Racing Classes:
Class A: 4-Stroke
1a. 50cc Stock
2a. 72cc Modified
3a. 150cc Stock
4a. 150cc Modified
Class B: 2-Stroke
1b. 50cc Stock
2b. 72cc Modified
3b.80+cc Stock
4b.80+cc Modified
Class C: Vintage
1c. 50cc Stock
2c. 100+cc Stock
3c. 50cc Modified
4c. 100+cc Modified
Class D: Sprinter
1d. Unlimited