Briggs & Stratton World Formula Engine (Race Ready) MG This balance gear meshes with

This balance gear meshes with the balance shaft and main drive gear

The Sapphire is available with the 0039 resin seat as standard

This comes un-filled

Each oil seal is 25mm in ID

For Junior and Senior

Briggs & Stratton World Formula Engine (Race Ready) MG This balance gear meshes withBriggs & Stratton World Formula engine for racing go karts. Ideal for those that want a little more horsepower and performance over the Briggs Animal line of engines, with reliability of a Briggs & Stratton product. The World Formula produces about 12 horsepower, a step up from the 206! Overview Launched in 2003, the World Formula was an engine built to follow along with CIK FIA karting regulations, with ambitions to take on the world with a cost