50cc Air-Cooled:

• Production Motorcycles (See AMA Rulebook)
• Make sure your 50cc is AMA “Track Racing” legal, not “Motocross” legal.
• PW 50, CRF 50, TTR 50 legal motorcycles

50cc Chain:

• Production Motorcycles (See AMA Rulebook)
• Ages 4-8
• Make sure your 50cc is AMA “Track Racing” legal, not “Motocross” legal.

65cc:

• Ages 7-11
• Follows AMA Mod Class rules
• 52cc-65cc (Two Stroke)
• 52cc-90cc (Four Stroke)

85cc: 

• Ages 9-15
• 66cc-85cc 2 Stroke
• 75cc-125cc 4 Stroke
• Follows AMA Mod Class rules

Youth Premier:

• Ages 9-15
• 66cc-85cc 2 Stroke
• 75cc-125cc 4 Stroke
• Follows AMA Mod Class rules

Open Novice:

• 250cc and Up
• Ages 12+ on 250cc
• Ages 14+ on 450cc+
• Follows AMA Mod Class rules
• You can’t ride Open Novice if you finished top three overall at Amateur Nationals in any class with 19″ wheels (Not counting Women’s or Vet classes) or at any of our events the previous year in Open Novice or another class with 19″ wheels.
• You can’t ride Open Novice if you finished top three overall in the Mission Foods CTR Flat Track series in ANY class for the 2025 season
• You can’t ride Open Novice if you have a current professional license in another discipline of motorcycle racing
• Promoter can use discretion on if someone isn’t eligible based on experience or skill

250cc Amateur:

• 250cc 
• Follows AMA Mod Class rules
• 12 years old+

450cc Amateur:

• 450cc
• Follows AMA Mod Class rules
• 14 years old+

Open Amateur:

• 250cc and Up
• 19″ Wheels Minimum 
• Ages 12+ on 250cc
• Ages 14+ on 450cc+
• Follows AMA Mod Class rules

30+:

• Singles and twins
• 30 years old+
• Follows AMA Mod Class rules

40+:

• Singles and twins
• 40 years old+
• Follows AMA Mod Class rules
• Champion receives case of Spectro Oils

50+:

• Singles and twins
• 50 years old+
• Follows AMA Mod Class rules
• Champion receives case of Spectro Oils

60+:

• Singles and twins
• 60 years old
• Follows AMA Mod Class rules
• Champion receives case of Spectro Oils

Pro-Am:

• Open CC Limit
• Ages 14+
• Dunlop DT4 Spec Tire (Any compound permitted)
• Can not cut or tractionize tire
• You may rasp tire with handheld device. (“Dale, No Power Tools!”) Final determination will be made from technical director.
• Can not add fluid in tire or wheel
• No liners, cut up tires, extra tubes or ANY ballasts for added weight may be used (Only thing allowed inside the tire is a rim strip and a single tube)
• You can not add excess wheel weights on the rim to “Add weight”
• Lowery Racing bolt on weight assemblies used on Lowery compatible wheel bodies are approved
• You can run a heavy wheel, but can not exceed 43lbs. Wheel will be weighed as it comes off race track. You can wipe off dirt or debris before being weighed.
• Penalty for wheel infraction will be DQ for heat, semi or main event. If infraction found during qualifying, rider will be DQed for all qualifying sessions.

Open Expert:

• Pro Licensed Riders Only or riders turning professional that season when they turn 16 years old.
• Open CC limit
• If you ride this class, the only other class you can ride at our event is Pro-Am
• Dunlop DT4 Spec Tire (Any compound permitted)
• Can not cut or tractionize tire
• You may rasp tire with handheld device. (“Dale, No Power Tools!”) Final determination will be made from technical director.
• Can not add fluid in tire or wheel
• No liners, cut up tires, extra tubes or ANY ballasts for added weight may be used (Only thing allowed inside the tire is a rim strip and a single tube)
• You can not add excess wheel weights on the rim to “Add weight”
• Lowery Racing bolt on weight assemblies used on Lowery compatible wheel bodies are approved
• You can run a heavy wheel, but can not exceed 43lbs. Wheel will be weighed as it comes off race track. You can wipe off dirt or debris before being weighed.
• Penalty for wheel infraction will be DQ for heat, semi or main event. If infraction found during qualifying, rider will be DQed for all qualifying sessions.