Winter Throwdown Race Info

50cc Shaft:

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

Open Novice:

• 250cc + Up
• If you are finishing top three at major events in Open Amateur or 250 Amateur, you aren’t eligible for Open Novice. This is a beginner class.
• Promoter discretion may be used for eligible participants.

85cc: 

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

450 Expert:

• Pro Licensed Riders Only
• Open CC limit
• If you ride this class, the only other class you can ride at our event is Open Expert

Mad Dog:

• 100cc-190cc 4 Stroke
• No Liquid-Cooled Motorcycles
• 12+

30+

• Singles and twins
• 30 years old+

450 Amateur:

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

Supermini:

• 79cc-125cc (Two Stroke) 
• 75cc-150cc (Four Stroke)
• Ages 9-15 

Vintage:

• 1986 and Older
• No Current Professional Licensed Riders

250 Amateur:

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

50cc Chain:

• Ages 4-8
• Production Bikes (See AMA Rulebook)
• Shaft and Chain

40+:

• Singles and twins
• 40 years old+

Open Amateur:

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

65cc:

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

50+:

• Singles and twins
• 50 years old+

Hooligan presented by Moroney’s Harley-Davidson:

• Stock Frames
• 649cc+
• Open Mods
• No Current Professional Riders

Open Expert:

• Professional Licensed Riders
• 450cc+
• Singles and Twins
• If you ride this class, the only other class you can ride at our event is 450 Expert