spent 6 days at the dunes up here in oregon last week and the only thing that broke on the teryx was the belt. it may have been the low range wheelies in the parking lot or maybe it was hitting the whoop roads at 40mph not sure but it went big time at 37hrs on the machine, must have broke it into a dozen pieces or more. the funco lt kit is super smooth in the whoops, did bottom it a few times jumping it and hitting some stuff a little too fast but it worked excellent. 840 ran perfect! hope someone has a belt that will last a little longer. owned a rhino for 4 1/2 years and never had to replace a belt, of course it never ran like my teryx! how many others are killing these belts?