| 1984 | British Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1984 | Swedish Grand Prix · Grand Prix | Suzuki | 11 | | Classified |
| 1985 | British Grand Prix · Grand Prix | Honda | 8 | | Classified |
| 1986 | Italian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1986 | Dutch TT · Grand Prix | Honda | 8 | | Classified |
| 1986 | Belgian Grand Prix · Grand Prix | Honda | — | | DNS |
| 1986 | British Grand Prix · Grand Prix | Honda | 11 | | Classified |
| 1987 | Japanese Grand Prix · Grand Prix | Honda | 8 | | Classified |
| 1987 | Spanish Grand Prix · Grand Prix | Honda | 9 | | Classified |
| 1987 | German Grand Prix · Grand Prix | Honda | 8 | | Classified |
| 1987 | Italian Grand Prix · Grand Prix | Honda | 11 | | Classified |
| 1987 | Austrian Grand Prix · Grand Prix | Honda | 8 | | Classified |
| 1987 | Yugoslavian Grand Prix · Grand Prix | Honda | 11 | | Classified |
| 1987 | Dutch TT · Grand Prix | Honda | 7 | | Classified |
| 1987 | French Grand Prix · Grand Prix | Honda | 10 | | Classified |
| 1987 | British Grand Prix · Grand Prix | Honda | 9 | | Classified |
| 1987 | Swedish Grand Prix · Grand Prix | Honda | 10 | | Classified |
| 1987 | Czechoslovak Grand Prix · Grand Prix | Honda | 10 | | Classified |
| 1987 | San Marino Grand Prix · Grand Prix | Honda | 6 | | Classified |
| 1987 | Portuguese Grand Prix · Grand Prix | Honda | — | | Ret |
| 1988 | Italian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1988 | British Grand Prix · Grand Prix | Honda | 9 | | Classified |
| 1988 | Swedish Grand Prix · Grand Prix | Honda | 8 | | Classified |
| 1988 | Czechoslovak Grand Prix · Grand Prix | Honda | — | | Ret |
| 1988 | Brazilian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1989 | British Grand Prix · Grand Prix | Honda | 12 | | Classified |