself...

    Nils is making a even bigger step in the right direction...So someday we will all be clutch free..

  9. #9
    EZ Dock of Long Island Shibby1485's Avatar
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    ALL the clutched definitely don't fail... i'm on my original clutch at 87 hours now of hard riding and lots of ocean and choppy water unhooking type riding... of course the whole time i'm out there i say to myself, dang if this clutch is gonna blow it's gonna happen now bc i was jsut revin the crap out of it when it gets unhooked... so far i'm in good shape.

    i think the 06 clutch being thicker is mostly going to decline the number of ceramic disks that break apart and go thru the motor... being thicker they don't be as brittle and breakable... but still prone to slip, which in essence IS it's job, the slip.. jsut not prematurely

  10. #10
    way2fast's Avatar
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    Ah, but if the new clutch's thicker ceramic discs do fail it will mean even more junk in the motor !!

    I'm a kill joy.

    Richard

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