From a press release issued by the FIM:

MotoGP class

No. Rider Nation Machine Team

3 Max Biaggi, ITA, Honda, Camel Pramac Honda Pons
6 Makoto Tamada, JPN, Honda, Camel Pramac Honda Pons
7 Carlos Checa, SPA, Yamaha, Gauloises Fortuna Yamaha
9 Nobuatsu Aoki, JPN, Proton KR, Proton Team KR
10 Kenny Roberts, USA, Suzuki, Suzuki Grand Prix Team
11 Ruben Xaus, SPA, Ducati, D’Antin MotoGP
12 Troy Bayliss, AUS, Ducati, Ducati Marlboro Team
15 Sete Gibernau, SPA, Honda, Telefonica Movistar Honda
21 John Hopkins, USA, Suzuki, Suzuki Grand Prix Team
33 Marco Melandri, ITA, Yamaha, Fortuna Gauloises Tech 3
45 Colin Edwards, USA, Honda, Telefonica Movistar Honda
46 Valentino Rossi, ITA, Yamaha, Gauloises Fortuna Yamaha
50 Neil Hodgson, GBR, Ducati, D’Antin MotoGP
56 Shinya Nakano, JPN, Kawasaki, Kawasaki Racing Team
65 Loris Capirossi, ITA, Ducati, Ducati Marlboro Team
66 Alex Hofmann, GER, Kawasaki, Kawasaki Racing Team
67 Shane Byrne, GBR, Aprilia, Aprilia Racing
69 Nicky Hayden, USA, Honda, Repsol Honda
80 Kurtis Roberts, USA, Proton KR, Proton Team KR
99 Jeremy McWilliams, GBR, Aprilia, Aprilia Racing
To be confirmed, Harris WCM, WCM
To be confirmed, Harris WCM, WCM
To be confirmed, Honda, Repsol Honda
To be confirmed, Yamaha, Fortuna Gauloises Tech 3


250cc class

No. Rider Nation Machine Team

2 Roberto Rolfo, ITA, Honda, Fortuna Honda
6 Alex Debon, SPA, Honda, Troll Honda BQR
7 Randy de Puniet, FRA, Aprilia, LCR
8 Naoki Matsudo, JPN, Yamaha, Yamaha Kurz
9 Hugo Marchand, FRA, Aprilia, Zoppini Abruzzo
10 Alfonso Nieto, SPA, Aprilia, Repsol – Aspar Team
11 Joan Olive, SPA, Aprilia, Campetella Racing
14 Anthony West, AUS, Aprilia, Team Zoppini Abruzzo
15 Christian Gemmel, GER, Honda, Kiefer Castrol – Honda Racing
16 Johan Stiegefelt, SWE, Aprilia, Aprilia Germany
19 Sebastian Porto, ARG, Aprilia, Repsol – Aspar Team
21 Franco Battaini, ITA, Aprilia, Campetella Racing
23 Gino Borsoi, ITA, Aprilia, Racing World
24 Toni Elias, SPA, Honda, Fortuna Honda
25 Alex Baldolini, ITA, Aprilia, Matteoni Racing
26 Daniel Pedrosa, SPA, Honda, Telefonica Movistar Junior Team
28 Dirk Heidolf, GER, Aprilia, Aspar Junior Team
33 Hector Faubel, SPA, Aprilia, Aspar Junior Team
34 Eric Bataille, FRA, Honda, Troll Honda BQR
50 Sylvain Guintoli, FRA, Aprilia, Campetella Racing
51 Alex de Angelis, RSM, Aprilia, Aprilia Racing
54 Manuel Poggiali, RSM, Aprilia, Aprilia Racing
57 Chaz Davies, GBR, Aprilia, Aprilia Germany
73 Hiroshi Aoyama, JPN, Honda, Telefonica Movistar Junior Team
96 Jakub Smrz, CZE, Honda, Arie Molenaar Racing
To be confirmed, Aprilia, Equipe de France – Scrab GP
To be confirmed, Yamaha, Yamaha Kurz


125cc class –

No. Rider Nation Machine Team

3 Hector Barbera, SPA, Aprilia, Seedorf Racing
6 Mirko Giansanti, ITA, Aprilia, Matteoni Racing
7 Stefano Perugini, ITA, Gilera, Gilera Racing Team
10 Julian Simon, SPA, Aprilia, Angaia Racing
11 Mattia Angeloni, ITA, Aprilia, Angaia Racing
12 Thomas Lüthi, SUI, Honda, Elit Grand Prix
14 Gabor Talmacsi, HUN, Malaguti, Semprucci Malaguti
15 Roberto Locatelli, ITA, Aprilia, LCR
16 Raymond Schouten, NED, Honda, Arie Molenaar Racing
19 Alvaro Bautista, SPA, Aprilia, Seedorf Racing
21 Steve Jenkner, GER, Aprilia, WWC
22 Pablo Nieto, SPA, Aprilia, Master – MXonda – Aspar Team
24 Simone Corsi, ITA, Honda, Team Scot
25 Imre Toth, HUN, Aprilia, Team Hungary
26 Dario Giuseppetti, GER, Honda, Elit Grand Prix
27 Casey Stoner, AUS, KTM, KTM Red Bull
28 Jordi Carchano, SPA, Aprilia, Matteoni Racing
32 Fabrizio Lai, ITA, Gilera, Gilera Racing Team
33 Sergio Gadea, SPA, Aprilia, Master – Mxonda – Aspar Team
34 Andrea Dovizioso, ITA, Honda, Team Scot
36 Mika Kallio, FIN, KTM, KTM Red Bull
41 Youichi Ui, JPN, Aprilia, Abruzzo Racing Team
42 Gioele Pellino, ITA, Aprilia, Abruzzo Racing Team
44 Joshua Waters, AUS, Honda, Ajo Motorsport
47 Angel Rodriguez, SPA, Derbi, Derbi Racing Team
48 Jorge Lorenzo, SPA, Derbi, Derbi Racing Team
50 Andrea Ballerini, ITA, Aprilia, Fontana
51 Manuel Manna, ITA, Malaguti, Semprucci Malaguti
52 Lukas Pesek, CZE, Honda, Ajo Motorsport
54 Mattia Pasini, ITA, Aprilia, LCR
58 Marco Simoncelli, ITA, Aprilia, WWC
63 Mike di Meglio, FRA, Aprilia, Racing World
66 Vesa Kallio, FIN, Aprilia, Team Hungary