| 1976 | French Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1976 | Dutch TT · Grand Prix | Suzuki | — | | Ret |
| 1976 | Swedish Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1976 | Finnish Grand Prix · Grand Prix | Suzuki | 8 | | Classified |
| 1976 | Czechoslovak Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1977 | Venezuelan Grand Prix · Grand Prix | Suzuki | 8 | | Classified |
| 1977 | Austrian Grand Prix · Grand Prix | Suzuki | — | | DNS |
| 1977 | German Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1977 | Nations Grand Prix · Grand Prix | Suzuki | 8 | | Classified |
| 1977 | French Grand Prix · Grand Prix | Suzuki | 11 | | Classified |
| 1977 | Dutch TT · Grand Prix | Suzuki | — | | Ret |
| 1977 | Swedish Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1977 | Finnish Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1977 | British Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1978 | Spanish Grand Prix · Grand Prix | Suzuki | 8 | | Classified |
| 1978 | French Grand Prix · Grand Prix | Suzuki | 4 | | Classified |
| 1978 | Nations Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1980 | Nations Grand Prix · Grand Prix | Suzuki | 8 | | Classified |
| 1980 | Spanish Grand Prix · Grand Prix | Suzuki | 16 | | Classified |
| 1980 | French Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1980 | Dutch TT · Grand Prix | Suzuki | — | | Ret |
| 1980 | Belgian Grand Prix · Grand Prix | Suzuki | — | | DNQ |
| 1980 | Finnish Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1981 | Großer Preis von Österreich · Grand Prix | Yamaha | 16 | | Classified |
| 1981 | Großer Preis von Deutschland · Grand Prix | Yamaha | 19 | | Classified |
| 1981 | Gran Premio delle Nazioni · Grand Prix | Yamaha | — | | Ret |
| 1981 | Grand Prix de France Moto · Grand Prix | Yamaha | — | | Ret |
| 1981 | Yu Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 1981 | Dutch TT Assen · Grand Prix | Yamaha | — | | Ret |
| 1981 | Grand Prix Moto · Grand Prix | Yamaha | 29 | | Classified |
| 1981 | Gran Premio di San Marino · Grand Prix | Yamaha | — | | Ret |
| 1981 | Marlboro British Grand Prix · Grand Prix | Yamaha | — | | Ret |