ok when i pull throttle back it will go the speed will pick up then if i slow down and go again it wont go as fast then if i let go of throttle a bit it will go fast :S whats goin on

might be dirt in ur carb?

yeh, give the carb a good clean, and check if you have a fuel filter. If not buy one... you can get a cheap one on ebay

is it a standerd jet and reeds or have u moded it

and filter timing plug whot is difrent from stock

everything on the bike is standerd nothing has been modded

thanks for the help guys