we have aviper in our area thats been well set up and kicks but on the 1000 in canada when u go to a drag races u will see 150 sleds, take a count and u will see about 10 yamahas out of the bunch at the end of the day u,ll see about 5 of them finish in the top 4 , when set up right they are unbeatable, when i was snow crossing in the late 80s i was kicking buts in the open class with a modified 84 phazer beating the formula plus skidoos and the 650 indys, when the race was done they were coming to see what i had under the hood lol i,d be finishing in the top 4 out of 10 sleds in the open