i am curious has anyone had problems with their 800 powervalves failing? a friend had 832 miles (trouble free) on a 800 when a powervalve failed and grenaded his motor....the polaris dealer (this was the 8th new sled this person bought from the SAME dealer) said that it was because of aftermarket equipment (a clutch kit) and polaris will do nothing about it. There was an article written in a popular sled mag (sno-goer i think) describing this exact problem....this article was sent in along with letter after letter to polaris and they basically told him to jack off. This was a very loyal polaris customer who was asking for them to fix a known problem and nothing. He will never buy another polaris and neither will I after being involved in this rediculous scenario. Another example of polaris not stepping up to the plate to fix their known issues.