Kart Classes |
There are over 20 kart classes in the UK, with all of those listed below recognised by the MSA. Meetings are held for almost all classes on a regular basis by local kart clubs although not all clubs offer racing for all classes, so always check first.
MSA Cadet & Junior Classes
All
classes are 2-stroke unless otherwise stated
Bambino | Age: 6 - 8 years |
Weight: 69kg (Min. Kart & Driver) | |
Engine: Comer C50 MSA homologated engine. | |
IAME Cadet | Age: 8 - 13 years |
Weight: 103kg (Min. Kart & Driver) | |
Engine: 60cc Parilla Gazelle unsealed engine, clutch, recoil starter. | |
Honda Cadet | Age: 8 - 13 years |
Weight: 103kg (Min. Kart & Driver) | |
Engine: Gx160 4-stroke engine, clutch, recoil starter. | |
Junior TKM - 2S | Age: 11 - 17 years |
Weight: from 123kg (Min. Kart & Driver with 38kg Driver Minimum) | |
Engine: 115cc BT82 with restrictor, optional clutch & TaG. | |
Rotax MiniMax | Age: 11 - 15 years |
Weight: 135kg (Min. Kart & Driver with 39kg Driver Minimum) | |
Engine: Restricted version of Rotax Junior Max. | |
Rotax Junior Max | Age: 13- 17 years |
Weight: 148kg (Min. Kart & Driver with 42.5kg Driver Minimum) | |
Engine: Junior version of Rotax Max (Senior) with restricted engine. | |
X30 Mini | Age: 12 - 17 years |
Weights: 136kg (Min. Kart & Driver with 39kg Driver Minimum) | |
Engine: Mini version of X30 (Junior) with exhaust restrictor. | |
X30 Junior | Age: 13 - 17 years |
Weight: 148kg (Min. Kart & Driver with 41kg Driver Minimum) | |
Engine: Junior version of X30 (Senior) with exhaust restrictorr. | |
OK Junior | Age: 13 - 17 years |
Weight: 142kg (Min. Kart & Driver with 40kg Driver Minimum) | |
Engine: Vortex DDJ 125cc TaG engine. Junior version of OK (Senior). |
MSA Senior Classes
All classes 2-stroke unless otherwise stated
TKM Extreme | Age: 16 years + |
Weight: from 123kg to 148kg (Min. Driver Weight from 38kg to 67kg) | |
Engine: BT82 115cc with optional clutch & TaG. | |
Rotax Max / 177 | Age: 16 years + |
Weight: 162kg (Min. Kart & Driver) (177kg = Heavy with 80kg driver min.) | |
Engine: 125cc Direct Drive Commercial TaG class. Electric start. | |
X30 Senior | Age: 16 years + |
Weight: 164kg (Min. Kart & Driver) | |
Engine: IAME Commercial TaG class. 125cc TaG unsealed engine. | |
OK Senior | Age: 16 years + |
Weight: 164kg (Min. Kart & Driver) | |
Engine: Vortex DDS 125cc TaG engine. | |
Formula Libre & Clubman | Age: 16 years + |
Weight: Various (Min. Kart & Driver) | |
Engine: 4-stroke Honda Junior & Senior, World Formula & older engines. |
MSA Gearbox Classes
All classes
2-stroke unless otherwise stated
KZ2 | Age: 16 years + |
Weight: 175kg (Min. Kart & Driver) | |
Engine: 125cc water cooled engine, 6 gears. Int'l & British Championship class. | |
KZ UK | Age: 16 years + |
Weight: 180kg (Min. Kart & Driver) | |
Engine: 125cc reed valve engine with 30mm carb, 6 gears. | |
250 National | Age: 16 years + (17 years + for long circuit) |
Weight: 195kg Short Circuit & 200kg Long Circuit (Min. Kart & Driver) | |
Engine: Maximum of 250cc single-cylinder engines with 5 speed gearbox. |
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