The choice of Team Honda for years on all there in-line 4-cylinder race bikes in Superbike, World Championship Endurance and Formula One classes. You’ll find the power you need with these Keihin Roundslide CR carburetors. Designed for use on sidedraft four-stroke motorcycle engines. Features include: Improved throttle response; direct linkage to slides provides more precise control than vacuum slide carburetors. A 10% horsepower gain can be expected; Smooth venturi design produces stronger power than original equipment carburetors using butterfly throttle valves. Race fuel capability. Available for gasoline or alcohol use. Re-jetting required when using alcohol or methanol, kit available as an option. Ready to bolt-on and run, these kits come complete with mounting spigots, velocity stacks and velocity stack covers. Available sizes: 26, 29, 31, 33, 35, 37 and 39mm. Intake length can be adjusted with optional mounting adapter spigots.

Note: Aftermarket carburetors are not legal to use in California on pollution controlled motor vehicles.