| 1998 | Japanese motorcycle Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 2001 | Japanese motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 2001 | South African motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 2001 | Spanish motorcycle Grand Prix · Grand Prix | Yamaha | 12 | | Classified |
| 2001 | French motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 2001 | Italian motorcycle Grand Prix · Grand Prix | Yamaha | 10 | | Classified |
| 2001 | Catalan motorcycle Grand Prix · Grand Prix | Yamaha | 10 | | Classified |
| 2001 | Dutch TT · Grand Prix | Yamaha | 10 | | Classified |
| 2001 | British motorcycle Grand Prix · Grand Prix | Yamaha | 4 | | Classified |
| 2001 | German motorcycle Grand Prix · Grand Prix | Yamaha | 12 | | Classified |
| 2001 | Czech Republic motorcycle Grand Prix · Grand Prix | Yamaha | 11 | | Classified |
| 2001 | Portuguese motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 2001 | Valencian Community motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 2001 | Pacific motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 2001 | Australian motorcycle Grand Prix · Grand Prix | Yamaha | 8 | | Classified |
| 2001 | Malaysian motorcycle Grand Prix · Grand Prix | Yamaha | 9 | | Classified |
| 2001 | Rio de Janeiro motorcycle Grand Prix · Grand Prix | Yamaha | — | | DNS |
| 2003 | SKYY vodka Grand Prix of Japan · Grand Prix | Aprilia | 12 | | Classified |
| 2003 | Arnette Africa's Grand Prix · Grand Prix | Aprilia | — | | Ret |
| 2003 | Gran Prémio Marlboro de España · Grand Prix | Aprilia | 11 | | Classified |
| 2003 | Grand Prix Polini de France · Grand Prix | Aprilia | 8 | | Classified |
| 2003 | Gran Premio Cinzano d'Italia · Grand Prix | Aprilia | — | | Ret |
| 2003 | Gran Premi Marlboro de Catalunya · Grand Prix | Aprilia | 12 | | Classified |
| 2003 | Gauloises Dutch TT · Grand Prix | Aprilia | — | | Ret |
| 2003 | Cinzano British Grand Prix · Grand Prix | Aprilia | 7 | | Classified |
| 2003 | Cinzano Motorrad Grand Prix von Deutschland · Grand Prix | Aprilia | — | | Ret |
| 2003 | Gauloises Grand Prix České republiky · Grand Prix | Aprilia | 13 | | Classified |
| 2003 | Grande Prémio Marlboro de Portugal · Grand Prix | Aprilia | 15 | | Classified |
| 2003 | Cinzano Rio Grand Prix · Grand Prix | Aprilia | 14 | | Classified |
| 2003 | Gauloises Pacific Grand Prix of Motegi · Grand Prix | Aprilia | 12 | | Classified |
| 2003 | Marlboro Malaysian Motorcycle Grand Prix · Grand Prix | Aprilia | 12 | | Classified |
| 2003 | SKYY vodka Australian Grand Prix · Grand Prix | Aprilia | 14 | | Classified |
| 2003 | Gran Premio Marlboro Comunitat Valenciana · Grand Prix | Aprilia | 15 | | Classified |