| Rider | Hometown | Machine | |
|---|---|---|---|
| 1 | Jim Weinert | Middletown, NY | Yamaha |
| 2 | Gary Jones | Hacienda Heights, CA | Yamaha |
| 3 | Mike Runyard | West Covina, CA | Montesa |
| 4 | Bob Grossi | Brookdale, CA | Husqvarna |
| 5 | Gunnar Lindstrom | Sweden | Husqvarna |
| 6 | Bill Cook | Carlton, OR | Maico |
| 7 | Gary Semics | Lisbon, OH | Husqvarna |
| 8 | Brad Lackey | Lafayette, CA | Kawasaki |
| 9 | Douglas Sanger | Trotwood, OH | Maico |
| 10 | Peter Lamppu | Los Angeles, CA | Montesa |
| 11 | Jeff Smith | Canada | Can-am |
| 12 | Paul Pfeifer | Saint Charles, IL | Maico |
| 13 | Jim Cooke | Placentia, CA | Kawasaki |
| 14 | James Wicks | Lafayette, CA | Husqvarna |
| 15 | John DeSoto | Honolulu, HI | Kawasaki |
| 16 | Seppo Makinen | Canada | Husqvarna |
| 17 | Dick Burleson | Lorain, OH | Husqvarna |
| 18 | Jim West | Pasadena, CA | Husqvarna |
| 19 | Ronnie Matthews | Canada | Husqvarna |
| 20 | Jim Pomeroy | Yakima, WA | Bultaco |