Must Have an AMA Membership. No FDXC Membership fees.

Dirtbike Classes 

• AA Pro Open Class: 122- Open cc 
• A Class: 1 ½ hr race, 122cc and up single cylinder bike engine, so long as the cylinder is stamped with the correct engine displacement. 2/4 strokes 
• B Class: 1 ½ hr race, 122cc and up single cylinder bike engine, so long as the cylinder is stamped with the correct engine displacement. 2/4 strokes 
• C Class: 1 ½ hr race, 122cc and up single cylinder bike engine, so long as the cylinder is stamped with the correct engine displacement. 2/4 strokes 
• Vet 30-49yr Class: 1 ½ hr race, 122cc and up single cylinder bike engine, so long as the cylinder is stamped with the correct engine displacement. 2/4 strokes 
• Vet 50-UP Class: 1 ½ hr race, 122cc and up single cylinder bike engine, so long as the cylinder is stamped with the correct engine displacement. 2/4 strokes 
• Women's 16-Up Class: 1 ½ hr race, 122cc and up single cylinder bike engine, so long as the cylinder is stamped with the correct engine displacement. 2/4 strokes 
• 85cc 12-15yr Class: 1 hr race, 66-85cc 2-stroke/75-125cc 4-stroke 
• 85cc 16-18yr Schoolboy Class: 1hr race, 66-85cc 2-stroke/75-125cc 4-stroke 
• 65cc 7-12yr Class: 52-65cc 2-stroke/52-90cc 4-stroke 
• 50cc SR Class: 45min race, 7-11yr 50cc 2-stroke/70cc 4-stroke includes all E-bikes 
• 50cc JR Class: 45min race, 5-11yr 50cc stock 4-stroke.                                                                                                                                                     

The following may be changed exhaust, twist throttle, and handlebars. No other modifications allowed: including tires and wheels, carburetor, electronics, suspension, engine modifications. 

• Girl's Super Mini: 45min race, 7-15yr 65-85cc 2-stroke/70-125cc 4/stroke

ATV CLASSES 

• AA Pro Class: 1 ½ hr race 200-450cc Production Black Plate-White Letters 
• A Class: 1 ½ hr race 200+cc Production Red Plate-White Letters 
• B Class: 1 ½ hr race 200+cc Production Yellow Plate-Black Letters 
• C Class: 1 ½ hr race 200+cc Production Blue Plate-White Letters 
• 12-15 Boys: 1 ½ race 300cc Max Production Orange Plate-white Letters 
• 12-15 Girls: 1 ½ race 300cc Max Production Orange Plate-Black Letters 
• 90 Youth JR: 45 min race 110cc Max Production White Plate-Black Letters 

 

4 stroke (50-110cc) limited, age 5-11: excludes production race machines such as DRR, Cobra, Apex, and Raptor 125. The following may be changed or added: Tires (no tire balls), wheels, exhaust, sprockets, handlebars, grips, handlebar pads, front bumper, rear grab bar, air filter, jetting, steering stabilizer, and frame reinforcements. Fenders may be trimmed. No other modifications allowed, including carburetor, electronics (including CDI and ECU), air box (may remove lid), gas tank, and rear axle.

•  90 Youth SR: 45 min race 50-125cc Modified.         

White Plate-Red Letters 50-100cc 2 stroke and 111-125cc 4 stroke modified. Ages 5-11. The following may be changed or added: tires (no tires balls), wheels, exhaust, sprockets, gearing, clutch, twist throttle, handlebar grips and pads, front bumper, rear grab bar, air filter, jetting, carburetor, steering stabilizer and frame reinforcements, suspension and shocks, and A-arms. (2 stroke shifter models eligible) 

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.