"2010 Model" Carburetor Restrictor (6mm) by Werks
This product was added to our catalog on March 9, 2010.
This is a Werks 6mm Carburetor Restrictor, and is intended for use with the Werks "2010 Model" carburetors that is included with the Werks B5 engine. The B5 includes a 7mm restrictor, and using this restrictor will help to increase runtime and bottom end throttle response.
NOTE: This restrictor will not work with the Werks B3, B7, or the 1st generation B5 engine!