There is more information and the regulations on the More Information page

ABkC Dunlop Cadet National Championship sponsored by StingrayRV
Cadets are for 8 to 13 year olds, and the specially approved mini-chassis (not restricted to British makes) use a 60cc Comer W.60 engine. Tyres are from Dunlop and number plates are yellow with black numbers.

ABkC Tal-Ko Formula Junior TKM National Championship
For 11 to 17 year olds, restricted to 100cc British TKM engine with an inlet restrictor and approved British made karts. No tuning or 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 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 to just qualify for the right to race in the Super 1.

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.

 

ABkC MiniMax National Championship sponsored by StingrayRV
For 11 to 17 year olds, the class is run to the regulations in the MSA Kart Race Yearbook (the Gold Book), and chassis registrations are NOT required. A restricted version of the Rotax Junior 125cc engine is used. Tyres are Vega SL8.

ABkC Rotax Junior Max National Championship sponsored by StingrayRV
For 13 to 17 year olds, the class is run to the regulations in the MSA Kart Race Yearbook (the Gold Book), and chassis registrations are NOT required. A de-tuned version of the senior 125cc engine is used. Tyres are Vega SL8.  Experienced drivers can start in the year of their 13th birthday.

ABkC Rotax Senior Max National Championship sponsored by StingrayRV
For drivers from age 16th year upwards, this senior class runs to the regulations in the MSA Kart Race Yearbook (the Gold Book). The engine is a powerful 125cc two-stroke, with an on-board electric self-starter. Vega SL6 slicks and wets are used.

ABkC Rotax Senior Max 177 National Championship sponsored by StingrayRV
Offered for the first time in 2006, this senior class runs to the same regulations as Senior Max except that the weight limit is higher and the driver must weigh a minimum of 85kg.  Number plates are green with white numbers.

ABkC Rotax Max DD2 National Championship - discontinued
Offered for the first time in 2007, this senior class runs to the regulations published by JAG and the ABkC. The engine is a powerful 125cc two-stroke, with an on-board electric self-starter, and has two forward gears. Grippier Vega FM slicks and wets as Max are used.

B4/Renault MSA Formula KF3 British Championship sponsored by StingrayRV
For 13 to 17 year olds (12 with prior experience), 125cc reed valve engine with centrifugal clutch and various tuning restrictions. They use Bridgestone tyres and yellow number plates with black numbers. This is also a class raced internationally and many of our drivers will also compete in European and World events. Timed qualifying is held to determine the grid positions for the two heats. The best 30 drivers progress to two points scoring finals.

B4/Renault ABkC KF2 National Championship sponsored by StingrayRV
This class is one of the hardest fought and competitive classes, using internationally homologated (registered and approved) chassis with 125cc reed valve TAG engines, maximum rpm 15000. For seniors (16th year and above, or younger with international experience), using Bridgestone  tyres and white number plates with black numbers.  Each driver in this class will take part in a ten minute timed session, to determine the grid positions for the two heats. The best 30 drivers progress to two points scoring finals..

B4/Renault MSA Formula Super KF British Championship sponsored by StingrayRV
For over 16 year olds (younger with additional experience) using 125cc reed valve TAG engines with a bigger carburettor, max rpm 16,000. Few engine restrictions make this the fastest direct drive class, and many of our drivers also participate in the European and World karting championships. Uses Dunlop tyres and has yellow number plates with black numbers. Timed qualifying is held to determine the grid positions for the two heats. The best 30 drivers progress to two points scoring finals.