Just a thought here, did they change the gearing in your sled when you got the diamond drive replaced? It sounds like an over rev condition to me.
On my M1000, if I am doing high speed stuff down a lake and then hit an icy spot and then over rev'ed, I would kiss that belt goodbye. there would be no load on the track at high rev's to keep the belt in the primary.
My freind and I both blew belts on the same lake within 100 ft of each other. We compared notes and realized that if we over-rev the motor in those kind of conditions , the belt would climb over the primary and then destroy itself on the primary clutch towers. Jumping could give you a similar condition. Also, stick with cat belts, we found the other makes just didn't hang in there. At least that's what we found. Belt heat is definitley a killer too.
Somebody with a good plastic welder couldn't fix your side panel hole? Or was it too ugly?
Hope this gives you some ideas, other than the obvious. Good Luck,as they are awsome machines.
