I'm sure it's been stated before, but your putting to much weight on your hands. Your not supposed to lean on the bars, infact your barely supposed to touch them, squeeze them just enough to twist the throttle. your supposed to support yourself by squeezing the tank with your legs and using your back to hold yourself up, or leaning up against the tank with your stomach. get a copy of Twist of the Wrist II and read it you'll learn a great deal.