| 1976 | Austrian Grand Prix · Grand Prix | Yamaha | — | | DNS |
| 1976 | Isle of Man TT · Grand Prix | Yamaha | 4 | | Classified |
| 1976 | Belgian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1976 | Finnish Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1978 | Venezuelan Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1978 | Spanish Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1978 | Austrian Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1978 | French Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1978 | Nations Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1978 | Dutch TT · Grand Prix | Yamaha | 4 | | Classified |
| 1978 | Belgian Grand Prix · Grand Prix | Yamaha | 6 | | Classified |
| 1978 | Swedish Grand Prix · Grand Prix | Yamaha | 3 | | Classified |
| 1978 | Finnish Grand Prix · Grand Prix | Yamaha | 2 | | Classified |
| 1978 | British Grand Prix · Grand Prix | Yamaha | 9 | | Classified |
| 1978 | German Grand Prix · Grand Prix | Yamaha | 5 | | Classified |
| 1980 | Nations Grand Prix · Grand Prix | Suzuki | 6 | | Classified |
| 1980 | Spanish Grand Prix · Grand Prix | Suzuki | 4 | | Classified |
| 1980 | French Grand Prix · Grand Prix | Suzuki | 6 | | Classified |
| 1980 | Dutch TT · Grand Prix | Suzuki | — | | Ret |
| 1980 | Finnish Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1980 | British Grand Prix · Grand Prix | Suzuki | 15 | | Classified |
| 1980 | German Grand Prix · Grand Prix | Suzuki | 12 | | Classified |
| 1981 | Großer Preis von Österreich · Grand Prix | Honda | 13 | | Classified |
| 1981 | Großer Preis von Deutschland · Grand Prix | Honda | — | | Ret |
| 1981 | Gran Premio delle Nazioni · Grand Prix | Honda | — | | Ret |
| 1981 | Grand Prix de France Moto · Grand Prix | Honda | — | | Ret |
| 1981 | Dutch TT Assen · Grand Prix | Honda | — | | Ret |
| 1982 | Argentine Grand Prix · Grand Prix | Honda | 6 | | Classified |
| 1982 | Austrian Grand Prix · Grand Prix | Honda | 9 | | Classified |
| 1982 | French Grand Prix · Grand Prix | Honda | — | | WD |
| 1982 | Spanish Grand Prix · Grand Prix | Honda | 6 | | Classified |
| 1982 | Nations Grand Prix · Grand Prix | Honda | 7 | | Classified |
| 1982 | Dutch TT · Grand Prix | Honda | 8 | | Classified |
| 1982 | Belgian Grand Prix · Grand Prix | Honda | — | | Ret |
| 1982 | Yugoslavian Grand Prix · Grand Prix | Honda | 5 | | Classified |
| 1982 | British Grand Prix · Grand Prix | Honda | — | | Ret |
| 1982 | Swedish Grand Prix · Grand Prix | Honda | 1 | | Classified |
| 1982 | San Marino Grand Prix · Grand Prix | Honda | — | | Ret |
| 1982 | German Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1983 | South African Grand Prix · Grand Prix | Honda | — | | Ret |
| 1983 | French Grand Prix · Grand Prix | Honda | — | | DNS |
| 1983 | Nations Grand Prix · Grand Prix | Honda | 5 | | Classified |
| 1983 | German Grand Prix · Grand Prix | Honda | 2 | | Classified |
| 1983 | Spanish Grand Prix · Grand Prix | Honda | 3 | | Classified |
| 1983 | Austrian Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1983 | Yugoslavian Grand Prix · Grand Prix | Honda | 5 | | Classified |
| 1983 | Dutch TT · Grand Prix | Honda | 2 | | Classified |
| 1983 | Belgian Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1983 | British Grand Prix · Grand Prix | Honda | 6 | | Classified |
| 1983 | Swedish Grand Prix · Grand Prix | Honda | 3 | | Classified |
| 1983 | San Marino Grand Prix · Grand Prix | Honda | — | | DNS |
| 1984 | French Grand Prix · Grand Prix | Honda | — | | DNS |
| 1984 | Dutch TT · Grand Prix | Honda | 8 | | Classified |
| 1984 | British Grand Prix · Grand Prix | Honda | 8 | | Classified |
| 1984 | Swedish Grand Prix · Grand Prix | Honda | 4 | | Classified |
| 1984 | San Marino Grand Prix · Grand Prix | Honda | — | | Ret |
| 1985 | Spanish Grand Prix · Grand Prix | Honda | — | | DNF |
| 1985 | German Grand Prix · Grand Prix | Honda | 11 | | Classified |
| 1985 | Italian Grand Prix · Grand Prix | Honda | — | | DNS |
| 1985 | Austrian Grand Prix · Grand Prix | Honda | 14 | | Classified |
| 1985 | Yugoslavian Grand Prix · Grand Prix | Honda | — | | DNF |
| 1985 | Dutch TT · Grand Prix | Honda | — | | DNF |
| 1985 | Belgian Grand Prix · Grand Prix | Honda | 8 | | Classified |