12–15 Boys

• 1 hr race

• 91–200 cc 2 stroke

• 300cc Max 4 stroke

• Includes Cobra

​

12–15 Girls

• 1 hr race

• 91–200cc 2 stroke

• 300cc Max 4 stroke

• Includes Cobra

​

400cc Production

• 14–17yr

• 300–400cc 4-stroke

• 91–250cc 2-stroke​

 

1. Production Rule: OEM motor and matching frame combination model required (matching year NOT required). Frame must remain as designed by OEM, including all suspension pivot points. Engine modifications, frame reinforcements, and after market A-arms, caster brackets, swing-arms and suspension are permitted.