ok thanks for the tip i had another question i just bought this bike and its got really low gearing i can barely hit 6 gear its got a 15 tooth sprocket in front and a 39or 40 rear. i have a brand new 13 tooth front sprocket i was thinking about putting that on what do you think? Also i think my jetting is off i have 230 mains and 25 pilots. the bike has DG exhaust,pro design intake with open airbox, tors removed with twist throttle and i know it was rebuild with Wisco pistons cant tell you if its stock bore or been bored out.