| 12 | Spring Creek Motocross | 500MX 500MX | 12 - 11 | August 28, 1983 | Yamaha |
| 9 | Lakewood Sports Cycle Center | 500MX 500MX | 16 - 10 | August 21, 1983 | Yamaha |
| 12 | Washougal Motocross | 500MX 500MX | 7 - 17 | August 14, 1983 | Yamaha |
| 5 | Lake Whitney Cycle Ranch | 500MX 500MX | 4 - 7 | June 19, 1983 | Yamaha |
| 8 | Broome-Tioga Sports Center | 500MX 500MX | 9 - 8 | June 5, 1983 | Yamaha |
| 7 | High Point Raceway | 500MX 500MX | 7 - 7 | May 29, 1983 | Yamaha |
| 6 | St Louis International Raceway | 500MX 500MX | 5 - 7 | May 22, 1983 | Yamaha |
| 6 | Gatorback Cycle Park | 500MX 500MX | 8 - 5 | April 24, 1983 | Yamaha |
| 4 | Saddleback Park | 500MX 500MX | 6 - 6 | April 10, 1983 | Yamaha |
| 19 | Hangtown Motocross Classic | 500MX 500MX | 14 - 24 | March 27, 1983 | Yamaha |
| 8 | Carlsbad Raceway | 500MX 500MX | 7 - 9 | August 15, 1982 | Yamaha |
| 13 | Washougal Motocross | 500MX 500MX | 17 - 9 | August 8, 1982 | Yamaha |
| 17 | CDR Tech Track | 500MX 500MX | 31 - 13 | June 13, 1982 | Yamaha |
