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  1. #1
    Jarrett's Avatar
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    When did your SC fail?

    Seems to be happening more and more. Let's get a catalog of when/why


    What year is your RXP? 2004
    What color is your RXP? Green
    What kind of water/riding conditions? Freshwater lakes, mostly smooth, but up 3+ foot washing machine chop at times
    How many hours did the SC have on it when it failed? ~77 hours
    Was your ski absolutely stock when the SC failed? No
    If not, what mods did you have? RR Stage I, Power Filter, Vortech imp
    Had you just added new mods when the SC failed? Yes
    If so, what mods? Rotax Racing Stage I, specifically the RR HD clutch assembly.
    What was your SC setup at time of failure: Vortech impeller plus HD clutch. Stock shaft was used and two shims were installed.
    How long after adding the mods did the SC fail? 5 minutes
    Was the failure caused by an improper installation of the mods? Yes
    Do you think the mods caused the failure? No
    Why? Although too tight slip point could have caused if install was proper
    What was your slipping moment at time of failure? Not sure, but guess ~12lbs. due to using two shims
    Did your ceramic washer(s) break and fall into the engine? Yes
    After repairing the SC, is your SC working now? Yes
    For how long? ~12hours
    If successfull, what setup are you running now? RR HD Clutch with HD shaft, no shims, installed by Mark Underwood at Race Tech
    What is your slipping moment now? Started at 10lbs, but hopefully loosened up to 8-9lbs. now after break in

    Feel free to add to the questions. Hopefully if everyone does this we can start to see patterns.


  2. #2
    mxl16's Avatar
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    May 2005
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    What year is your RXP? 2005
    What color is your RXP? red
    How many hours did the SC have on it when it failed? ~14 hours
    Was your ski absolutely stock when the SC failed? No
    If not, what mods did you have? opas b/o's, riva bov
    Had you just added new mods when the SC failed? Yes
    If so, what mods? bov
    What was your SC setup at time of failure: 100% stock
    How long after adding the mods did the SC fail? 2 days
    Was the failure caused by an improper installation of the mods? no
    Do you think the mods caused the failure? No
    Why? installed bov on other ski at same time, they have had no problems.
    What was your slipping moment at time of failure? Not sure...stock
    Did your ceramic washer(s) break and fall into the engine? not sure yet..hopefully not.
    After repairing the SC, is your SC working now? didnt get that far yet
    For how long? n/a
    If successfull, what setup are you running now? will be running stock, once again
    What is your slipping moment now? whatever stock is

    i will fill in the blanks on 2morow when i hear from the dealer. hope it helps figure out this mysterious clutch problem/s

  3. #3

    Join Date
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    Y not also do a poll as such?

    Who is the best to install the Cluch and SC impeller? PPG, Riva or Mark

    Who has a failure of there SC after one of these grops has install there SC and HD cluch??

  4. #4
    Nobody Really bling bling's Avatar
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    no failures here 2004 rxp green stock

  5. #5
    Jarrett's Avatar
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    Quote Originally Posted by Jrsrxp
    Who has a failure of there SC after one of these grops has install there SC and HD cluch??
    I assume Riva doesn't do the RR stuff. I've seen failures from both of the other shops. Not lately though.

    Sounds good, do you know how to setup the poll?

  6. #6
    Nobody Really bling bling's Avatar
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    Only the moderator can set up a poll under the poll section . I have tried it

  7. #7
    Water4fire's Avatar
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    30 hours stock clutch and no major mods until next ride.

    Still pulls like a bull.

    Yea, I also am thinking of sending my unit off when it goes.
    Who should get it?

    Has a stock clutch ever shattered?

  8. #8
    no failures on stock 2004 green rxp, or 2003 red GTX SC

  9. #9
    Rendog's Avatar
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    jacksonville fl.
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    What year is your RXP? 2005
    What color is your RXP? green/black
    How many hours did the SC have on it when it failed? ~64 hours
    Was your ski absolutely stock when the SC failed? yes
    If not, what mods did you have? N/A
    Had you just added new mods when the SC failed? N/A
    If so, what mods? N/A
    What was your SC setup at time of failure: 100% stock
    How long after adding the mods did the SC fail? N/A
    Was the failure caused by an improper installation of the mods? N/A
    Do you think the mods caused the failure? N/A
    Why?
    What was your slipping moment at time of failure? Not sure...stock
    Did your ceramic washer(s) break and fall into the engine? YES
    After repairing the SC, is your SC working now? didnt get that far yet
    For how long? n/a
    If successfull, what setup are you running now? will be running stock, once again
    What is your slipping moment now? whatever stock is

  10. #10

    Join Date
    Apr 2005
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    Michigan
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    Riding Conditions Also.....lake,ocean,glass,choppy ect.

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