| 1994 | Argentine motorcycle Grand Prix · Grand Prix | Harris-Yamaha | 15 | | Classified |
| 1994 | European motorcycle Grand Prix · Grand Prix | Harris-Yamaha | 16 | | Classified |
| 1995 | Australian motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 20 | | Classified |
| 1995 | Malaysian motorcycle Grand Prix · Grand Prix | ROC-Yamaha | — | | Ret |
| 1995 | Japanese motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 14 | | Classified |
| 1995 | Spanish motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 12 | | Classified |
| 1995 | German motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 14 | | Classified |
| 1995 | Italian motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 14 | | Classified |
| 1995 | Dutch TT · Grand Prix | ROC-Yamaha | 13 | | Classified |
| 1995 | French motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 8 | | Classified |
| 1995 | British motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 7 | | Classified |
| 1995 | Czech Republic motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 10 | | Classified |
| 1995 | Rio de Janeiro motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 11 | | Classified |
| 1995 | Argentine motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 10 | | Classified |
| 1995 | European motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 9 | | Classified |
| 2004 | betandwin.com Africa's Grand Prix · Grand Prix | Ducati | — | | Ret |
| 2004 | Gran Premio Marlboro de España · Grand Prix | Ducati | — | | Ret |
| 2004 | Grand Prix Polini de France · Grand Prix | Ducati | — | | Ret |
| 2004 | Gran Premio Cinzano d'Italia · Grand Prix | Ducati | 11 | | Classified |
| 2004 | Gran Premi Gauloises de Catalunya · Grand Prix | Ducati | 12 | | Classified |
| 2004 | Gauloises TT Assen · Grand Prix | Ducati | 10 | | Classified |
| 2004 | Cinzano Rio Grand Prix · Grand Prix | Ducati | 16 | | Classified |
| 2004 | Veltins Motorrad Grand Prix Deutschland · Grand Prix | Ducati | 13 | | Classified |
| 2004 | Cinzano British Grand Prix · Grand Prix | Ducati | 10 | | Classified |
| 2004 | Gauloises Grand Prix České republiky · Grand Prix | Ducati | 11 | | Classified |
| 2004 | Grande Prémio Marlboro de Portugal · Grand Prix | Ducati | — | | Ret |
| 2004 | Camel Grand Prix of Japan · Grand Prix | Ducati | 8 | | Classified |
| 2004 | Marlboro Grand Prix of Qatar · Grand Prix | Ducati | — | | Ret |
| 2004 | Marlboro Malaysian Motorcycle Grand Prix · Grand Prix | Ducati | — | | Ret |
| 2004 | Cinzano Australian Grand Prix · Grand Prix | Ducati | 18 | | Classified |
| 2004 | Gran Premio Marlboro Comunitat Valenciana · Grand Prix | Ducati | 15 | | Classified |