BIG SIDE OF TEXAS CLASSES

2025 Big Side of Texas Spring Championship Classes

Classes | Displacement

  1. 50cc Beginner 4-8*** | 0-51cc 0-90cc 4 stroke New
  2. 50cc 4-6 | 0-51cc 0-90cc 4 stroke
  3. 50cc 7-8 | 0-51cc 0-90cc 4 stroke
  4. 50cc Open 4-8 | 0-60cc 0-90cc 4 stroke
  5. 65cc-85cc Beginner 7-11*** | 59cc-85cc 70-230cc 4 stroke New
  6. 65cc 7-9 | 59cc-65cc 0-110cc 4 stroke
  7. 65cc 10-11 | 59cc-65cc 0-110cc 4 stroke
  8. 65cc Open 7-11 | 59cc-79cc 0-110cc 4 stroke
  9. 85cc/150F Beginner 9-15 *** | 79cc-112cc 70-230cc 4 stroke New
  10. 85cc 9-11 | 79cc-85cc 0-150cc 4 stroke
  11. 85cc 12-15 | 79cc-85cc  0cc-150cc 4 stroke
  12. 85cc Open 9-15 | 79cc-112cc 75-150cc 4 stroke
  13. Supermini 12-16 | 79cc-112cc 75- 150cc 4 stroke
  14. 250 Beginner | 122cc-250cc 0-251cc 4 stroke
  15. 250 Novice | 122cc-250cc 0-251cc 4 stroke
  16. 250 Intermediate | 122cc-250cc 0-251cc 4 stroke
  17. 250 PRO | 122cc-250cc 0-251cc 4 stroke
  18. 450 Beginner | 250cc-open 0-450cc 4 Stroke
  19. 450 Novice | 250cc-open 0-450cc 4 Stroke
  20. 450 Intermediate | 250cc-open 0-450cc 4 Stroke
  21. 450 PRO | 125cc-open 0-450cc 4 Stroke
  22. Beginner Open | 122cc-open 0-450cc 4 Stroke
  23. Novice Open | 122cc-open 0-450cc 4 Stroke
  24. Over 25 | 122cc-open 0-450cc 4 Stroke
  25. Over 30 | 122cc-open 0-450cc 4 Stroke
  26. Over 40 | 122cc-open 0-450cc 4 Stroke
  27. Over 50*| 122cc-open 0-450cc 4 Stroke
  28. Schoolboy 12-17 | 86cc-125cc 126-150cc 4 stroke
  29. Collegeboy 18-24 | 122cc-450cc 0-450cc 4 Stroke
  30. Girls 4-11 | 50cc-85cc 75-150cc 4 Stroke
  31. Women’s 12+ | 99cc-250cc

*** Beginner classes riders may not have more than 12-months racing experience. 50-65-85/150cc Beginner class riders may also ride in age group and open.

If you raced in the 50cc, 65-85cc or 85/150cc Beginner in the 2024 Big Side and have over 12 months racing you must move to the age group classes for 2025.

250/450 Beginner, Beginner Open top 3 in the class move to Novice for 2025.

  • Vet 50+ will always be a double gate drop.