Incoming
| Rider | Team 2003 |
|---|---|
 |  Motorex - Bianchi |
 |
Outgoing
| Rider | Team 2004 |
|---|---|
 Petra Bernhard | Retired |
| Franz Hofer | Retired |
| Johann Pallhuber | |
 Roel Paulissen | |
| Rider | Team 2003 |
|---|---|
| Motorex - Bianchi |
|
| Rider | Team 2004 |
|---|---|
| Petra Bernhard | Retired |
| Franz Hofer | Retired |
| Johann Pallhuber | |
| Roel Paulissen | |