| 1986 | Spanish Grand Prix · Grand Prix | Honda | 20 | | Classified |
| 1986 | Italian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1986 | German Grand Prix · Grand Prix | Honda | 24 | | Classified |
| 1986 | Yugoslavian Grand Prix · Grand Prix | Honda | 20 | | Classified |
| 1986 | Dutch TT · Grand Prix | Honda | — | | Ret |
| 1986 | Belgian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1986 | San Marino Grand Prix · Grand Prix | Honda | — | | Ret |
| 1987 | German Grand Prix · Grand Prix | Honda | — | | Ret |
| 1987 | Italian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1987 | Austrian Grand Prix · Grand Prix | Honda | 19 | | Classified |
| 1987 | Dutch TT · Grand Prix | Honda | — | | Ret |
| 1988 | Spanish Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1988 | Expo 92 Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1988 | German Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1988 | Austrian Grand Prix · Grand Prix | Suzuki | 16 | | Classified |
| 1988 | Dutch TT · Grand Prix | Suzuki | — | | Ret |
| 1988 | Belgian Grand Prix · Grand Prix | Suzuki | 27 | | Classified |
| 1988 | Yugoslavian Grand Prix · Grand Prix | Suzuki | 21 | | Classified |
| 1988 | British Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1988 | Czechoslovak Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1989 | Spanish Grand Prix · Grand Prix | LibrentiSuzuki | — | | Ret |
| 1989 | Nations Grand Prix · Grand Prix | LibrentiSuzuki | 9 | | Classified |
| 1989 | German Grand Prix · Grand Prix | LibrentiSuzuki | — | | DNQ |
| 1989 | Yugoslavian Grand Prix · Grand Prix | LibrentiSuzuki | — | | Ret |
| 1989 | Dutch TT · Grand Prix | LibrentiSuzuki | — | | Ret |
| 1989 | French Grand Prix · Grand Prix | LibrentiSuzuki | — | | Ret |
| 1989 | British Grand Prix · Grand Prix | LibrentiSuzuki | 20 | | Classified |
| 1989 | Swedish Grand Prix · Grand Prix | LibrentiSuzuki | — | | Ret |
| 1989 | Czechoslovak Grand Prix · Grand Prix | LibrentiSuzuki | 23 | | Classified |
| 1990 | Spanish Grand Prix · Grand Prix | Honda | 14 | | Classified |
| 1990 | Nations Grand Prix · Grand Prix | Honda | — | | Ret |
| 1990 | German Grand Prix · Grand Prix | Honda | 12 | | Classified |
| 1990 | British Grand Prix · Grand Prix | Honda | 14 | | Classified |
| 1990 | Swedish Grand Prix · Grand Prix | Honda | — | | Ret |
| 1990 | Czechoslovak Grand Prix · Grand Prix | Honda | — | | Ret |
| 1990 | Hungarian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1991 | European Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1991 | British Grand Prix · Grand Prix | Suzuki | 15 | | Classified |
| 1991 | San Marino Grand Prix · Grand Prix | Suzuki | 18 | | Classified |
| 1991 | Czechoslovak Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1991 | Vitesse du Mans Grand Prix · Grand Prix | Suzuki | 14 | | Classified |
| 1992 | Spanish Grand Prix · Grand Prix | VRP | — | | Ret |
| 1992 | Dutch TT · Grand Prix | VRP | — | | Ret |
| 1992 | Hungarian Grand Prix · Grand Prix | VRP | 19 | | Classified |
| 1992 | British Grand Prix · Grand Prix | VRP | — | | Ret |
| 1992 | Brazilian Grand Prix · Grand Prix | VRP | 21 | | Classified |
| 1992 | South African Grand Prix · Grand Prix | VRP | 23 | | Classified |
| 1994 | Australian motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 23 | | Classified |
| 1994 | Malaysian motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 21 | | Classified |
| 1994 | Japanese motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 26 | | Classified |
| 1994 | Spanish motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 18 | | Classified |
| 1994 | Austrian motorcycle Grand Prix · Grand Prix | ROC-Yamaha | — | | Ret |
| 1994 | German motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 17 | | Classified |
| 1994 | Dutch TT · Grand Prix | ROC-Yamaha | — | | Ret |
| 1994 | Italian motorcycle Grand Prix · Grand Prix | ROC-Yamaha | — | | Ret |
| 1994 | French motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 17 | | Classified |
| 1994 | British motorcycle Grand Prix · Grand Prix | ROC-Yamaha | 20 | | Classified |
| 1994 | Czech Republic motorcycle Grand Prix · Grand Prix | ROC-Yamaha | — | | Ret |
| 1994 | United States motorcycle Grand Prix · Grand Prix | ROC-Yamaha | — | | Ret |
| 1994 | European motorcycle Grand Prix · Grand Prix | ROC-Yamaha | — | | Ret |