I have a 1999 banshee that was running fine than it bogged down, It starts but appears to be only running on one cylinder, I replaced the spark plug and checked for spark which I am getting, then took the spark plug out and it is dry,I Removed the carb and cleaned it and the jet was clear, and the floats seem to be working ok, still no sign of gas in the 2nd cyl, I drained the carb with the screw at the bottom and the carb is getting fuel, I held my thumb over the spark plug hole and i have compression but no gas. Any suggestions?