Ok so this engine is new to me. Recently bought carb kits, rebuilt and cleaned the carbs. Adjusted to best idle. New plugs, and the engine runs great at high speeds but at an idle it coughs and spits. It acts like it wants more fuel but when I adjust the carbs to run richer it still coughs and runs rough. Now there is a manual choke lever for cold starts. When I turn this lever about half way it smooths out and runs like it should. But it smokes more because it's running rich. What could be my issue??
