500MX Results
| Rider | Hometown | Machine |
|---|
| 1 | Mike Hartwig | Hadley, MI | Yamaha |
| 2 | Tony DiStefano | Bristol, PA | CZ |
| 3 | Gary Semics | Lisbon, OH | Husqvarna |
| 4 | Steve Stackable | Austin, TX | Maico |
| 5 | Bryar Holcomb | Sunland, CA | Bultaco |
| 6 | Doug Sherman | Rowland Hills, CA | CZ |
| 7 | Gary Chaplin | Cayucos, CA | Maico |
| 8 | Rick Burgett | Sandy, OR | Bultaco |
| 9 | Bill Clements | Pasadena, CA | Husqvarna |
| 10 | Terry Clark | Lake Hughes, CA | Husqvarna |
| 11 | Jim Weinert | Middletown, NY | Kawasaki |
| 12 | William Payne | Mission Hills, CA | Maico |
| 13 | Rex Staten | Fontana, CA | Maico |
| 14 | Mark Peters | El Sobrante, CA | Maico |
| 15 | Gordon Ochs | Renton, WA | Bultaco |
| 16 | Charlie Vollenweider | Laqunitas, CA | Bultaco |
| 17 | Joel Shedden | Mission Hills, CA | Maico |
| 18 | Jeff Loff | Carson City, NV | Bultaco |
| 19 | Mark Cook | Simi Valley, CA | Bultaco |
| 20 | Albert Ortiz | San Diego, CA | Maico |