Kinda wish I wouldn't have even put this on here now after all of negitive comments, put it this way it could be and injector but i dought that would lock the motor up like it did the first time it stop, I myself not my buddy got down and spun the clutch free and then told him to try start it we were in a spot that would have been hard to pull it out of and since it is under warrenty and if it starts and runs we were driving it back. On the way back to town it killed again I then started it (myself) and drove it back to polaris west and asked if they had seen or heard of any others doing this and the answers was NO, we were also told that at this moment if is a cylinder and piston they don't even have any to try and replace it so we cut our trip a day short and will take it to a local dealer to find out whats up. It has 600 miles on it and the only thing done is a stuthers clutch kit, running ves oil and like i said before has ran great before this and by the way i have rode with him on almost all of the miles, I have the same sled and have just a little stubble at low rpms other wise mine runs great!!