Outgoing
| Rider | Team 2005 |
|---|---|
 Benito Bracconi | Retired |
 Aitor Galdos Alonso | |
| Ivan Grossi | Retired |
| Stefano Guerrini | |
 Satoshi Hirose | Retired |
 Oleg Joukov | Retired |
| Yukinaga Kodaira | Retired |
| Maurizio Montalbano | Retired |
| Keita Seino | Retired |
| Ikemoto Shinya | Retired |
 Mikhail Teteriouk | Retired |