E1 – 2 stroke up to 125cc, 4 stroke – up to 250cc
E2 – Over 125cc to 250cc two-stroke & Over 250cc to 450cc four-stroke
E3 – Over 250cc two-stroke & Over 450cc four-stroke
Race numbers – Correct numbers must be displayed on 3 sides of bike.
Correct coloured number backgrounds are also required.
Championship – Red
Exp/exp over 40 – Green
Clubman E1, E2, & E3 – Yellow
Clubman 40 – Blue
Sportsman/Beginner – Black
Team – White
Numbers and backgrounds are always available to purchase when signing on.