500MX Results
| Rider | Hometown | Machine |
|---|
| 1 | Brad Lackey | Lafayette, CA | Kawasaki |
| 2 | Gary Jones | Hacienda Heights, CA | Yamaha |
| 3 | Bryan Kenney | Cleveland, OH | Maico |
| 4 | Mike Runyard | West Covina, CA | CZ |
| 5 | Jim Pomeroy | Yakima, WA | Bultaco |
| 6 | Rich Thorwaldson | Cerritos, CA | Suzuki |
| 7 | Robert Brown | Salt Lake City, UT | CZ |
| 8 | Bill Clements | Pasadena, CA | Husqvarna |
| 9 | Mark Blackwell | Mission Viejo, CA | Husqvarna |
| 10 | Rick Graszl | Belleville, OH | Maico |
| 11 | Bryar Holcomb | Sunland, CA | Suzuki |
| 12 | Walter Axthelm | Costa Mesa, CA | Maico |
| 13 | Jim Wilson | Torrance, CA | CZ |
| 14 | Jim Weinert | Middletown, NY | Yamaha |