| Rider | Hometown | Machine |
|---|
| 1 | Gary Jones | Hacienda Heights, CA | Yamaha |
| 2 | Peter Lamppu | Los Angeles, CA | Montesa |
| 3 | Bill Cook | Carlton, OR | Maico |
| 4 | Gunnar Lindstrom | Sweden | Husqvarna |
| 5 | Brad Lackey | Lafayette, CA | Kawasaki |
| 6 | Jim Weinert | Middletown, NY | Yamaha |
| 7 | Jim West | Pasadena, CA | Husqvarna |
| 8 | Gary Semics | Lisbon, OH | Husqvarna |
| 9 | Bob Grossi | Brookdale, CA | Husqvarna |
| 10 | Jim Pomeroy | Yakima, WA | Bultaco |
| 11 | Jim Cooke | Placentia, CA | Kawasaki |
| 12 | Bill Clements | Pasadena, CA | Husqvarna |
| 13 | Robert Harris | Windsor, NY | Bultaco |
| 14 | Tom Rapp | Buena Park, CA | Bultaco |
| 15 | James Wicks | Lafayette, CA | Husqvarna |
| 16 | Ronnie Matthews | Canada | Husqvarna |
| 17 | John DeSoto | Honolulu, HI | Kawasaki |
| 18 | Sonny DeFeo | Port Washington, NY | CZ |
| 19 | Robert Rush | Portland, OR | Maico |
| 20 | Mike Runyard | West Covina, CA | Montesa |
