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Message: [QUOTE="snb73, post: 1016871, member: 49046"] phranticness, I bought an 03 a few years ago and had the same problem. During the test ride the bike had noticable vibration. I did some reading and most riders said the KX vibrates alot. When I got the bike home and took everything apart for a good cleaning and to lube all bearings. I found all of the engine mounts were loose. The head mount (cylinder head to frame) was loose and one side was cracked. These are hidden by the gas tank. Check all your engine mount bolts for proper torque. Don't forget the swingarm blot and the head stays. Hope this helps, Steve. [/QUOTE]