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Cobbled mini atv clutch issue

Discussion in 'Mowers and More' started by BuckthornBonnie, Aug 8, 2018.

  1. BuckthornBonnie

    BuckthornBonnie Super OPE Member

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    My buddy grabbed a cheapo atv with problems. Someone chopped up the frame and put in Briggs 5.5 ohv. It runs (thanks to carb rebuild, oil change, valve adjustment) but the clutch is fried.
    It’s a keyway clutch shaft (not a spline) that is 14mm at the end. The original clutch shoes/pads are shot.
    Is anyone into these things? Any options to make an eBay clutch work?
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  2. KYsawman

    KYsawman Super OPE Member

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    Check out comet industries, they are a leader in CVT clutch manufacturing. They make clutches from go carts to snowmobile and ATVs.
     
  3. BuckthornBonnie

    BuckthornBonnie Super OPE Member

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    Will do, thanks for the reply.
     
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  4. S Sidwell

    S Sidwell Super OPE Member

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    Check with Northern Tools also, they sale stuff like that also.

    Steve, Samsung On5 using Tapatalk
     
  5. BuckthornBonnie

    BuckthornBonnie Super OPE Member

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    K, thanks for the heads-up!
     
  6. Wagnerwerks

    Wagnerwerks I have yet to "suffer" from CAD

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    I had one of the 5hp go carts with the comet. They work very well. My son drove it into the ground and it would pull us both around without issue. They're so cheap on ebaeit makes me sick after rebuilding an original...
     
  7. BuckthornBonnie

    BuckthornBonnie Super OPE Member

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    I may have to make a sleeve to deal with the oddball crank size.
     
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  8. redline4

    redline4 Well-Known OPE Member

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    Try BMI kart also.
    Is that the shaft the clutch was on? On the jackshaft, not engine crankshaft?
    When I was racing mowers there were 2 different classes that allowed centrifugal clutches. Some guys ran them on the crank, some on the jackshaft.

    Comet Kart or EC distributing could also likely come up with something, but the clutches they carry are meant for more HP, and not cheap.
     
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  9. BuckthornBonnie

    BuckthornBonnie Super OPE Member

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    Yep, the clutch was on that jackshaft. Good to know about other options.
    Yeah, this needs to be a cheap fix. It’s already cost a lot of time just figuring out what the heck it is (still dont know brand or anything). It’s pretty much a death trap...
     
  10. BuckthornBonnie

    BuckthornBonnie Super OPE Member

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    No dice on any current production clutches fitting. Looks like we’ll need to make a sleeve or try to repair the old one. The shoes are totally shot, though.
     
  11. redline4

    redline4 Well-Known OPE Member

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    Couldnt you just use a different jackshaft? As long as the o.d. of tbe bearings are not some strange size, new bearings and a normal diameter jackshaft should cost too much.
     
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  12. J_M____

    J_M____ Super OPE Member

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    You can see if you can find a place that still relines brake shoes in house. They may be able to rivet on new material
     
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