| 1977 | Venezuelan Grand Prix · Grand Prix | Suzuki | 9 | | Classified |
| 1977 | Austrian Grand Prix · Grand Prix | Suzuki | — | | DNS |
| 1977 | German Grand Prix · Grand Prix | Suzuki | 4 | | Classified |
| 1977 | Nations Grand Prix · Grand Prix | Suzuki | 11 | | Classified |
| 1977 | French Grand Prix · Grand Prix | Suzuki | 6 | | Classified |
| 1977 | Dutch TT · Grand Prix | Suzuki | — | | Ret |
| 1977 | Belgian Grand Prix · Grand Prix | Suzuki | 5 | | Classified |
| 1977 | Swedish Grand Prix · Grand Prix | Suzuki | 4 | | Classified |
| 1977 | Finnish Grand Prix · Grand Prix | Suzuki | 5 | | Classified |
| 1977 | Czechoslovak Grand Prix · Grand Prix | Suzuki | 7 | | Classified |
| 1977 | British Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1978 | Venezuelan Grand Prix · Grand Prix | Suzuki | 4 | | Classified |
| 1978 | Spanish Grand Prix · Grand Prix | Suzuki | 10 | | Classified |
| 1978 | Austrian Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1978 | French Grand Prix · Grand Prix | Suzuki | 7 | | Classified |
| 1978 | Nations Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1978 | Dutch TT · Grand Prix | Suzuki | 10 | | Classified |
| 1978 | Belgian Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1978 | Swedish Grand Prix · Grand Prix | Suzuki | 15 | | Classified |
| 1978 | Finnish Grand Prix · Grand Prix | Suzuki | 5 | | Classified |
| 1978 | British Grand Prix · Grand Prix | Suzuki | 15 | | Classified |
| 1978 | German Grand Prix · Grand Prix | Suzuki | 13 | | Classified |
| 1979 | Venezuelan Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1979 | Austrian Grand Prix · Grand Prix | Suzuki | 7 | | Classified |
| 1979 | German Grand Prix · Grand Prix | Suzuki | 9 | | Classified |
| 1979 | Nations Grand Prix · Grand Prix | Suzuki | 11 | | Classified |
| 1979 | Spanish Grand Prix · Grand Prix | Suzuki | 11 | | Classified |
| 1979 | Yugoslavian Grand Prix · Grand Prix | Suzuki | 9 | | Classified |
| 1979 | Dutch TT · Grand Prix | Suzuki | 10 | | Classified |
| 1979 | Belgian Grand Prix · Grand Prix | Suzuki | — | | DNS |
| 1979 | Swedish Grand Prix · Grand Prix | Suzuki | 5 | | Classified |
| 1979 | Finnish Grand Prix · Grand Prix | Suzuki | 11 | | Classified |
| 1979 | British Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1979 | French Grand Prix · Grand Prix | Suzuki | 7 | | Classified |
| 1980 | Dutch TT · Grand Prix | Suzuki | 17 | | Classified |
| 1980 | Belgian Grand Prix · Grand Prix | Suzuki | — | | DNQ |
| 1980 | British Grand Prix · Grand Prix | Suzuki | 17 | | Classified |
| 1980 | German Grand Prix · Grand Prix | Suzuki | 17 | | Classified |
| 1981 | Gran Premio delle Nazioni · Grand Prix | Yamaha | — | | DNQ |
| 1981 | Dutch TT Assen · Grand Prix | Yamaha | 18 | | Classified |
| 1981 | Grand Prix Moto · Grand Prix | Yamaha | 20 | | Classified |
| 1981 | Gran Premio di San Marino · Grand Prix | Yamaha | — | | Ret |
| 1981 | Marlboro British Grand Prix · Grand Prix | Yamaha | 9 | | Classified |
| 1981 | Finnish GP · Grand Prix | Yamaha | 10 | | Classified |
| 1981 | Swedish TT · Grand Prix | Yamaha | 15 | | Classified |
| 1982 | Austrian Grand Prix · Grand Prix | Yamaha | 16 | | Classified |
| 1982 | French Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1982 | Spanish Grand Prix · Grand Prix | Yamaha | 13 | | Classified |
| 1982 | Dutch TT · Grand Prix | Yamaha | 14 | | Classified |
| 1982 | Belgian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1982 | Yugoslavian Grand Prix · Grand Prix | Yamaha | 22 | | Classified |
| 1982 | British Grand Prix · Grand Prix | Yamaha | 18 | | Classified |
| 1982 | Swedish Grand Prix · Grand Prix | Yamaha | 10 | | Classified |
| 1982 | German Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1983 | South African Grand Prix · Grand Prix | Yamaha | 20 | | Classified |
| 1983 | French Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1983 | Nations Grand Prix · Grand Prix | Yamaha | 15 | | Classified |
| 1983 | German Grand Prix · Grand Prix | Yamaha | 18 | | Classified |
| 1983 | Spanish Grand Prix · Grand Prix | Yamaha | 15 | | Classified |
| 1983 | Austrian Grand Prix · Grand Prix | Yamaha | 20 | | Classified |
| 1983 | Dutch TT · Grand Prix | Yamaha | — | | Ret |
| 1983 | Belgian Grand Prix · Grand Prix | Yamaha | — | | DNQ |
| 1983 | British Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1983 | Swedish Grand Prix · Grand Prix | Yamaha | 13 | | Classified |
| 1983 | San Marino Grand Prix · Grand Prix | Yamaha | 16 | | Classified |
| 1984 | Italian Grand Prix · Grand Prix | Yamaha | 17 | | Classified |
| 1984 | German Grand Prix · Grand Prix | Yamaha | 11 | | Classified |
| 1984 | Dutch TT · Grand Prix | Yamaha | 12 | | Classified |
| 1984 | Belgian Grand Prix · Grand Prix | Yamaha | 16 | | Classified |
| 1984 | British Grand Prix · Grand Prix | Yamaha | 16 | | Classified |
| 1984 | Swedish Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1984 | San Marino Grand Prix · Grand Prix | Yamaha | 20 | | Classified |
| 1985 | Dutch TT · Grand Prix | Yamaha | — | | DNF |
| 1985 | British Grand Prix · Grand Prix | Yamaha | 17 | | Classified |