| 15 | Broome-Tioga Sports Center | 250MX 450 Class | June 5, 1983 | Honda |
| 18 | High Point Raceway | 250MX 450 Class | May 29, 1983 | Honda |
| 20 | St Louis International Raceway | 250MX 450 Class | May 22, 1983 | Honda |
| 18 | Gatorback Cycle Park | 250MX 450 Class | April 24, 1983 | Honda |
| 19 | Road Atlanta | 250MX 450 Class | June 6, 1982 | Honda |
| 18 | High Point Raceway | 250MX 450 Class | May 30, 1982 | Honda |
| 16 | Moto-X 338 | 250MX 450 Class | May 16, 1982 | Honda |
| 21 | Lake Whitney Cycle Ranch | 250MX 450 Class | April 18, 1982 | Honda |
| 23 | Hangtown Motocross Classic | 250MX 450 Class | March 28, 1982 | Honda |
| 23 | Moto-X 338 | 250MX 450 Class | May 17, 1981 | Suzuki |
| 23 | Road Atlanta | 250MX 450 Class | May 10, 1981 | Suzuki |
