| Race Classes | ||||||||||
| Fuel Rules: Fuel for all classes: VP MS-98L 2 Cycle fuel oil will be spec oil sold by the club at the track. Brand: TBA | ||||||||||
| Ages | Class | Weight | Engine | Exhaust | Clutch | Tires | ||||
| 5 yrs -7 yrs | Kid Kart* | 150 | Comer C-50 or C-51 | Spec | Stock | YHC 4.5 | *- Transponders optional | |||
| Class is non-scoring | ||||||||||
| 8 yrs - 11 yrs | Jr. 1 - 2 Cycle | 225 | Comer K-80 | Spec | Stock | YHC 4.5 | ||||
| Jr. 1 - 4 Cycle | 250 | Briggs Animal (no restrictor) | Muffler | Open | YHC 4.5 | |||||
| HPV-1 | 240 | Hostman HPV | HPV-1 | Stock (HDC) | YHC 4.5 | |||||
| 12 yrs - 15 yrs | HPV-2 | 310 | Horstman HPV | HPV-2 | Stock (HDC) | YHC 4.5 / 6.0 | ||||
| Jr. World Formula | 315 | Briggs World Formula | RLV 5447-S | Stock (Titan) | YHC 4.5 / 6.0 | |||||
| 16 years + | Sr. World Formula | 350 | Briggs World Formula | RLV 5447-S | Stock (Titan) | YHC 4.5 / 6.0 or 7.1 | ||||
| Sr. World Formula - Heavy | 390 | Briggs World Formula | RLV 5447-S | Stock (Titan) | YHC 4.5 / 6.0 or 7.1 | |||||
| American Sportsman | 365 | Tecumseh H-50 | Muffler | Drum (any) | Burris M15, B-55, SS-55 | |||||
| Superbox/WKA Sportsman | 350 | Yamaha KT-100 | 4-Hole can | Open | YHC 4.5 / 6.0 | |||||
| HPV-4 | 340 | Horstman HPV | HPV-4 | Stock (HDC) | YHC 4.5 / 7.1 | |||||
| HPV-4 - Heavy | 390 | Horstman HPV | HPV-4 | Stock (HDC) | YHC 4.5 / 7.1 | |||||
| TaG | 360 + Handicap | All TaG USA approved | Spec (per motor) | Spec (per motor) | YHC 4.5 / 7.1 | |||||
| TaG - Heavy | 405 + Handicap | All TaG USA approved | Spec (per motor) | Spec (per motor) | YHC 4.5 / 7.1 | |||||
| 125cc Moto | 390 | All 125cc Moto | Open | Open | Open | |||||
| 125cc ICC | 390 | All CIK Intercontinental Classes | Spec | Spec (per motor) | Open | |||||