Carb Boring

Bore your stock CB400F carbs to 24mm

Key Benefits
     Much less expensive than Keihin CR smoothbores
     No fitment hassles
     Works on stock and modified engines

Capabilities

Step 1 
Carb venturi is widened and raised using a CNC mill 
Step 2
Carb throat exit is smoothed into the venturi on a CNC lathe
Step 3 - Optional
While the carbs are apart, they can be rejetted, and a quick turn throttle cam installed

Pricing

Basic Boring 

You provide your stripped bare carb bodies for boring  - $239.00 + return shipping charges