The first round of the 2004-2005 THQ World Supercross GP marked former SX Champion Ricky Carmichael’s first win on a Suzuki. RC made a strong return to the Supercross series after being out last season with a torn ACL, and is off to a good start on his Team Makita Suzuki RM250.KTM’s Nathan Ramsey dominated the 125 class aboard the newly released SX 250F, bringing home the first win for KTM’s all-new factory Supercross team.
| 250cc Class Main Event Results |
| 1. |
Ricky Carmichael, Suzuki |
| 2. |
Mike LaRocco, Honda |
| 3. |
Tim Ferry, Yamaha |
| 4. |
Heath Voss, Yamaha |
| 5. |
Nick Wey, Honda |
| 6. |
Tyler Evans, Suzuki |
| 7. |
Keith Johnson, Yamaha |
| 8. |
Jason Thomas, Honda |
| 9. |
Damon Huffman, Honda |
| 10. |
Doug Dehaan, Honda |
| 11. |
Erick Vallejo, Yamaha |
| 12. |
Joe Oehlhof, Honda |
| 13. |
Ryan Clark, Yamaha |
| 14. |
Kyle Lewis, Honda |
| 15. |
Justin Buckelew, Honda |
| 16. |
Isaiah Johnson, Yamaha |
| 17. |
Josh Hansen, KTM |
| 18. |
Jeff Gibson, Honda |
| 19. |
Sebastien Tortelli, Suzuki |
| 20. |
Sean Hamblin, Kawasaki |
| |