1989 AMA Pro Motocross Championship Kenworthy's Motocross Park: 250MX Results
July 16, 1989
- Monster Energy AMA Supercross Championship
- AMA Pro Motocross Championship
- SuperMotocross World Championship
- FIM Motocross World Championship
- Progressive GNCC Racing
- Motocross of Nations
- FIM World Supercross Championship
- Australian Supercross Championship
- Women's Motocross Championship
- Monster Energy Cup
250MX Results
| Rider | Hometown | Motos | Bike | |
|---|---|---|---|---|
| 1 | Ron Lechien | El Cajon, CA | 2 - 1 | Kawasaki |
| 2 | Jeff Ward | Mission Viejo, CA | 1 - 3 | Kawasaki |
| 3 | Rick Johnson | El Cajon, CA | 3 - 2 | Honda |
| 4 | | Palm Harbor, FL | 5 - 4 | Suzuki |
| 5 | | Pontiac, MI | 6 - 6 | Suzuki |
| 6 | | Yorba Linda, CA | 9 - 5 | Yamaha |
| 7 | | North Canton, OH | 8 - 8 | Honda |
| 8 | | Litchfield Park, AZ | 12 - 7 | Yamaha |
| 9 | | Capistrano Beach, CA | 10 - 10 | Suzuki |
| 10 | | Atwater, OH | 11 - 11 | Honda |
| 11 | | Costa Mesa, CA | 7 - 15 | Yamaha |
| 12 | | Lewisville, TX | 14 - 9 | Kawasaki |
| 13 | | Sherwood, MI | 4 | Honda |
| 14 | | Santee, CA | 13 - 12 | Kawasaki |
| 15 | | Wappingers Falls, NY | - 13 | Honda |
| 16 | Johnny O'Mara | Van Nuys, CA | 15 - 19 | Suzuki |
| 17 | | Gracey, KY | 23 - 14 | Suzuki |
| 18 | | New Philadelphia, OH | 20 - 16 | Honda |
| 19 | | Blanchester, OH | 16 - 29 | Kawasaki |
| 20 | | Worth, IL | 22 - 17 | Yamaha |
| 21 | | Hopedale, OH | 17 | Honda |
| 22 | | Pembroke, MA | 21 - 18 | Kawasaki |
| 23 | | Mantua, OH | 18 - 24 | Honda |
| 24 | | Saint Clair, MO | 19 - 23 | Yamaha |
| 25 | | Chicopee, MA | 30 - 20 | Suzuki |


