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

Kart Classes in the U.K.

Class

F. TKM 4-stroke