How do carburetors work? This video explains carburetors and the components involved. They are used to mix the fuel into the air entering the engine, and are placed just before the throttle body. The ...

Harley-Davidson has used the 40mm Keihin constant velocity (CV) carburetor since 1988 on Sportsters and introduced them in 1990 on the Big Twins. The 1988 model differed from the 1989-and-later carbs ...