| 26 | Washougal Motocross | 500MX | August 2, 1981 | Honda |
| 21 | RedBud Track 'n Trail | 500MX | July 5, 1981 | Honda |
| 12 | Broome-Tioga Sports Center | 500MX | June 28, 1981 | Honda |
| 19 | CDR Tech Track | 500MX | June 14, 1981 | Honda |
| 23 | Sunshine Speedway | 500MX | June 7, 1981 | Honda |
| 25 | High Point Raceway | 500MX | May 24, 1981 | Honda |
| 22 | Moto-X 338 | 500MX | May 17, 1981 | Honda |
| 19 | Sunshine Speedway | 500MX | August 31, 1980 | Maico |
| 19 | Broome-Tioga Sports Center | 500MX | August 24, 1980 | Maico |
| 26 | Washougal Motocross | 500MX | July 6, 1980 | Maico |
| 18 | Sears Point International Raceway | 500MX | June 29, 1980 | Maico |
| 23 | Atlanta International Raceway | 500MX | June 8, 1980 | Maico |
| 19 | RedBud Track 'n Trail | 500MX | June 1, 1980 | Maico |
Lebanon, PA