500MX Results
| Rider | Hometown | Machine |
|---|
| 1 | Jim Weinert | Middletown, NY | Yamaha |
| 2 | Gary Semics | Lisbon, OH | Kawasaki |
| 3 | Kent Howerton | San Antonio, TX | Husqvarna |
| 4 | Billy Grossi | Santa Cruz, CA | Suzuki |
| 5 | Gaylon Mosier | Garden Grove, CA | Maico |
| 6 | Steve Stackable | Austin, TX | Maico |
| 7 | Rex Staten | Fontana, CA | Maico |
| 8 | John Ayers | Grove City, PA | Husqvarna |
| 9 | Wyman Priddy | Fort Worth, TX | Kawasaki |
| 10 | Herbert Lee Miller | Canal Fulton, OH | Maico |
| 11 | Pat Richter | Fortuna, CA | CZ |
| 12 | Shan Moore | Sapulpa, OK | Yamaha |
| 13 | Roger Smith | Aurora, CO | Husqvarna |
| 14 | Bill Clements | Pasadena, CA | Husqvarna |
| 15 | Dickey Nowell | Smithfield, TX | Penton |
| 16 | Mark Blackwell | Mission Viejo, CA | Husqvarna |
| 17 | Wesley Patterson | Kansas City, KS | Yamaha |
| 18 | Wayne Boyer | Poway, CA | CZ |
| 19 | Joe Gretchen | Adena, OH | Maico |
| 20 | Gary Chaplin | Cayucos, CA | CZ |