| 21 | RedBud Track 'n Trail | 250MX 450 Class | July 3, 1983 | KTM |
| 11 | Lake Whitney Cycle Ranch | 250MX 450 Class | June 19, 1983 | KTM |
| 20 | Broome-Tioga Sports Center | 250MX 450 Class | June 5, 1983 | KTM |
| 15 | High Point Raceway | 250MX 450 Class | May 29, 1983 | KTM |
| 26 | St Louis International Raceway | 250MX 450 Class | May 22, 1983 | KTM |
| 15 | Gatorback Cycle Park | 250MX 450 Class | April 24, 1983 | KTM |
| 17 | Saddleback Park | 250MX 450 Class | April 10, 1983 | KTM |
| 14 | Hangtown Motocross Classic | 250MX 450 Class | March 27, 1983 | KTM |
| 16 | Carlsbad Raceway | 500MX 500MX | August 15, 1982 | Maico |
| 11 | RedBud Track 'n Trail | 500MX 500MX | July 4, 1982 | Maico |
| 18 | Broome-Tioga Sports Center | 500MX 500MX | June 27, 1982 | Maico |
| 15 | CDR Tech Track | 500MX 500MX | June 13, 1982 | Maico |
| 15 | Road Atlanta | 500MX 500MX | June 6, 1982 | Maico |
| 16 | High Point Raceway | 500MX 500MX | May 30, 1982 | Maico |
| 19 | Carlsbad Raceway | 500MX 500MX | August 16, 1981 | Maico |
| 13 | Washougal Motocross | 500MX 500MX | August 2, 1981 | Maico |
| 12 | CDR Tech Track | 500MX 500MX | June 14, 1981 | Maico |
