| Position | Race | Class | Motos | Date | Machine |
|---|---|---|---|---|---|
| 12 | Lakewood Sports Cycle Center | 500MX 500MX | - 4 | August 12, 1984 | Yamaha |
| 17 | Saddleback Park | 500MX 500MX | 14 - 18 | April 1, 1984 | Yamaha |
| 15 | Lakewood Sports Cycle Center | 500MX 500MX | 9 | August 21, 1983 | Yamaha |
| 12 | Lake Whitney Cycle Ranch | 500MX 500MX | 14 - 12 | June 19, 1983 | Yamaha |
| 20 | St Louis International Raceway | 500MX 500MX | 19 | May 22, 1983 | Yamaha |
