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  1. #1

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    Super charger clutch hang?

    Just replaced my clutch on my 2009, with the new SVHO style.

    ride the river mostly. Been great all year I run a small c1 wheel-10lbs

    Last weekend took it to the beach, rode it one day.
    flushed it all. Went out the next day and no boost.... just the 5500 rpms I tried a few times mashing it while still on plane.... then came to a stop/ idle and hit it and boost is back. No more issues.... WTF

    having just replaced it I know how it works so how was the sprag slipping for a min or 2 and then magically
    worled?

  2. #2
    Site Admin Green Hulk's Avatar
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    You could have a boost leak. It's very common for the rubber throttle body mount to leak boost, especially when the ski gets hot. We all upgrade to this billet mount to solve that problem.


    RIVA YAMAHA 1.8L SHO/SVHO BILLET THROTTLE BODY ADAPTER / MOUNT (2017 and older)

    Replaces OEM throttle body adapter that is prone to failure and boost leaks. Includes all hardware, gaskets and O-rings for installation. Key...
    RY13040-BTA $85.00


  3. #3

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    While I may have a issue with that.

    this is the clutch not grabbing... then grabs again the rest of the day.... even felt it bang and grab once and then it was good again...

  4. #4

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    SC was primed with oil when re-installed? No give back wards on the wheel? Upgraded gear set as well as clutch?

    BOV leaking?

  5. #5

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    The clutch was solid. I have been running it, then next ride nothing then all the sudden grabs...

    yes was lubed, when installed with new Matching idle gear, bushing, new oil pump gasket ect... all has been fine.

  6. #6

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    Hmmmmm gear on end of SC shaft all good?

  7. #7

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    replace clutch again, use only Yamaha lube oil!

  8. #8

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    I pre lubbed it, and used yamaha lube oil for the ski.

    ski runs SMALL BOOST WHEEL 9-10lbs, and only ridden in rivers untill this trip to salt... so it’s not been best on on off and on off... somethjng is going on odd...

    grabs hard and holds ince you get it working?

  9. #9

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    Quote Originally Posted by mittens View Post
    I pre lubbed it, and used yamaha lube oil for the ski.

    ski runs SMALL BOOST WHEEL 9-10lbs, and only ridden in rivers untill this trip to salt... so it’s not been best on on off and on off... somethjng is going on odd...

    grabs hard and holds ince you get it working?
    @dijsil is having similar issue I think


    http://greenhulk.net/forums/showthre...17#post3048617
    Last edited by HDAV; 10-18-2019 at 02:55 PM.


  10. #10

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    clutch ,clutch , clutch, clutch that's all I have to say about that!

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