234862 40MM Mikuni Smoothbore Carburetor for Custom Building Choke

The Mikuni HS40 SmoothBore carburetor is a performance-oriented intake solution designed to enhance the power and torque of V-Twin engines. Featuring a 40mm venturi and a compact, lightweight body, this carburetor utilizes a smoothbore design to minimize air turbulence and maximize flow. It includes an adjustable accelerator pump for immediate throttle response and improved fuel economy across the entire RPM range. This unit comes complete with a choke cable and is built to provide easier starting and better rideability for both street and custom applications. Mikuni’s reputation for easy tuning makes the HS40 a reliable choice for riders seeking a significant upgrade over standard fuel delivery systems.