• Acton Cycles Kirksville, MO 660-627-1900
  
• Advantage Powersports, Kansas City, 816-421-1515
  
• Big Day Productions Columbia, MO (573) 673-7837
  
• Bike Graphix.com Lenexa, KS 800-525-9395
  
• Donnell's Suzuki Honda Independence 816-478-9393
  
• F&A Cycle Columbia, MO 573-214-2300
  
• Freedom Cycles Grandview MO 816-761-2220
  
• Liechti Racing Liberty MO 816-506-5880
  
• Honda of the Ozarks Springfield 417-862-4686
  
• Jones Honda Columbia, MO (573) 875-4447
  
• Larry's Motorsports Jefferson City 800-736-5291
  
• LCC Powersports 816-781-6880
  
• Reno's Yamaha Aprilia KC MO 866-936-8900
  
• Resurrection Ministries Lexington MO
  
• The Sign Source Osage Beach 573-302-1530
  
• Stahlman Powersports Rolla , MO 800-813-6944
  
• Surdyke Yamaha Osage Beach 888-575-9283
  
• Warrensburg Cycle 660-747-7713
  

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50cc Beginner 4-8, NON Points Class.
50 Jr 4-6
50 Sr 7-8
50 Open
65 Jr 7-9
65 Sr 10-11
65 Open 

85 Jr 9-11- 79-85cc 2 stroke/150cc 4 stroke (NO Big Wheels)
85 Sr 12-15- 79-85cc 2 stroke/150cc 4 stroke (NO Big Wheels)
Supermini 9-16- 79cc-112cc 2 Stroke/150cc 4 stroke (Big Wheels Allowed)

125 Am.- 99cc-144cc 2 Stroke (Minimum Wheels: Front 19"; Rear 16")

 250 Beginner, Novice, Intermediate, Expert- (122cc-250cc 2 or 4 Stroke)

 450 Beginner, Novice, Intermediate, Expert (122cc-Open 2 or 4 Stroke)

 Girls thru 9-15 79cc-112cc 2 Stroke/150cc 4 stroke (Big Wheels Allowed)

 Women 14+ 99cc-250cc 2 or 4 stroke (Minimum Wheels: Front 19"; Rear 16")

 Big Bike Open- 122cc-Open 2 or 4 Stroke (NO Current Experts)

 Schoolboy 12-16 144cc 2stroke/250 4 stroke ((Minimum Wheels: Front 19"; Rear 16")
Plus 25 Open
Plus 30 Am. Open (NO Current Experts)
Plus 35 Open
Plus 40 Open
Plus 45 Open
Plus 50 Open
Plus 60 Open (New Class)