1990 Monster Energy AMA Supercross Championship
Oklahoma City - 250SX Results
State Fair Speedway
Oklahoma City, OK US 
June 10, 1990
250SX Results
| Rider | Hometown | Bike | |
|---|---|---|---|
| 1 |  Jeff Stanton | Sherwood, MI  | Honda |
| 2 | Jean Michel Bayle |  | Honda |
| 3 | Mike Kiedrowski | Canyon Country, CA | Honda |
| 4 | Jeff Matiasevich | La Habra Heights, CA | Kawasaki |
| 5 | Mike LaRocco | La Porte, IN | Suzuki |
| 6 |  Johnny O'Mara | Van Nuys, CA | Kawasaki |
| 7 | Guy Cooper | Stillwater, OK | Suzuki |
| 8 |  Jeff Ward | Mission Viejo, CA | Kawasaki |
| 9 | Ron Tichenor | Palm Harbor, FL | Suzuki |
| 10 | Damon Bradshaw | Charlotte, NC | Yamaha |
| 11 | Fred Andrews | North Canton, OH | Suzuki |
| 12 | Doug Dubach | Costa Mesa, CA | Yamaha |
| 13 | Erik Kehoe | Granada Hills, CA | Honda |
| 14 | Mike Fisher | Santee, CA | Kawasaki |
| 15 | Dean Matson | Felton, CA | Suzuki |
| 16 | Ray Sommo | Capistrano Beach, CA | Suzuki |
| 17 |  Larry Ward | Woodinville, WA | Suzuki |
| 18 | Gene Naumec | Columbia, CT | Kawasaki |
| 19 | Keith Bowen | Pontiac, MI | Suzuki |
| 20 | Chris Young | Orange, CA | Suzuki |
