Carb needle and seat attaches to the float is leaking, not stopping the fuel.. could be water of trash in the fuel, could be ( not knowing the float material) float could be brass and has a small hole, remove bottom of carb. carefully checking float to see if is brass then cheching ( if it is) having fluid in it, replace it... if it plactic, replace fuel and needle and seat kit.. available at most all repair centers...
knightlite7
December 2009