| 20 | Hangtown Motocross Classic | 125MX 250 Class | April 8, 1984 | Yamaha |
| 13 | Spring Creek Motocross | 125MX 250 Class | August 28, 1983 | Yamaha |
| 14 | Lakewood Sports Cycle Center | 125MX 250 Class | August 21, 1983 | Yamaha |
| 7 | Lake Whitney Cycle Ranch | 125MX 250 Class | June 19, 1983 | Yamaha |
| 15 | Broome-Tioga Sports Center | 125MX 250 Class | June 5, 1983 | Yamaha |
| 19 | St Louis International Raceway | 125MX 250 Class | May 22, 1983 | Yamaha |
| 14 | Gatorback Cycle Park | 125MX 250 Class | April 24, 1983 | Yamaha |
| 15 | Saddleback Park | 125MX 250 Class | April 10, 1983 | Yamaha |
| 11 | Hangtown Motocross Classic | 125MX 250 Class | March 27, 1983 | Yamaha |
