500MX Results
| Rider | Hometown | Bike |
1 | Pierre Karsmakers |  | Yamaha |
2 | Mike Hartwig | Hadley, MI  | Husqvarna |
3 | Tim Hart | Torrance, CA  | Yamaha |
4 | Gary Jones | Hacienda Heights, CA  | Maico |
5 | Brad Lackey | Lafayette, CA  | Kawasaki |
6 | Mike Runyard | West Covina, CA  | Suzuki |
7 | Gary Semics | Lisbon, OH  | Husqvarna |
8 | Jim Pomeroy | Yakima, WA  | Bultaco |
9 | James Cooke | Huntington Beach, CA  | Kawasaki |
10 | Mark Blackwell | Mission Viejo, CA  | Husqvarna |
11 | Tony DiStefano | Bristol, PA  | CZ |
12 | Gary Chaplin | Cayucos, CA  | Honda |
13 | John Franklin | Madera, CA  | Maico |
14 | Rich Thorwaldson | Cerritos, CA  | Suzuki |
15 | Sonny DeFeo | Port Washington, NY  | Maico |