ABkC Tal-Ko Formula Junior TKM National Championship

For 11 to 17 year olds, restricted to 100cc British TKM engine with various sizes of inlet restrictors depending on the weight of the driver, and approved karts. No tuning and very few chassis modifications are allowed. Uses Maxxis long life tyres and blue number plates with white numbers.

ABkC Tal-Ko Formula TKM Extreme National Championships

The same type of engine and chassis types as the junior, but without an engine restrictor, makes it easy to move from Junior to Senior and the engine is increased in size to 115cc. The class uses red number plates with white numbers and Maxxis tyres. The TKM classes are raced extensively at club level, resulting in high competition in the Super One.

ABkC Tal-Ko TKM 4-stroke championship for Seniors (Juniors is not running in 2010)

Offered for the first time in 2003, these classes are run to the regulations issued by Tal-Ko for karts using their 200cc SOHC 4-stroke enine. Tyres are from Maxxis. Seniors use red plates with yellow numbers and juniors blue plates with yellow numbers.

ABkC Dunlop Honda Cadet National Championship

Cadets are for 8 to 13 year olds, and the specially approved mini-chassis (not restricted to British makes) use a 160cc un-sealed Honda 4-stroke GX160 engine. Tyres are from Dunlop and number plates are yellow with red numbers.