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Old 04-20-2013, 12:14 PM   #1
jmstar09   jmstar09 is offline
 
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Join Date: Sep 2007
Location: So-Cal
Posts: 23
Remove the belt and variator and run it. If the noise persists then it's not related to the belt/CVT. If the noise goes away, then I would start looking at the clutch. It has two bearings.

IMPORTANT WARNING: Running the engine with the cover off is okay as long as you apply pressure to the kicker shaft so it doesn't vibrate out. If it does, the intermediate gear can vibrate out as well and it will shear off the variator guide rails rendering the variator useless. I learned that lesson the hard way.
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Old 04-20-2013, 06:52 PM   #2
saferider1   saferider1 is offline
 
Join Date: Jan 2013
Location: Englewood, CO
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Hey guys, thanks for all of the suggestions. A random check of fasteners on the bike revealed the main cause of chatter--a bolt that fastens the tail pipe to the swing arm (see attached photo). After tightening that, the noise went away. That still doesn't solve the wildly flapping CVT belt, so I'll swap the OEM belt out for a Gates Powerlink. I'll report back what I find.
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