ATK Motocross Results
ATK Results - 1990
| Position | Rider | Race | Class | Date |
|---|---|---|---|---|
| 10 |  Greg Zitterkopf | Motocross Spring Creek Motocross | 500MX | August 19, 1990 |
| 23 | Willy Musgrave | Motocross Spring Creek Motocross | 500MX | August 19, 1990 |
| 20 | Greg Zitterkopf | Motocross Washougal Motocross | 500MX | August 12, 1990 |
