| 18 | Hangtown Motocross Classic | 250MX 450 Class | 17 - 18 | April 6, 1986 | Yamaha |
| 10 | Spring Creek Motocross | 250MX 450 Class | | August 28, 1983 | Honda |
| 8 | Lakewood Sports Cycle Center | 250MX 450 Class | | August 21, 1983 | Honda |
| 14 | Washougal Motocross | 250MX 450 Class | | August 14, 1983 | Honda |
| 6 | Lake Whitney Cycle Ranch | 250MX 450 Class | | June 19, 1983 | Honda |
| 4 | Broome-Tioga Sports Center | 250MX 450 Class | | June 5, 1983 | Honda |
| 6 | High Point Raceway | 250MX 450 Class | | May 29, 1983 | Honda |
| 12 | St Louis International Raceway | 250MX 450 Class | | May 22, 1983 | Honda |
| 7 | Gatorback Cycle Park | 250MX 450 Class | | April 24, 1983 | Honda |
| 10 | Saddleback Park | 250MX 450 Class | | April 10, 1983 | Honda |
| 10 | Hangtown Motocross Classic | 250MX 450 Class | | March 27, 1983 | Honda |
| 11 | CDR Tech Track | 250MX 450 Class | | June 13, 1982 | Honda |
| 9 | Road Atlanta | 250MX 450 Class | | June 6, 1982 | Honda |
| 7 | High Point Raceway | 250MX 450 Class | | May 30, 1982 | Honda |
| 11 | Moto-X 338 | 250MX 450 Class | | May 16, 1982 | Honda |
| 6 | Sunshine Speedway | 250MX 450 Class | | May 2, 1982 | Honda |
| 7 | Lake Whitney Cycle Ranch | 250MX 450 Class | | April 18, 1982 | Honda |
| 7 | Saddleback Park | 250MX 450 Class | | April 4, 1982 | Honda |
| 10 | Hangtown Motocross Classic | 250MX 450 Class | | March 28, 1982 | Honda |
| 8 | CDR Tech Track | 250MX 450 Class | | June 14, 1981 | Honda |
| 19 | Lake Whitney Cycle Ranch | 250MX 450 Class | | April 12, 1981 | Honda |
| 10 | Saddleback Park | 250MX 450 Class | | April 5, 1981 | Honda |
| 17 | Hangtown Motocross Classic | 250MX 450 Class | | March 29, 1981 | Honda |
| 20 | Lakewood Sports Cycle Park | 250MX 450 Class | | June 15, 1980 | |
