| 16 | Spring Creek Motocross | 250MX 450 Class | 15 - 15 | August 11, 1985 | Yamaha |
| 21 | Lakewood Sports Cycle Center | 250MX 450 Class | | August 12, 1984 | Yamaha |
| 23 | Spring Creek Motocross | 250MX 450 Class | | August 5, 1984 | Yamaha |
| 25 | RedBud Track 'n Trail | 250MX 450 Class | | July 1, 1984 | Yamaha |
| 20 | High Point Raceway | 250MX 450 Class | | May 27, 1984 | Yamaha |
| 23 | Six Flags | 250MX 450 Class | | May 13, 1984 | Yamaha |
| 21 | Gatorback Cycle Park | 250MX 450 Class | | March 4, 1984 | Yamaha |
| 17 | Spring Creek Motocross | 250MX 450 Class | | August 28, 1983 | Yamaha |
| 18 | Lakewood Sports Cycle Center | 250MX 450 Class | | August 21, 1983 | Yamaha |
| 23 | High Point Raceway | 250MX 450 Class | | May 29, 1983 | Yamaha |
