500MX Results
| Rider | Hometown | Motos | Machine |
|---|
| 1 |  Bob Hannah | Whittier, CA | 1 - 1 | Yamaha |
| 2 | Steve Stackable | Austin, TX | 2 - 6 | Maico |
| 3 | Tommy Croft | San Diego, CA | 10 - 3 | Honda |
| 4 | Gaylon Mosier | Garden Grove, CA | 3 - 13 | Maico |
| 5 | Mickey Boone | Winston Salem, NC | 4 - 14 | Suzuki |
| 6 | Gary Semics | Lisbon, OH | 11 - 7 | Kawasaki |
| 7 | Chuck Sun | Sherwood, OR | 8 - 10 | Husqvarna |
| 8 | Warren Reid | Westminster, CA | 7 - 11 | Honda |
| 9 | Rex Staten | Fontana, CA | 6 - 12 | Harley-Davidson |
| 10 | Marty Smith | San Diego, CA | - 2 | Honda |
| 11 | Rich Eierstedt | Norwalk, CA | 13 - 8 | Bultaco |
| 12 | Tony DiStefano | Bristol, PA | - 4 | Suzuki |
| 13 | Danny Laporte | Yucca Valley, CA | - 5 | Suzuki |
| 14 | Billy Grossi | Santa Cruz, CA | 5 | Suzuki |
| 15 | Furman Gray | Warrior, AL | 12 - 15 | Maico |
| 16 | Kent Howerton | San Antonio, TX | - 9 | Husqvarna |
| 17 | Mickey Kessler | Farmingdale, NJ | 9 | Montesa |
| 18 | Gary Jones | Hacienda Heights, CA | 16 - 18 | Yamaha |
| 19 | Denny Swartz | Reno, OH | 15 - 19 | Maico |
| 20 | Koji Masuda | Japan | 14 | Suzuki |
| 21 | Marty Tripes | Santee, CA | 20 - 16 | Harley-Davidson |
| 22 | Pat Moroney | Newburgh, NY | - 17 | Husqvarna |
| 23 | Ken Adams | West Grove, PA | 18 - 20 | Maico |
| 24 | Randall Tarter | Euless, TX | 17 | Yamaha |
| 25 | Parry Klassen | Reedley, CA | 19 | Yamaha |
Bob Hannah
