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Thread: werid shudder that i can't seem to put my finger on

  1. #1

    werid shudder that i can't seem to put my finger on

    Been using my uly as my daily rider. just had a werid shudder happen today that I can't put my finger on. I'm not sure if it's the clutch slipping and grabbing causing the rear wheel to jump/hop about or if it's the rear shock thats not happy. It's happened when i pulled out of a side street and started to accelerate. not sure which way to go. felt like someone shoved a jack hammer under seat.

    If I decide to go down the clutch route, i'm looking at 210 for a alto carbonite kit plus 40 for the the clutch tool. If its the shock, i'm looking around 400 if memory is correct.

    has anyone else had a similar feeling?

  2. #2
    Senior Member d_adams's Avatar
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    Check the belt for missing teeth stripped off of it.

  3. #3
    Senior Member Chicknstripn's Avatar
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    How many miles on your bike and what modifications have been done to it?
    Before buying any NEW parts I’d insure that the primary chain and clutch are adjusted correctly.
    If those check out then I’d inspect the pulleys, drive belt and rear wheel bearings.
    After all those checks then I’d start to inspect the shock to see if there’s any visible fluid leaks or anything obviously wrong with it.

    Report back your findings

  4. #4
    Been busy, bike is at 34,000 miles. i'm putting about 300 miles a week on it.

    It's a werid one as it doesn't happen all the time. Rear wheel bearings are relatively new, belt is about 6 months old. Free spirits tensioner is newish as the old one decided to fly apart. pulleys are ok, can see where belt has been running, but not worn into it (if that makes sense)

    I have been tossing th idea in my head between shock or clutch. I am leaning more towards clutch slipping as the bike is riding nice suspension wise. I'm currently pricing up parts to see worst case.
    Last edited by fattyJr; 10-12-2018 at 04:11 PM.

  5. #5
    Senior Member lunaticfringe's Avatar
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    as i recall from prior posts you beat the living hell out of this ulysses. you have extreme "driveline snatch". online perverts always enjoy a quality in-depth snatch discussion.
    dean directed you to check the obvious which is both a great call and often times overlooked.
    this is the result of either a primary drive component about to catastrophically fail....a serious clutch pack problem...or transmission component failing. personally i would NOT ride it till the culprit identified and proper repairs made.
    Last edited by lunaticfringe; 10-12-2018 at 02:32 PM.

  6. #6
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    From reading your past posts, I also think that you have something going on with the rear wheel and or rear drive line, something is either worn beyond specs. or not installed correctly.

  7. #7
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    Hello, I had this same issue a couple of weeks ago. My solution was new front and rear motor mounts, clutch pack adjust, re-pack wheel bearings, and belt pulley bearings, new clutch cable, and now it is Golden. Also adjusted to primary chain.
    Last edited by Tbone; 10-24-2018 at 04:41 PM.

  8. #8
    well, little feedback. PO had installed a free spirits tensioner. Well it sheared the main bracket where the pivot bolt is for the wheel mount. I chucked the stock tensioner on with a replacement wheel and it's not shuddered one bit since.

    I have checked everything else out as suggested and everything it bang on spec. so will keep you posted.

  9. #9
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    Good job !



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