wich 1 is the idle screw on the carb :/ ?? to turn up the revs cuz it just keeps dyin soon as i let of the gas need to turn it up so it revs quite high wen i let off but dosent cut out there are to scres on the carb not sure wich 1 is it the 1 closest to the back wheels or the 1 closest to the front wheels ?? wb thanx alot matty
