Class

Age Requirement

Engine size

Engine type

51cc Limited

4 - 6 yrs.

0cc - 51cc

2-stroke

0cc - 51cc

4-stroke

Single-speed automatic. Maximum wheel size 10 inches.

51cc Limited

7 - 8 yrs.

0cc - 51cc

2-stroke

0cc - 51cc

4-stroke

Single-speed automatic. Maximum wheel size 10 inches (rear) 12 inches (front).

51cc Limited

4 - 8 yrs. (Open)

0cc - 51cc

2-stroke

0cc - 51cc

4-stroke

Single or multi-speed automatic. Maximum wheel size 10 in. (rear) 12 in. (front).