| Position | Race | Class | Date | Machine |
|---|
| 15 | Road Atlanta | 500MX 500MX | June 2, 1973 | Maico |
| 8 | Saddleback Park | 500MX 500MX | December 3, 1972 | Maico |
| 7 | Carnegie Cycle Park | 500MX 500MX | November 26, 1972 | Maico |
| 8 | Puyallup Raceway Park | 500MX 500MX | November 19, 1972 | Maico |
| 9 | Arizona Cycle Park | 500MX 500MX | November 12, 1972 | Maico |
| 3 | Carlsbad Raceway | 500MX 500MX | November 5, 1972 | Maico |
| 4 | Rio Bravo MX Park | 500MX 500MX | October 29, 1972 | Maico |
| 6 | Orlando Sports Stadium | 500MX 500MX | October 22, 1972 | Maico |
| 4 | Road Atlanta | 500MX 500MX | October 15, 1972 | Maico |
| 19 | Mid-American Motocross | 500MX 500MX | October 8, 1972 | Maico |
| 1 | Honda Hills | 500MX 500MX | October 1, 1972 | Maico |
