| Position | Race | Class | Date | Machine |
|---|---|---|---|---|
| 23 | Saddleback Park | 500MX 500MX | April 1, 1984 | Yamaha |
| 24 | Saddleback Park | 500MX 500MX | April 10, 1983 | Yamaha |
| 18 | Hangtown Motocross Classic | 500MX 500MX | March 27, 1983 | Yamaha |
| 22 | Saddleback Park | 250MX 450 Class | April 5, 1981 | Yamaha |
| 21 | Lakewood Sports Cycle Park | 250MX 450 Class | June 24, 1979 | Suzuki |
