2025 Class List

Viva Ohio Mx Motocross Class List

  1. Open A Open CC limit, Minimum Wheel Size Front 21in. Rear 18in. Must be AMA A/Pro
  2. Open B Open CC limit, Minimum Wheel Size Front 21in. Rear 18in. Must be AMA B/Intermediate
  3. 250 B 125cc – 250cc limit 2-strokes and 4-strokes, Minimum Wheel Size Front 21in. Rear 18in. Must be AMA B/Intermediate
  4. Open C Open CC limit, Minimum Wheel Size Front 21in. Rear 18in. Must be AMA C/Novice
  5. 250 C 125cc – 250cc limit 2-strokes and 4-strokes, Minimum Wheel Size Front 21in. Rear 18in. Must be AMA C/Novice
  6. 250 C JR 125cc – 250cc limit 2-strokes and 4-strokes, Minimum Wheel Size Front 21in. Rear 18in. Must be AMA C/Novice and be or between AMA ages 12 - 17
  7. Schoolboy 1 85cc – 125cc 2-stroke limit, 150cc 4-stroke limit, Minimum Wheel Size Front 19in. Rear 16in. Must be AMA B/Intermediate or AMA C/Novice or Youth and between AMA ages 12 – 17.
  8. Schoolboy 2 150cc – 250cc 4-stroke limit, 125cc – 150cc 2-stroke limit, Minimum Wheel Size 19in. Rear 16in. Must be AMA B/Intermediate or AMA C/Novice or Youth and between AMA ages 12 – 17.
  9. Collegeboy 14-24 Open CC limit, Minimum Wheel Size Front 21in. Rear 18in. Must be between AMA ages 14 – 24.
  10. Vet 25+ Open CC limit, Minimum Wheel Size Front 21in. Rear 18in. Must be or over age 25.
  11. Vet 30+ B/C Open CC limit, Minimum Wheel Size Front 21in. Rear 18in. Must be AMA B/C and be or over age 30.
  12. Vet 40+ Open CC limit, Minimum Wheel Size Front 21in. Rear 18in. Must be or over age 40.
  13. Vet 50+ Open CC limit, Minimum Wheel Size Front 21in. Rear 18in. Must be or over age 50.
  14. Vet 60+ Open CC limit, Minimum Wheel Size Front 21in. Rear 18in. Must be or over age 60.
  15. 125 2-Stroke 125cc limit 2-strokes, Minimum Wheel Size Front 21in. Rear 18in. Must be or over age 12.
  16. Women 100cc – Open cc Minimum Wheel Size Front 21in. Rear 18in. Must be or over AMA age 12.
  17. 50cc Beginner Any 50cc bike or Mini E-Bike (no balance bikes) Must be or between AMA age 4 – 8. If you have raced Loretta’s you’re not eligible.
  18. 50cc Shaft Drive 50cc Shaft Driven 2-stroke, Maximum Wheel Size Front 10in. Rear 10in. Must be or between AMA ages 4-6.
  19. 50cc JR 50cc Chain Driven 2-stroke, 50cc Shaft Driven 2-stroke, Maximum Wheel Size Front 10in. Rear 10in. Must be or between AMA ages 4-6.
  20. 50cc SR 50cc Chain Driven 2-stroke, Maximum Wheel Size Front 12in. Rear 10in. Must be or between AMA ages 7-8.
  21. 50cc Open 50cc Chain Driven 2-stroke, Maximum Wheel Size Front 12in. Rear 10in. Must be or between AMA ages 4-8.
  22. Mini E-Bike Max 2KW Must be or between AMA ages 4 – 8.
  23. 65cc Beginner Any 65cc bike Must be or between AMA age 7 – 11. If you have raced Loretta’s you’re not eligible.
  24. 65cc JR 65cc 2-stroke, Maximum Wheel Size Front 14in. Rear 12in. Must be or between AMA ages 7-9.
  25. 65cc SR 65cc 2-stroke, Maximum Wheel Size Front 14in. Rear 12in. Must be or between AMA ages 10-11.
  26. 65cc Open 65cc 2-stroke, Maximum Wheel Size Front 14in. Rear 12in. Must be or between AMA ages 7-11.
  27. 85cc JR 85cc 2-stroke or 150cc 4-stroke, Maximum Wheel Size Front 17in. Rear 14in. Must be or between AMA ages 9-12.
  28. 85cc SR 85cc 2-Stroke or 150cc 4-stroke, Maximum Wheel Size Front 19in. Rear 16in. Must be or between AMA ages 13-15.
  29. 85cc Open 85cc 2-Stroke or 150cc 4-stroke, Maximum Wheel Size Front 19in. Rear 16in. Must be or between AMA ages 9-15.
  30. Supermini 85cc – 112cc 2-Stroke or 150cc 4-stroke, Maximum Wheel Size Front 19in. Rear 16in. Must be or between AMA ages 12-16

 

Viva Ohio Mx Faircross Class List 

(The above classes are included in the race Faircross Series)

  1. Pit Bike Open Open CC limit 4-stroke Pit Bike or 6KW Max Power E-Pit Bike, Maximum Wheel Size Front 14in. Rear 12in. Pit Bike must have a horizontal engine, no cradle frames. Must be or over AMA age 12.
  2. Pit Bike Stock 110cc 4-stroke Pit Bike, Maximum Wheel Size Front 14in. Rear 12in. Pit Bike must have a horizontal engine, no cradle frames. OEM piston, Stock Bore, Stock Head, Stock Pipe, Stock Crank, Semi Auto Shift, No Clutch, No Lightened Flywheels, Zero Internal Motor Modifications, No Flashed ECU, Stock Intake, Stock Carb / Throttle Body, Stock Swingarm Comfort Parts Allowed: Handlebars, Pegs, Seat, Bling Parts, Gearing. NO CHINESE MANUFACTURED PIT BIKES. Must be or over AMA age 12.
  3. Trail Bike Open 110cc - 300cc 4-stroke Pit Bike or Trail Bike, Maximum Wheel Size Front 21in. Rear 18in. Must be or over AMA age 12.
  4. Trail Bike Youth 50cc - 125cc 4-stroke Pit Bike or Trail Bike, Maximum Wheel Size Front 21in. Rear 18in. Must be between AMA age 4 - 11.
  5. Stacyc Balance e-bike, Must be between AMA ages 4 - 7.
  6. ATV 50 50cc ATV, Must be between AMA ages 4 – 8.
  7. ATV 70 50cc – 70cc ATV, Must be between AMA ages 6 – 11.
  8. ATV 90 70cc – 90cc ATV or 125cc 4-stroke, Must be between AMA ages 8 – 13.
  9. ATV Supermini 70cc – 105cc 2-Stroke, 75cc – 150cc 4-stroke, Must be between AMA ages 11 – 15.
  10. ATV Schoolboy 90cc – 200cc 2-Stroke, 75cc – 350cc 4-stroke, Must be between AMA ages 12 – 16.
  11. ATV Open 250cc – Open cc, Must be 16 or older
  12. ATV Vet 250cc – Open cc, Must be 25 or older
  13. ATV C 250cc – Open cc, Must be 16 or older