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Message: [QUOTE="a454elk, post: 739381, member: 23609"] Yeah it probably didn't seize, but it sounds like your piston had a problem. Look at the area where the piston had damage and line it up to the cyclinder wall and see what it looks like. There is usually play in the rod, there was on both of my bikes. It did move side to side too. Once the piston is all the way in the cylinder, it usually won't move other than up and down. It may have just lost compression which caused it to bog down, trust me, I know this! Anyway, I'd take a good look in the cylinder and see why and where it hit. A majority of the time that I've seen this problem, it's near the exhaust port. If the rings are in good shape, then it may have just overheated, not sure. Good luck [/QUOTE]