| 16 | CDR Tech Track | 250MX 450 Class | June 13, 1982 | Maico |
| 16 | CDR Tech Track | 250MX 450 Class | June 14, 1981 | Maico |
| 10 | Sunshine Speedway | 250MX 450 Class | June 7, 1981 | Maico |
| 13 | High Point Raceway | 250MX 450 Class | May 24, 1981 | Maico |
| 19 | Road Atlanta | 250MX 450 Class | May 10, 1981 | Maico |
| 13 | Saddleback Park | 250MX 450 Class | April 5, 1981 | Maico |
| 23 | Hangtown Motocross Classic | 250MX 450 Class | March 29, 1981 | Maico |
| 7 | Lakewood Sports Cycle Park | 250MX 450 Class | June 15, 1980 | Honda |
| 12 | Atlanta International Raceway | 250MX 450 Class | June 8, 1980 | Honda |
| 15 | High Point Raceway | 250MX 450 Class | May 25, 1980 | Honda |
| 18 | High Point Raceway | 250MX 450 Class | July 8, 1979 | Maico |
| 8 | Lakewood Sports Cycle Park | 250MX 450 Class | June 24, 1979 | Maico |
| 11 | Sears Point International Raceway | 250MX 450 Class | June 17, 1979 | Maico |
| 23 | Omaha Moto Park | 250MX 450 Class | April 22, 1979 | Maico |
| 10 | Canyon Raceway | 250MX 450 Class | April 8, 1979 | Maico |
| 14 | Racing World | 250MX 450 Class | April 1, 1979 | Maico |
| 8 | Hangtown Motocross Classic | 250MX 450 Class | March 25, 1979 | Maico |
| 23 | Sears Point International Raceway | 500MX 500MX | June 11, 1978 | Maico |
