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Discussion Starter · #1 ·
A friend of mine has 2000 mach z that is making a thumping sound at 60 mph and up. A few weeks ago while riding he heard a clicking sound that he had not heard before at about 45 mph. Now its a thumping sound only above 60 mph. Any ideas??
 

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Runnin Against The Wind!
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This happened to my wife's sled. It turned out to be the belt. Check the under side of the belt for wear. This might be it.
 

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Discussion Starter · #4 ·
Weve checked the belt and any other obvious things we could think of. Track is not loose and the sled seems to run good. Any other thoughts would be appreciated.
 

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Hmmm well I had a clicking sound on my sled awhile ago. Went all the way up north and found out the hard way that it was the rear main idler wheel. IT just kind of shattered off on the trail at some point.
 
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