| Num. Piloti | Team |
| 1 |  | Casey Stoner
Campione del Mondo in carica | | 33 |  | Marco Melandri |
| Ducati Marlboro Team - Ducati |
| 46 |  | Valentino Rossi | | 48 |  | Jorge Lorenzo |
| Fiat Yamaha - Yamaha |
| 69 |  | Nicky Hayden | | 26 |  | Dani Pedrosa |
| Honda Repsol - Honda |
| 3 |  | Alex de Angelis | | 56 |  | Shinya Nakano |
| Honda Gresini - Honda |
| 5 |  | Colin Edwards | | 52 |  | James Toseland |
| Yamaha Tech3 – Yamaha |
| 7 |  | Chris Vermeulen | | 65 |  | Loris Capirossi |
| Rizla Suzuki – Suzuki |
| 13 |  | Anthony West | | 21 |  | John Hopkins |
| Kawasaki Racing – Kawasaki |
| 24 |  | Toni Elias
| | 50 |  | Sylvain Guintoli |
| Team Alice – Ducati |
| 4 |  | Andrea Dovizioso |
| JiR Scot Team – Honda |
| 14 |  | Randy de Puniet |
| Honda LCR – Honda
|
