| 1992 | Australian Grand Prix · Grand Prix | Yamaha | 20 | | Classified |
| 1992 | Malaysian Grand Prix · Grand Prix | Yamaha | 11 | | Classified |
| 1992 | Spanish Grand Prix · Grand Prix | Yamaha | 14 | | Classified |
| 1992 | Italian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | European Grand Prix · Grand Prix | Yamaha | 16 | | Classified |
| 1992 | German Grand Prix · Grand Prix | Yamaha | 16 | | Classified |
| 1992 | Dutch TT · Grand Prix | Yamaha | 10 | | Classified |
| 1992 | Hungarian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | French Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | British Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | Brazilian Grand Prix · Grand Prix | Yamaha | 16 | | Classified |
| 1992 | South African Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1993 | Australian motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1993 | Malaysian motorcycle Grand Prix · Grand Prix | Yamaha | 24 | | Classified |
| 1993 | Japanese motorcycle Grand Prix · Grand Prix | Yamaha | 18 | | Classified |
| 1993 | Spanish motorcycle Grand Prix · Grand Prix | Yamaha | 17 | | Classified |
| 1993 | Austrian motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1993 | German motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1993 | Dutch TT · Grand Prix | Yamaha | 19 | | Classified |
| 1993 | European motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1993 | San Marino motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1993 | British motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1993 | Czech Republic motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1993 | Italian motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1993 | United States motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1993 | FIM motorcycle Grand Prix · Grand Prix | Yamaha | 13 | | Classified |
| 1994 | Australian motorcycle Grand Prix · Grand Prix | Harris-Yamaha | — | | Ret |
| 1994 | Malaysian motorcycle Grand Prix · Grand Prix | Harris-Yamaha | — | | Ret |
| 1994 | Spanish motorcycle Grand Prix · Grand Prix | Harris-Yamaha | — | | Ret |
| 1994 | Austrian motorcycle Grand Prix · Grand Prix | Harris-Yamaha | 21 | | Classified |
| 1994 | German motorcycle Grand Prix · Grand Prix | Harris-Yamaha | 16 | | Classified |
| 1994 | Dutch TT · Grand Prix | Harris-Yamaha | 17 | | Classified |
| 1994 | Italian motorcycle Grand Prix · Grand Prix | Harris-Yamaha | — | | Ret |
| 1994 | French motorcycle Grand Prix · Grand Prix | Harris-Yamaha | 16 | | Classified |
| 1994 | British motorcycle Grand Prix · Grand Prix | Harris-Yamaha | 16 | | Classified |
| 1994 | Czech Republic motorcycle Grand Prix · Grand Prix | Harris-Yamaha | — | | Ret |
| 1994 | United States motorcycle Grand Prix · Grand Prix | Harris-Yamaha | — | | Ret |
| 1994 | Argentine motorcycle Grand Prix · Grand Prix | Harris-Yamaha | — | | Ret |
| 1994 | European motorcycle Grand Prix · Grand Prix | Harris-Yamaha | — | | Ret |