Age:- 8 - 13 years
Engine:- 60cc 2-stroke Comer or 120c 4-stroke Honda engine
Top speed:- 50mph
Weight Limit (comer):- 97kgs
Weight Limit (honda):- 100kgs
Dry Tyres:- Dunlop SL3 'RAC'
Wet Tyres:- Dunlop KT3 'RAC'
Plates (comer):- Yellow with Black numbers
Plates (honda):- Yellow with red numbers
General:- Centrifugal clutch, with recoil
starters. The starter category for boys & girls.

Photo:- Triple N.I. Formula Cadet
champion, Kyle Price.

Age:- 12 - 16 years
Engine:- 125cc water-cooled 'TAG' Rotax engine, with restrictors
Top speed - 70mph
Weight Limit:- 135kgs (min kart weight 108kgs)
Dry Tyres:- Vega SL6 'JAG'
Wet Tyres:- Vega W2 'JAG'
Plates:- Yellow with Black numbers
General:- Low maintenance, high performance.

Photo:- 2006 N.I. Formula Mini Max champion, Callum McQuitty

Age:- 12 - 16 years
Engine:- 125cc water-cooled 'TAG' Rotax engine
Top speed:- 75mph
Weight Limit:- 148kgs (min kart weight 108kgs)
Dry Tyres:- Vega SL6 'JAG'
Wet Tyres:- Vega W2 'JAG'
Plates:- Red with White numbers
General:- Similar to Mini MAX, with fewer restrictions

Photo:- William Herron N.I. champion 2007 in Junior Max & 2006 in Mini Max

Formula S/K 125 & Formula S/K 250

Formula TKM Extreme, World Formula, Honda Prokart, Rotax Max 177 & Rotax Max