| 1988 | Japanese Grand Prix · Grand Prix | Yamaha | 6 | | Classified |
| 1988 | United States Grand Prix · Grand Prix | Yamaha | 4 | | Classified |
| 1988 | Spanish Grand Prix · Grand Prix | Yamaha | 6 | | Classified |
| 1988 | Expo 92 Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1988 | Italian Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1988 | German Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1988 | Austrian Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1988 | Dutch TT · Grand Prix | Yamaha | 7 | | Classified |
| 1988 | Belgian Grand Prix · Grand Prix | Yamaha | 5 | | Classified |
| 1988 | Yugoslavian Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1988 | French Grand Prix · Grand Prix | Yamaha | 5 | | Classified |
| 1988 | British Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1988 | Swedish Grand Prix · Grand Prix | Yamaha | 5 | | Classified |
| 1988 | Czechoslovak Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1988 | Brazilian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1989 | Japanese Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1989 | Australian Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1989 | United States Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1989 | Spanish Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1989 | Nations Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1989 | German Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1989 | Austrian Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1989 | Yugoslavian Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1989 | Dutch TT · Grand Prix | Yamaha | 1 | | Classified |
| 1989 | Belgian Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1989 | French Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1989 | British Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1989 | Swedish Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1989 | Czechoslovak Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1989 | Brazilian Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1990 | Japanese Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1990 | United States Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1990 | Spanish Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1990 | Nations Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1990 | German Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1990 | Austrian Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1990 | Yugoslavian Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1990 | Dutch TT · Grand Prix | Yamaha | 2 | | Classified |
| 1990 | Belgian Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1990 | French Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1990 | British Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1990 | Swedish Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1990 | Czechoslovak Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1990 | Hungarian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1990 | Australian Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1991 | Japanese Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1991 | Australian Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1991 | United States Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1991 | Spanish Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1991 | Italian Grand Prix · Grand Prix | Yamaha | 9 | | Classified |
| 1991 | German Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1991 | Austrian Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1991 | European Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1991 | Dutch TT · Grand Prix | Yamaha | 2 | | Classified |
| 1991 | French Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1991 | British Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1991 | San Marino Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1991 | Czechoslovak Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1991 | Vitesse du Mans Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1992 | Japanese Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | Australian Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1992 | Malaysian Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1992 | Spanish Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1992 | Italian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | European Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1992 | German Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | Hungarian Grand Prix · Grand Prix | Yamaha | 5 | | Classified |
| 1992 | French Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1992 | British Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1992 | Brazilian Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1992 | South African Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1993 | Australian motorcycle Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1993 | Malaysian motorcycle Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1993 | Japanese motorcycle Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1993 | Spanish motorcycle Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1993 | Austrian motorcycle Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1993 | German motorcycle Grand Prix · Grand Prix | Yamaha | 5 | | Classified |
| 1993 | Dutch TT · Grand Prix | Yamaha | 5 | | Classified |
| 1993 | European motorcycle Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1993 | San Marino motorcycle Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1993 | British motorcycle Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1993 | Czech Republic motorcycle Grand Prix · Grand Prix | Yamaha | 1 | | Classified |
| 1993 | Italian motorcycle Grand Prix · Grand Prix | Yamaha | — | | Ret |