| Rider | Hometown | Machine | |
|---|---|---|---|
| 1 | Pierre Karsmakers | Netherlands | Yamaha |
| 2 | Gary Jones | Hacienda Heights, CA | Can-am |
| 3 | Billy Grossi | Santa Cruz, CA | Honda |
| 4 | Bob Grossi | Brookdale, CA | Husqvarna |
| 5 | Ken Zahrt | Woodland Hills, CA | Bultaco |
| 6 | Frank Stacy | Cheektowaga, NY | Maico |
| 7 | Peter Lamppu | Los Angeles, CA | Montesa |
| 8 | Mickey Boone | Winston Salem, NC | Honda |
| 9 | Rich Thorwaldson | Cerritos, CA | Suzuki |
| 10 | Gaylon Mosier | Garden Grove, CA | Honda |
| 11 | Don Kudalski | Coral Springs, FL | Bultaco |
| 12 | Gary Chaplin | Cayucos, CA | Maico |
| 13 | Robert Thompson | Appalacian, NY | Ossa |
| 14 | Tony Wynn | Sherwood, AR | Yamaha |
| 15 | Herbert Lee Miller | Canal Fulton, OH | Honda |
| 16 | Bob Taylor | Toledo, OH | Husqvarna |
| 17 | Johnny Williams | Lexington, TN | Honda |
| 18 | Dewayne Jones | Rolland Heights, CA | Can-am |
| 19 | Joe Fischer | Cincinnati, OH | Yamaha |
| 20 | James Jerles | Zanesville, OH | Kawasaki |