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  1. #1
    dhoad's Avatar
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    rotax hydraulic booster clutch

    I am in the middle of installing the rotax clutch setup on my FZS.
    I am familiar with the friction clutches and the belleville spring washer used in the kit after owning several SC doos with similar setup, but was hoping someone could shed some light on torque used to tighten different parts
    1. the spring washer locating nut torque value
    2. lock nut torque
    or is it more a case of getting the slip set right on the clutch? I think the instructions call for 22-24 ft lbs

    finally, has anyone replaced the rotax/belleville spring washer with a heavier duty type like is done on the doos?

    Anyone running the rotax with good result?


  2. #2
    Antiguan FZR's Avatar
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    Going to install mine tonight, I will let you know how it goes.

  3. #3
    Antiguan FZR's Avatar
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    Installed mine last night, easy job with the right tools . A digital Torque wrench & Riva Holding Tool make this job easy.

    http://www.4-tecperformance.com/inde...roducts_id=551
    http://www.4-tecperformance.com/inde...oducts_id=1127

    I set the first nut to 9NM and the second to 40NM as per instructions. The "Easy Rider" end cap was a little tight at first but loossened up after a few turns of the shaft. After assembling the shaft I locked the gear and ensured the slip was 9NM.

    I noticed the washers have a rough coating for better grip unlike the original Sea Doo 08 washers.

    Going to run for an hour then re-check sllip

  4. #4
    coldspace's Avatar
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    Interested to see how this goes for you mate. Does it install straight into the OEM supercharger?
    Does the shaft accept ET wheels?

    Can you buy the replacement washers from Seadoo dealers or does Jerry keep them instore?

    Jerry if you read this, what are your thoughts or feed back from others on this Rotax system?

    Cheers guys.

  5. #5
    dhoad's Avatar
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    thx for the torque #s for some reason my copy of the instructions has the numbers deleted

  6. #6
    Antiguan FZR's Avatar
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    Not sure about ET wheels, I used it with the E1. Its a drop-in shaft no mods to the housing required.

    I also changed the bearings while it was apart.

  7. #7
    It's not the destination, it's the journey!! Rip'nTear SHO's Avatar
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    I'm very interested in this mod as well. Would love to hear some feedback from people using this clutch....esp if their riding rough water.

  8. #8
    coldspace's Avatar
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    Yep, rough water is where I'd be interested in this system.
    The ET slipping systems are proving good down here in Aus, but I don't want to drop 2.5K into one as ot racing, so think this might be more than enough for rec use in rough stuff.

    The shaft looks substantial as well.

    Jerry, you sold heaps to a few guys in Middle east, have you had feed back yet?
    I don't want to drop coin and be a test dummy

    Maybe rotax could supply Rip and me with some for free for some field testing with stage 3 skis in the rough stuff

  9. #9
    Antiguan FZR's Avatar
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    So far so good, ran for an hour, re set slip then 2 hours of hard riding!
    Got home re-checked slip, and it was 9nm exactly where I wanted it.

    Check me in 20 hours...

  10. #10
    It's not the destination, it's the journey!! Rip'nTear SHO's Avatar
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    Sounds good!!!!!

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