Mikuni RS40-D1-K Carburetor Assembly

Tailored for high-performance four-cylinder motorcycles, the Mikuni RS Series Radial Flat Slide Carburetors deliver exceptional horsepower gains through their advanced smoothbore induction tract and radial flat slide design. Their innovative engineering includes an adjustable accelerator pump system, which ensures immediate throttle response, especially at lower RPMs. The RS Series is also notably compact, being 25 percent lighter than other performance carburetors, and is compatible with widely available Mikuni jets. These carburetors are offered in sizes of 34, 36, 38, and 40mm, making them a versatile choice for optimizing engine performance.