2003 kawasaki KX 250 "bayou 220 fuel valve" Questions

bayou 220, the fuel lever positions for fuel Off VS On (ON = vertical?). The valve is open when the lever and valve are parallel. Generally that is down. When the lever is pointing across the valve it

Bayou 220 and it won't keep running As soon as I give it gas it stalls. Idels for a bit then quits the carb is fine the valves are fine on the cam and it gets gas and usually you know you have to give