| 1984 | Austrian Grand Prix · Grand Prix | Suzuki | — | | DNQ |
| 1984 | Yugoslavian Grand Prix · Grand Prix | Suzuki | 24 | | Classified |
| 1985 | German Grand Prix · Grand Prix | | — | | DNQ |
| 1985 | Austrian Grand Prix · Grand Prix | | 26 | | Classified |
| 1985 | Yugoslavian Grand Prix · Grand Prix | | 26 | | Classified |
| 1986 | Italian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1986 | German Grand Prix · Grand Prix | Honda | 27 | | Classified |
| 1986 | Austrian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1986 | Yugoslavian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1986 | Dutch TT · Grand Prix | Honda | — | | Ret |
| 1986 | Belgian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1987 | Austrian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1987 | Czechoslovak Grand Prix · Grand Prix | Honda | 20 | | Classified |
| 1988 | Expo 92 Grand Prix · Grand Prix | Honda | 17 | | Classified |
| 1988 | German Grand Prix · Grand Prix | Honda | 20 | | Classified |
| 1988 | Austrian Grand Prix · Grand Prix | Honda | 18 | | Classified |
| 1988 | Dutch TT · Grand Prix | Honda | 21 | | Classified |
| 1988 | Belgian Grand Prix · Grand Prix | Honda | 21 | | Classified |
| 1989 | Spanish Grand Prix · Grand Prix | Honda | 18 | | Classified |
| 1989 | Nations Grand Prix · Grand Prix | Honda | 5 | | Classified |
| 1989 | German Grand Prix · Grand Prix | Honda | 22 | | Classified |
| 1989 | Austrian Grand Prix · Grand Prix | Honda | 16 | | Classified |
| 1989 | Dutch TT · Grand Prix | Honda | — | | Ret |
| 1989 | Belgian Grand Prix · Grand Prix | Honda | 16 | | Classified |
| 1989 | British Grand Prix · Grand Prix | Honda | 21 | | Classified |
| 1989 | Czechoslovak Grand Prix · Grand Prix | Honda | 24 | | Classified |
| 1991 | European Grand Prix · Grand Prix | Yamaha | 17 | | Classified |
| 1991 | French Grand Prix · Grand Prix | Yamaha | 15 | | Classified |
| 1991 | British Grand Prix · Grand Prix | Yamaha | 17 | | Classified |
| 1991 | San Marino Grand Prix · Grand Prix | Yamaha | 16 | | Classified |
| 1991 | Czechoslovak Grand Prix · Grand Prix | Yamaha | 16 | | Classified |
| 1991 | Malaysian Grand Prix · Grand Prix | Yamaha | 13 | | Classified |
| 1992 | Australian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | Malaysian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | Spanish Grand Prix · Grand Prix | Yamaha | 23 | | Classified |
| 1992 | Italian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | European Grand Prix · Grand Prix | Yamaha | 24 | | Classified |
| 1992 | German Grand Prix · Grand Prix | Yamaha | 20 | | Classified |
| 1992 | Dutch TT · Grand Prix | Yamaha | 21 | | Classified |
| 1992 | Hungarian Grand Prix · Grand Prix | Yamaha | 21 | | Classified |
| 1992 | French Grand Prix · Grand Prix | Yamaha | 17 | | Classified |
| 1992 | British Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | Brazilian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1992 | South African Grand Prix · Grand Prix | Yamaha | 24 | | Classified |