Comer Cadet |
Age: 8 - 12 years |
Weight: 97kg (S60 = 95kg) (Min. Kart & Driver) |
Engine: 60cc Comer engine with Clutch. Recoil starter. |
WTP Cadet |
Age: 8 - 12 years |
Weight: 100kg for 2005 regs (Min. Kart & Driver). The new B5 TAG engine, when approved, will raise the weight to 103kg, and the existing B1 engine will fall to 93kg minimum weight. |
Engine: 60cc WTP sealed engine, clutch. |
Junior TKM - 2S |
Age: 11 - 16 years |
Weight: 129kg (Min. Kart & Driver) |
Engine: TKM BT82 100cc restricted Piston-Port engine, optional clutch. |
Jnr TKM Inter - 2S |
Age: 11 - 16 years |
Weight: 144kg (Min. Kart & Driver). Minimum driver weight 62kg. |
Engine: TKM BT82 100cc restricted Piston-Port engine, optional clutch. |
Junior Blue |
Age: 11 - 16 years |
Weight: 125kg to 155kg (Min. Kart & Driver). See regulations. |
Engine: IAME Linx 100cc, clutch, driver/weight restrictors. |
Junior UK Clubman |
Age: 11 - 16 years |
Weights: 125k - 140kg (Engine dependant) Min driver weight from 60kg. |
Engine: Parilla Leopard 125cc or piston-port engines (restricted) |
Jnr Rotax MiniMax |
Age: 11 - 16 years |
Weight: 135kg (Min. Kart & Driver) |
Engine: Rotax FR125 Junior Max (restricted) |
Junior Rotax |
Age: 13 - 16 years |
Weights: 148kg (Min. Kart & Driver) |
Engine: Rotax FR125 Junior Max |
JICA
(Junior Intercontinental A) |
Age: 13 - 16 years |
Weight: 135kg (Min. Kart & Driver) |
Engine: CIK 100cc piston-port engine with clutch. |
Honda Cadet |
Age: 8 - 12 years |
Weight: 100kg (Min. Kart & Driver) |
Engine: Honda Gx160 160cc four-stroke engine with clutch. |
Junior TKM - 4S |
Age: 11 - 16 years |
Weight: 140kg (Min. Kart & Driver) |
Engine: TKM 200cc 4-stroke junior version, clutch, restrictor. |
Honda Junior |
Age: 11 - 16 years |
Weight: 145kg & 152kg (Min. Kart & Driver) |
Engine: 2 x Honda Gx120cc (145kg) or 2 x Gx160cc (152kg), clutch. |
Honda Junior Heavy |
Age: 11 - 16 years |
Weight: 160kg. Minimum driver weight 62kg. |
Engine: 1 x Honda Gx120 & 1 x Honda Gx160 4-stroke clutched engine. |
Junior Gearbox |
Age: 13 - 16 years |
Weight: 155kg. (Min. Kart & Driver) |
Engine: TM85 MC and Honda CR80 engines, 6 speed. |
Formula 100 National |
Age: 16 years + |
Weight: 155kg (Min. Kart & Driver) |
Engine: Generally 2003 & earlier rotary-valve engines, 24mm carb. |
Formula TKM - 2S |
Age: 16 years + |
Weight: 148kg & 163kg (heavy) (Min. Kart & Driver) |
Engine: TKM BT82 115cc piston-port engine with optional clutch. |
Rotax Max 125 |
Age: 16 years + |
Weight: 162kg (Min. Kart & Driver) |
Engine: Rotax FR125 Max sealed two-stroke engine with clutch. |
Rotax Max 125 Heavy |
Age: 16 years + |
Weight: 177kg (Min. Kart & Driver) |
Engine: Rotax FR125 Max sealed two-stroke engine with clutch. |
Rotax Max 125 Heavy Veterans |
Age: 40 years + |
Weight: 177kg (Min. Kart & Driver) |
Engine: Rotax FR125 Max sealed two-stroke engine with clutch. |
Formula Blue |
Age: 16 years + |
Weight: 125kg to 155kg (Kart & Driver) See regulations |
Engine: NKRA listed engines |
Formula Libre |
Age: 16 years + |
Weight: 155kg (Kart & Driver) |
Engine: 100cc direct drive. (Open grid for club racing) |
ICA
(Intercontinental A) |
Age: 16 years + |
Weight: 150kg (Min. Kart & Driver) |
Engine: Reed valve 2-stroke engines (maximum 100cc), 24mm carb. |
Formula A |
Age: 16 years + |
Weight: 150kg (Min. Kart & Driver) |
Engine: Rotary or reed valve engines. Latest models. |
Formula TKM - 4S |
Age: 16 years + |
Weight: 162kg & 175kg (heavy) (Min. Kart & Driver) |
Engine: TKM 200cc 4-stroke, clutch |
Honda Senior |
Age: 16 years + |
Weight: 175kg (Min. Kart & Driver) |
Engine: 2 x Honda Gx160 160cc 4-stroke engines with clutch. |
125 ICC (UK) |
Age: 16 years + |
Weight: 180kg (Min. Kart & Driver) |
Engine: 125cc reed valve engines with 30mm carburettor. |
125 Open |
Age: 16 years + |
Weight: 185kg Short circuit (Min. Kart & Driver) |
Engine: 125cc reed or rotary valve engines. |
210 |
Age: 16 years + |
Weight: 185kg Short circuit & 190kg Long circuit (Min. Kart & Driver) |
Engine: Villiers 9E (or replicas) air-cooled 2-stroke engines. |
250 National |
Age: 16 years + (17 years + for long circuit) |
Weight: 195kg Short circuit & 200kg Long circuit (Min. Kart & Driver) |
Engine: 250cc single-cylinder engines with 5 speed gearbox. |
Formula 250E |
Age: 16 years + (17 years + for long circuit) |
Weight: 210kg (Min. Kart & Driver with Bodywork) |
Engine: 250cc twin-cylinder + Rotax 257 + 125cc twin engines. |