| Rider | Hometown | Motos | Machine |
|---|
| 1 | Bob Hannah | Whittier, CA | 2 - 1 | Yamaha |
| 2 | Tony DiStefano | Bristol, PA | 3 - 4 | Suzuki |
| 3 | Mickey Boone | Winston Salem, NC | 5 - 3 | Suzuki |
| 4 | Steve Stackable | Austin, TX | 4 - 6 | Maico |
| 5 | Marty Smith | San Diego, CA | 7 - 7 | Honda |
| 6 | Tommy Croft | San Diego, CA | 9 - 8 | Honda |
| 7 | Gaylon Mosier | Garden Grove, CA | 1 | Maico |
| 8 | Gary Semics | Lisbon, OH | 14 - 5 | Kawasaki |
| 9 | Pierre Karsmakers | Netherlands | 6 - 13 | Yamaha |
| 10 |  Kent Howerton | San Antonio, TX | - 2 | Husqvarna |
| 11 | Rich Eierstedt | Norwalk, CA | 10 - 12 | Bultaco |
| 12 | Pat Moroney | Newburgh, NY | 13 - 14 | Husqvarna |
| 13 | Frank Stacy | Cheektowaga, NY | 8 | Penton |
| 14 | Rick Burgett | Sandy, OR | - 9 | Yamaha |
| 15 | Chuck Sun | Sherwood, OR | - 10 | Husqvarna |
| 16 | Jim Pomeroy | Yakima, WA | 12 - 19 | Honda |
| 17 | Rex Staten | Fontana, CA | - 11 | Harley-Davidson |
| 18 | Billy Grossi | Santa Cruz, CA | 11 | Suzuki |
| 19 | Denny Swartz | Reno, OH | 17 - 18 | Maico |
| 20 | Parry Klassen | Reedley, CA | - 15 | Yamaha |
| 21 | Wayne Boyer | Poway, CA | 15 | Yamaha |
| 22 | Tony Summey | Forest City, NC | - 16 | Bultaco |
| 23 | Mickey Kessler | Farmingdale, NJ | 16 | Montesa |
| 24 | Greg Theiss | Omaha, NE | - 17 | Husqvarna |
| 25 | John Savitski | Atlas, PA | 18 - 20 | Suzuki |
| 26 | Ken Adams | West Grove, PA | 19 | Maico |
| 27 | Koji Masuda | Japan | 20 | Suzuki |
Kent Howerton