500MX Results
| Rider | Hometown | Motos | Machine |
|---|
| 1 | Pierre Karsmakers | Netherlands | 1 - 4 | Honda |
| 2 | Steve Stackable | Austin, TX | 4 - 3 | Suzuki |
| 3 | Gary Semics | Lisbon, OH | 7 - 2 | Kawasaki |
| 4 | Kent Howerton | San Antonio, TX | 3 - 7 | Husqvarna |
| 5 | Billy Grossi | Santa Cruz, CA | 6 - 5 | Suzuki |
| 6 | Tommy Croft | San Diego, CA | 9 - 6 | Honda |
| 7 | Tony DiStefano | Bristol, PA | - 1 | Suzuki |
| 8 | Rick Burgett | Sandy, OR | 12 - 8 | Yamaha |
| 9 |  Bob Hannah | Whittier, CA | 2 | Yamaha |
| 10 | Gaylon Mosier | Garden Grove, CA | 5 - 16 | Maico |
| 11 | John Ayers | Grove City, PA | 15 - 10 | Maico |
| 12 | Rich Eierstedt | Norwalk, CA | 14 - 11 | Honda |
| 13 | Pat Richter | Fortuna, CA | 8 - 17 | KTM |
| 14 | Chuck Lampe | Phoenix, AZ | 13 - 13 | Maico |
| 15 | Chuck Sun | Sherwood, OR | - 9 | Husqvarna |
| 16 | Wyman Priddy | Fort Worth, TX | 16 - 14 | Bultaco |
| 17 | Terry Clark | Lake Hughes, CA | 11 - 20 | Husqvarna |
| 18 | Mickey Boone | Winston Salem, NC | 10 | Suzuki |
| 19 | Charles Cooper | Stillwater, OK | 17 - 15 | Penton |
| 20 | Tony Summey | Forest City, NC | - 12 | Suzuki |
| 21 | Mike Gillman | Santa Ana, CA | - 18 | CZ |
| 22 | Dewitt Knox | Austin, TX | 20 - 19 | Husqvarna |
| 23 | Robert Harris | Windsor, NY | 18 | CZ |
| 24 | Rick Kidd | Grapevine, TX | 19 | Husqvarna |
Bob Hannah
