Yeah, I learned to have the numbers run before you buy, because after you buy one, if it's stolen you can't even turn it in to the Police without getting arrested, evidently. I was having the numbers checked, so it would have been the same difference as turning it in to them if it was stolen.
Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!
You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.