I recently purchased a coolster 125 pit bike and I cannot get it to stay running. It will crank over and fire with starting fluid but it feels lit it isn't getting gas, but the carb bowl is full. I took the idle and main jets out cleaned them both and adjusted the needle to the center notch. other than that i cannot see any issues with anything else in the carb. also, Does this bike have a kill switch on the clutch? you cannot kick/bump start it with the clutch pulled in, the piston will not move.