i hope some one might be able to tell me where to look i was out riding today and the throttle stuck and i couldnt get it to go finally it took of again but on 1 cylinder back to where we left the truck and trailer, not sure if this will make a difference but its a 2up and riding double plus my 4 yr old normally never that much weight a first. we had to get of the sled to make it up the hills . any one have an idea where to start to look . thanks