500MX Results
| Rider | Hometown | Bike |
1 | Pierre Karsmakers |  | Yamaha |
2 | Jim Pomeroy | Yakima, WA  | Bultaco |
3 | Jim Weinert | Middletown, NY  | Kawasaki |
4 | Tim Hart | Torrance, CA  | Yamaha |
5 | Mike Runyard | West Covina, CA  | Suzuki |
6 | Rich Thorwaldson | Cerritos, CA  | Suzuki |
7 | Peter Lamppu | Los Angeles, CA  | Kawasaki |
8 | Sonny DeFeo | Port Washington, NY  | Maico |
9 | Gary Chaplin | Cayucos, CA  | Honda |
10 | Mark Blackwell | Mission Viejo, CA  | Husqvarna |
11 | James Cooke | Huntington Beach, CA  | Kawasaki |
12 | Tony DiStefano | Bristol, PA  | CZ |
13 | Gary Jones | Hacienda Heights, CA  | Maico |
14 | Mike Hartwig | Hadley, MI  | Husqvarna |
15 | Steve Stackable | Austin, TX  | CZ |
16 | Brad Lackey | Lafayette, CA  | Kawasaki |
17 | Marty Tripes | Santee, CA  | Honda |
18 | Robert Harris | Windsor, NY  | Bultaco |
19 | Tony Wynn | Sherwood, AR  | Kawasaki |
20 | David Doerschuk | Columbus, OH  | Kawasaki |