Genuine Keihin Fuel Carb Roundslide 29mm CR fits Honda 71-73 CB500 74-78 CB550

Compatible with Keihin Roundslide CR Sidedraft Racing Carburetors
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 methane, 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.

These carbs are spaced for
Fits Honda
1971-73 CB500
1974-78 CB550

These carbs will need jetting per your application

Spacing: 78-92-78
Mains: 120
Mains Airs: 240
Needles: YY8
Slows: 60
Slides: 2.5
Spigot: 020-012

This is for the carb only

We are an authorized Keihin Dealer. These are Genuine Keihin carburetors, not Chinese knock offs.

Photo may not be an exact representation of the product.