In the mornings while checking oil level fan belt etc on my K/G, I've noticed fuel on top of the pump and the leak is from the throttle (butterfly) shaft on the carb. It's not noticeable while it's running. & it's dry when I switch off. When I take the carb top cover off, the fuel level has dropped to one third full overnight- the same height as the 2 small fuel suction ports on the wall.
As I understand the workings, it needs air flow to get the fuel to be taken up-i.e. the float chamber should not "leak" unless airflow thru the venturi sucks it out. Has anyone "been here" before??