old vid, but i doubt anyones seen it... this is what happens when you run no clutch springs/broken clutch (they removed the springs and stops) dont fit a gear up and generally rape your bike top end... [youtube]http://www.youtube.com/watch?v=FcZ9ixUyV9U&feature=player_embedded[/youtube] that vibration you feel at the back of the bike when your raping an engine, its this about to happen. LOL