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 ...

Mikuni outs two new Performance Carburetor Kits based on their acclaimed HSR42 units. While the carb is basically the same unit, it's the back plates and mounting parts which make the difference. The ...

Modern fuel injection is amazing, but before injectors, ECUs, and fuel pumps motorcycles used carburetors. Some smaller bikes and two-strokes still do. Today on MC Garage we talk about the carburetor.

Mikuni American's popular HSR42mm Series Smoothbore Carburetors are available in easily installed "Easy Kits" for all late model Harley-Davidson and other American V-Twin applications. Included are ...