I just picked up my first banshee. I have been wanting one since I was real little and finally just traded for one. I have been told these run in the 100's. Mine topped out at 60MPH last night. What gives? I have lightened pistons, T6 pipes, and some Carbon fiber reeds. The tires were low and im 280lbs, but 40mph difference? I was PINNED in 6th gear on pavement.