KF1

KF1 is the top level of karting. It is open to drivers aged 15 and up.

This class used to be called Formula A and has changed since January 2007 when CIK-FIA decided to replace the 100 cc water-cooled two-stroke engines with 125 cc Touch-and-Go (TaG) water-cooled two-stroke engines (KF type). The engines produce . KF1 class karts use hand-operated front brakes. The front brakes are activated by a Lever. Chassis and engines must be approved by the CIK-FIA. Minimum weight is with driver.