Keihin CRS Smoothbore CarburetorKeihin Smoothbore Carburetors for the high performance motorcycle world. The CR carburetors are designed to offer a performance increase over stock production carburetors and have proven this by many Super Bike wins. In addition to adding performance, CRS carburetors are easy to tune because all jetting parts are available. Good for street use or the drag strip. Applications include most in-line 4 cylinder motorcycle engines.

The Keihin CRS Carburetors are also available for some twin cylinder applications.

Kawasaki EX500, GPX250, ZZR250, Ninja 250
Yamaha SRX600
CRS Duals
The CR Special's features:
1. Smooth bore for maximum air flow.
2. Easy installation. Kits available for 2 & 4 cylinder engines
3. Improved throttle response.
4. Sold with velocity stacks but can be used with air cleaners.
5. Venturi size available - 26, 29, 31, 33, 35, 37, and 39mm.
6. Fully adjustable to suit most inline sidedraft engines.