From a press release issued by the FIM:
Superbike World Championship
Supersport World Championship
Sugo-JPN, 27/04/2003 : entry list
N° Rider Superbike Nat. Machine Team
4 Troy Corser AUS Foggy FP1 Foggy Petronas Racing
5 Ivan Clementi ITA Kawasaki ZX7RR Team Kawasaki Bertocchi
6 Mauro Sanchini ITA Kawasaki ZX7RR Team Kawasaki Bertocchi
7 Pier Francesco Chili ITA Ducati 996R Team PSG-1
8 James Haydon GBR Foggy FP1 Foggy Petronas Racing
9 Chris Walker GBR Ducati 998R HM Plant Ducati
10 Gregorio Lavilla SPA Suzuki GSX 1000R Team Alstare Suzuki
11 Ruben Xaus SPA Ducati 999R Ducati Fila
15 Giovanni Bussei ITA Yamaha YZF R1 UnionBike GiMotorsport
19 Lucio Pedercini ITA Ducati 996R Team Pedercini
20 Marco Borciani ITA Ducati 996R D.F.X. Racing Team
28 Serafino Foti ITA Ducati 996R Team Pedercini
33 Juan Bautista Borja SPA Ducati 996R D.F.X. Racing Team
35 Nello Russo ITA Ducati 996R Team Pedercini
48 David Garcia SPA Ducati 996R Team Caracchi NCR Nortel Networks
51 Davide Messori ITA Yamaha YZF R1 UnionBike GiMotorsport
52 James Toseland GBR Ducati 998R HM Plant Ducati
55 Régis Laconi FRA Ducati 996R Team Caracchi NCR Nortel Networks
91 Walter Tortoroglio ITA Honda VTR 1000 SP2 White Endurance Team
99 Steve Martin AUS Ducati 996R D.F.X. Racing Team
100 Neil Hodgson GBR Ducati 999R Ducati Fila
N°. Rider Supersport Nat. Machine Team
1 Fabien Foret FRA Kawasaki ZX6RR Kawasaki Racing Team KRT
2 Katsuaki Fujiwara JPN Suzuki GSX 600R Team Alstare Suzuki
3 Stéphane Chambon FRA Suzuki GSX 600R Team Alstare Suzuki
4 Jurgen Van Den Goorbergh NED Yamaha YZF R6 Team Yamaha Belgarda
7 Chris Vermeulen AUS Honda CBR 600RR Ten Kate Honda
8 Jörg Teuchert GER Yamaha YZF R6 Yamaha Motor Deutschland GMBH
9 Iai n MacPherson GBR Honda CBR 600RR Van Zon Honda T.K.R.
12 Christophe Cogan FRA Honda CBR 600RR BKM Honda Racing Team
15 Alessio Corradi ITA Yamaha YZF R6 Team Italia Spadaro F.R.
16 Simone Sanna ITA Yamaha YZF R6 Team Yamaha Belgarda
17 Pere Riba SPA Kawasaki ZX6RR Kawasaki Racing Team KRT
18 Robert Ulm AUT Honda CBR 600RR Team Klaffi Honda
20 Kai Borre Andersen NOR Kawasaki ZX6RR Saveko Racing Team
21 Matthieu Lagrive FRA Yamaha YZF R6 Yamaha Motor France – IPONE
22 Stefano Cruciani ITA Kawasaki ZX6RR Team Kawasaki Bertocchi
23 Broc Parkes AUS Honda CBR 600RR BKM Honda Racing Team
24 Gianluigi Scalvini ITA Honda CBR 600RR Team Klaffi Honda
31 Karl Muggeridge AUS Honda CBR 600RR Ten Kate Honda
34 Didier Vankeymeulen BEL Kawasaki ZX6RR Saveko Racing Team
69 Gianluca Nannelli ITA Yamaha YZF R6 Team Lorenzini by Leoni
71 Werner Daemen BEL Honda CBR 600RR Van Zon Honda T.K.R.
77 Thierry Van Den Bosch FRA Yamaha YZF R6 Yamaha Motor France – IPONE
93 Christian Kellner GER Yamaha YZF R6 Yamaha Motor Deutschland GMBH
Wild-card riders
Start Rider Nat. Machine Team Nomin.
Superbike .
74 Kenichiro Nakamura JPN Honda VTR 1000 SP2 Blue Helmet MSC MFJ
76 Atsushi Watanabe JPN Suzuki GSX 1000R Team Suzuki MFJ
77 Hitoyasu Izutsu JPN Honda VTR 1000 SPW Team HRC MFJ
79 Noriyasu Numata JPN Ducati 996RS Team Foudatlon MFJ
Supersport
84 Tekkyu Kayo JPN Yamaha YZF R6 Team Yamaha Belgarda MFJ
85 Ryuichi Kiyonari JPN Honda CBR 600RR BKM Honda Racing Team MFJ
Maximum number and nomination of wild-cards riders:
Superbike: 4 nominated by the FMNR (Organising Federation); 2 nominated by the FIM.
Supersport: 2 nominated by the FMNR (Organising Federation).
– A compulsory briefing will be held for all the riders who will be participating for the first time in the current Championship, at 17h00 on the day preceding the day scheduled for the first practice session.