Class

Number Plate/No.

Weight kg (with driver)Short/

Long cct trim

Ages

Tyres – Dry

Tyres – Wet

Comments

Comer Cadet

Yellow/Black

99 (S60 = 95)

8-13

Dunlop SL3 ‘RAC’

KT3 ‘RAC’

60cc Comer sealed engine, clutch

Honda Cadet

Yellow/Red

100

8-13

Dunlop SL3 ‘RAC’

KT3 ‘RAC’

GX160 4-stroke engine, clutch, budget class

WTP Cadet

Green/White

93 B1 / 103 B5

8-13

Dunlop SL3 ‘RAC’

KT3 ‘RAC’

60cc WTP sealed engine, clutch, B5 Electric Start

Junior TKM 2S

Blue/White

From 129

11-17

Maxxis SLC

F TKM

As TKM with restrictor, optional clutch

Junior TKM K4S

Blue/Yellow

140

11-17

Maxxis SLC

F TKM

Jnr version of F TKM 4S, clutch, restrictor

Honda Junior

Blue/White

152

11-17

Dunlop SL1

KT3

2 x GX160 Honda 4-stroke engines with clutch

MiniMax

Yellow/Black

135

11-17

Vega SL8 ‘JAG’

Vega W2 ‘JAG’

Restricted version of Rotax Junior Max

Junior Max

Red/White

148

13-17

Vega SL8 ‘JAG’

Vega W2 ‘JAG’

Junior version of Rotax Senior Max

KF3

Yellow/Black

145

13-17#

B’stone YGB ‘MSA’

YEJ

125cc International TAG class

Junior Gearbox

Red/White

155

13-17

Dunlop SL4

Dunlop KT10

Jnr entry level gearbox class, 85cc, 6 speed

TKM K4S

Red/Yellow

162

16

Maxxis Red Label

F TKM

200cc 4 stroke, clutch

F 100 National K100

Green/White

160

16

Vega SL6 ‘GB’

W2 ‘GB’

Earlier reed/rotary valve engines, 24mm carb

Rotax Max

Blue/White

162

16

Vega SL6 ‘JAG’

Vega W2 ‘JAG’

125cc d/drive commercial TAG class (electric start)

Rotax Max/177

Green/White

177

16

Vega SL6 ‘JAG’

Vega W2 ‘JAG’

Heavyw’t version with 85kg min driver weight

Rotax Max DD2

White/Red

175

16

Vega FM ‘JAG’

Vega W2 ‘JAG’

125cc engine with two gears

Honda Senior

White/Red

175

16

Dunlop SL1

KT3

2 x GX160, clutch

KF1

Yellow/Black

160

16

Dunlop DCM

KT10

Premier International championship class, 125cc TAG

KF2

White/Black

160

16

B’stone YGB ‘MSA’

YEJ

International 125cc TAG class

125 ICC (UK)/KZ2

Green/White

180

16

Dunlop SL4 ‘ABkC’

KT10

125cc reed valve with 30mm carburettor

KZ1  (Super ICC)

Yellow/Black

175

16

Dunlop DCH

KT10

Lightw’t version of above, championship class

125 Open

Blue/White

185

16

Dunlop SL4 ‘ABkC’

KT10

Reed or rotary valve 125cc engines

250 National

White/Black

195/200

16+

Maxxis CIK MH

WT8

Motocross 250cc engines

250E (& see CIK Div 1)

Green/White

210

16+

Open

Open

Twin cylinder 250 + Rotax 257 + 125 twins

Formula 210

Red/White

185/190

16

Dunlop SL3

KT5/6/8/10

Classic Villiers 197 or replicas