Orlando Sports Stadium
October 28 1973
500MX Results
| Rider | Hometown | ||
|---|---|---|---|
| 1 |  Brad Lackey | Lafayette, CA  |  |
| 2 |  Jim Weinert | Middletown, NY | |
| 3 | Pierre Karsmakers | The Netherlands  |  |
| 4 | Gary Semics | Lisbon, OH |  |
| 5 | Peter Lamppu | Los Angeles, CA | |
| 6 | Tim Hart | Torrance, CA | |
| 7 | Rich Thorwaldson | Cerritos, CA |  |
| 8 | Mike Runyard | West Covina, CA | |
| 9 |  Jim Pomeroy | Yakima, WA | Bultaco |
| 10 | Mark Blackwell | Mission Viejo, CA | |
| 11 | Sonny DeFeo | Port Washington, NY | Maico |
| 12 | Marty Tripes | Santee, CA |  |
| 13 | Jim Cooke | Huntington Beach, CA | |
| 14 | Tony DiStefano | Bristol, PA | CZ |
| 15 | Gary Chaplin | Cayucos, CA | |
| 16 | Mike Hartwig | Hadley, MI | |