Zoar Motor Park
September 23 1973
500MX Results
| Rider | Hometown | ||
|---|---|---|---|
| 1 | Pierre Karsmakers | The Netherlands  |  |
| 2 | Mike Hartwig | Hadley, MI  |  |
| 3 | Tim Hart | Torrance, CA | |
| 4 |  Jim Pomeroy | Yakima, WA | Bultaco |
| 5 |  Gary Jones | Hacienda Heights, CA | Maico |
| 6 | Gary Semics | Lisbon, OH | |
| 7 | Robert Harris | Windsor, NY | Bultaco |
| 8 | Rich Thorwaldson | Cerritos, CA |  |
| 9 | John Franklin | Madera, CA | Maico |
| 10 | Steve Stackable | Austin, TX | CZ |
| 11 | Jim Cooke | Huntington Beach, CA |  |
| 12 | Peter Lamppu | Los Angeles, CA | |
| 13 | Mike Runyard | West Covina, CA | |
| 14 | Bill Clements | Pasadena, CA | |
| 15 | Tony DiStefano | Bristol, PA | CZ |
| 16 | Tony Wynn | Sherwood, AR | |
| 17 | Gary Chaplin | Cayucos, CA |  |
| 18 |  Jim Weinert | Middletown, NY | |
| 19 | James Both | Franklin Lakes, NJ | |
| 20 | David Doerschuk | Columbus, OH | |