| 1983 | French Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1983 | Yugoslavian Grand Prix · Grand Prix | Suzuki | 19 | | Classified |
| 1983 | Dutch TT · Grand Prix | Suzuki | 15 | | Classified |
| 1983 | Belgian Grand Prix · Grand Prix | Suzuki | 13 | | Classified |
| 1984 | Italian Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1984 | French Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1984 | Dutch TT · Grand Prix | Suzuki | 10 | | Classified |
| 1984 | Belgian Grand Prix · Grand Prix | Suzuki | 17 | | Classified |
| 1984 | Swedish Grand Prix · Grand Prix | Suzuki | 10 | | Classified |
| 1984 | San Marino Grand Prix · Grand Prix | Suzuki | 13 | | Classified |
| 1985 | Spanish Grand Prix · Grand Prix | Honda | 15 | | Classified |
| 1985 | German Grand Prix · Grand Prix | Honda | 16 | | Classified |
| 1985 | Italian Grand Prix · Grand Prix | Honda | — | | DNF |
| 1985 | Austrian Grand Prix · Grand Prix | Honda | 11 | | Classified |
| 1985 | Yugoslavian Grand Prix · Grand Prix | Honda | 13 | | Classified |
| 1985 | Dutch TT · Grand Prix | Honda | — | | DNF |
| 1985 | Belgian Grand Prix · Grand Prix | Honda | 19 | | Classified |
| 1985 | French Grand Prix · Grand Prix | Honda | — | | DNF |
| 1985 | British Grand Prix · Grand Prix | Honda | — | | DNF |
| 1985 | Swedish Grand Prix · Grand Prix | Honda | 11 | | Classified |
| 1985 | San Marino Grand Prix · Grand Prix | Honda | 18 | | Classified |
| 1986 | German Grand Prix · Grand Prix | Honda | — | | Ret |
| 1986 | Austrian Grand Prix · Grand Prix | Honda | 21 | | Classified |
| 1986 | Yugoslavian Grand Prix · Grand Prix | Honda | 14 | | Classified |
| 1986 | Dutch TT · Grand Prix | Honda | — | | Ret |
| 1986 | Belgian Grand Prix · Grand Prix | Honda | — | | DNS |
| 1986 | Swedish Grand Prix · Grand Prix | Honda | 19 | | Classified |
| 1986 | San Marino Grand Prix · Grand Prix | Honda | — | | Ret |