1981 Lucas Oil AMA Pro Motocross Championship
Sunshine Speedway - 500MX Results
Sunshine Speedway
St. Petersburg, FL US 
June 7, 1981
500MX Results
| Rider | Hometown | Motos | Bike | |
|---|---|---|---|---|
| 1 |  Broc Glover | El Cajon, CA  | 1 - 2 | Yamaha |
| 2 |  Danny Laporte | Yucca Valley, CA | 3 - 1 | Honda |
| 3 | Chuck Sun | Sherwood, OR | 2 - 5 | Honda |
| 4 | Goat Breker | Anaheim, CA | 4 - 4 | Kawasaki |
| 5 |  Marty Smith | San Diego, CA | 5 - 7 | Suzuki |
| 6 | Darrell Shultz | Orangevale, CA | 6 - 8 | Suzuki |
| 7 | Alan King | Troy, MI | 12 - 6 | Maico |
| 8 | Mickey Kessler | Farmingdale, NJ | 9 - 9 | Maico |
| 9 | Kenny Keylon | Brooksville, FL | 7 - 13 | Yamaha |
| 10 | Arlo Englund | Colorado Springs, CO | 11 - 10 | Yamaha |
| 11 | Mike Bell | Lakewood, CA | - 3 | Yamaha |
| 12 | John Reinholt | Ocoee, FL | 10 - 12 | Maico |
| 13 | Steve Rhyan | San Clemente, CA | 13 - 11 | Husqvarna |
| 14 | Marty Moates | San Diego, CA | 14 - 14 | Yamaha |
| 15 | Billy Grossi | Santa Cruz, CA | 8 | Husqvarna |
| 16 | Tony DiStefano | Bristol, PA | 16 - 15 | Husqvarna |
| 17 | Maby McIntyre | El Paso, TX | 15 - 16 | Yamaha |
| 18 | Alan Pizzino | Painesville, OH | 17 - 18 | Husqvarna |
| 19 | Mark Hutcheson | Mobile, AL | 18 - 19 | Maico |
| 20 | Gary Pustelak | Girard, PA | - 17 | Husqvarna |
| 21 | Brian Thompson | Harrisburg, PA | 19 | Maico |
| 22 | John Symons | Tampa, FL | - 20 | Maico |
| 23 | Rick Sidle | Lebanon, PA | 20 | Honda |
