Outgoing
| Rider | Team 2003 |
|---|---|
 Brian Arch | Retired |
| Ryan Barrett | Retired |
 Hilton Clarke |  |
 Roberto Gaggioli | Retired |
| Michael Johnson | Retired |
| Richard Lund | Retired |
| James Paolinetti | Retired |
| Jared Shimizu | Retired |
| Ken Toman | Retired |
| Rider | Team 2003 |
|---|---|
| Brian Arch | Retired |
| Ryan Barrett | Retired |
| Hilton Clarke | |
| Roberto Gaggioli | Retired |
| Michael Johnson | Retired |
| Richard Lund | Retired |
| James Paolinetti | Retired |
| Jared Shimizu | Retired |
| Ken Toman | Retired |