500MX Results
| Rider | Hometown | Machine |
|---|
| 1 | Billy Grossi | Santa Cruz, CA | Suzuki |
| 2 | Pierre Karsmakers | Netherlands | Honda |
| 3 | Steve Stackable | Austin, TX | Maico |
| 4 | Kent Howerton | San Antonio, TX | Husqvarna |
| 5 | Terry Clark | Lake Hughes, CA | Husqvarna |
| 6 | Brad Lackey | Lafayette, CA | Husqvarna |
| 7 | Marty Tripes | Santee, CA | Bultaco |
| 8 | Robert Harris | Windsor, NY | CZ |
| 9 | Tony DiStefano | Bristol, PA | Suzuki |
| 10 | Wayne Boyer | Poway, CA | CZ |
| 11 | Jim West | Pasadena, CA | Maico |
| 12 | John Ayers | Grove City, PA | Maico |
| 13 | Pat Richter | Fortuna, CA | CZ |
| 14 | Steven Floyd | San Angelo, TX | Bultaco |
| 15 | Thomas Wendell | Fayetteville, WV | Maico |
| 16 | Jim Weinert | Middletown, NY | Yamaha |
| 17 | Mark Blackwell | Mission Viejo, CA | Husqvarna |
| 18 | Gary Chaplin | Cayucos, CA | CZ |
| 19 | Carl Zortman | Colorado Springs, CO | Yamaha |
| 20 | Scott Jordan | West Monroe, LA | Bultaco |