Kart Classes in the U.K.

Summary of Main ABkC Kart Classes for 2009  with popular options

Class

Number

Plate/No

Weight kg

Short/Long Cct

Ages

Tyres Dry

Wet

Comments

Comer Cadet (W.60)

Yellow/Black

99

8-13

Dunlop SL3

KT3

60cc Comer engine, recoil starter, clutch

Honda Cadet

Yellow/Red

100

8-13

Dunlop SL3

KT3

GX160 sealed engine, clutch, budget class

WTP Cadet

Green/White

B5 103kg, B1 93kg

8-13

Dunlop SL3

KT3

60cc sealed WTP 2-stroke, clutch
B5 is new TAG engine, B1 is original

MiniMax

Yellow/Black

135

11-17

Vega SL8 JAG

W2

Restricted power version of Junior Rotax

Junior Honda Blue/White 152 11-17 Dunlop SL1 KT3 Twin GX160 4-stroke engines

F. Junior TKM

Blue/White

128/136/142

11-17

Maxxis SLC

F.TKM ‘Red’

Restricted 101cc BT82, economy class (various restrictors), optional clutch

Junior Max

Red/White

148

13-17

Vega SL8 JAG

W2

Junior low power version of Rotax Max

KF3

Yellow/Black

145

13-17

B’stone YGB

YEJ

125cc International TAG class, age 12 for experienced drivers

TKM Extreme

Red/White

148

16 up

Maxxis SLC

F.TKM ‘Red’

BT82 ~115cc Extreme engine, optional clutch

F. TKM 4-stroke

Red/Yellow

162

16 up

Maxxis Red label

F. TKM

200cc 4 stroke, clutch

F. TKM 4-stroke Jnr

Blue/Yellow

140

11-16

Maxxis SLC

F. TKM

Restricted 200cc 4 stroke, clutch

Rotax Senior Max

Blue/White

162

16 up

Vega SL6 JAG

Vega W2-JAG

Sealed 125cc engine, direct drive, clutch

Rotax Senior Max/177

Green/White

177 (Driver min85kg)

16 up

Vega SL6 JAG

Vega W2-JAG

As Rotax Max but for heavier drivers

KF2

White/Black

160

16 up

B’stone YGB

YEJ

Premier 125cc International TAG class

KF1

Yellow/Black

160

16 up

Dunlop DDS

KT11

125cc International TAG class

Senior Honda White/Red 175 16 up Dunlop SL1 KT3 Twin Honda GX160 engines
World Formula Green/White 162 16 up Bridgestone YJL YGR Briggs & Stratton WF 4-stroke

Junior Gearbox

Red/White

155

13-16

Dunlop SL4

KT10/11

Junior entry 6-speed TM or Honda 85cc

125 Europa

White/Black

185

16 up

LaCont CIK-H

CIK-07

A class – Motori BAT, B class – Gilera engine

125 Open

Blue/White

185

16 up

Dunlop SL4

KF8/10/11

Rotary or reed valve 6-speed

125 ICC UK/KZ2 UK

Green/White

180

16 up

Dunlop SL4

KT10/11

CIK reed valve 6-speed, 30mm carb

KZ1

Yellow/Black

175

16 up

Dunlop DCH

KT11

As ICC UK, but premier championship class

Formula 210

Red/White

185/190

16 up

Dunlop SL3

Dunlop

Classic Villiers 197 or replica engines

250 National

White/Black

195/200/205

16+

Open

Open

Registered motocross 250cc 5-speed

Rotax DD2

White/Red

175

16

Vega FM JAG

W2 JAG

125cc Max with 2 gears

Key: * With baseline strip,  + means 17 years age minimum for long circuit, # means from 12 years with min 12 mths Nat A licence.
Tyres often have specific markings to be eligible for the class, see regulations in MSA Kart Race Yearbook.

*Junior karts have a maximum permitted weight without driver for safety reasons:-

Junior TKM: 94kg & varies for other restrictors; MiniMax 104kg; Junior Max: 108kg; KF3: 105kg; Junior TKM 4-stroke: 105kg; Honda Junior: 117kg; Junior Gearbox: 115kg.

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Last Updated: 12 January 2009

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