| 1973 | French Grand Prix · Grand Prix | RR500 | — | | Ret |
| 1973 | Dutch TT · Grand Prix | RR500 | — | | Ret |
| 1973 | Belgian Grand Prix · Grand Prix | RR500 | 5 | | Classified |
| 1974 | French Grand Prix · Grand Prix | RR500 | 5 | | Classified |
| 1974 | German Grand Prix · Grand Prix | RR500 | — | | DNS |
| 1974 | Austrian Grand Prix · Grand Prix | RR500 | — | | Ret |
| 1974 | Belgian Grand Prix · Grand Prix | RR500 | 6 | | Classified |
| 1974 | Czechoslovak Grand Prix · Grand Prix | RR500 | 8 | | Classified |
| 1975 | French Grand Prix · Grand Prix | Harley-Davidson | 7 | | Classified |
| 1975 | German Grand Prix · Grand Prix | Harley-Davidson | — | | Ret |
| 1975 | Nations Grand Prix · Grand Prix | Harley-Davidson | — | | Ret |
| 1976 | French Grand Prix · Grand Prix | Suzuki | — | | DNS |
| 1976 | Austrian Grand Prix · Grand Prix | Suzuki | 4 | | Classified |
| 1976 | Nations Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1976 | Dutch TT · Grand Prix | Suzuki | — | | Ret |
| 1976 | Belgian Grand Prix · Grand Prix | Suzuki | 4 | | Classified |
| 1977 | Austrian Grand Prix · Grand Prix | Suzuki | — | | DNS |
| 1977 | German Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1977 | Nations Grand Prix · Grand Prix | Suzuki | — | | DNS |
| 1977 | French Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1977 | Dutch TT · Grand Prix | Suzuki | 8 | | Classified |
| 1977 | Belgian Grand Prix · Grand Prix | Suzuki | 23 | | Classified |
| 1977 | Swedish Grand Prix · Grand Prix | Suzuki | 11 | | Classified |
| 1977 | Finnish Grand Prix · Grand Prix | Suzuki | 4 | | Classified |
| 1977 | Czechoslovak Grand Prix · Grand Prix | Suzuki | 3 | | Classified |
| 1977 | British Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1978 | Spanish Grand Prix · Grand Prix | Suzuki | 14 | | Classified |
| 1978 | Austrian Grand Prix · Grand Prix | Suzuki | 6 | | Classified |
| 1978 | Nations Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1978 | Dutch TT · Grand Prix | Suzuki | 6 | | Classified |
| 1978 | Belgian Grand Prix · Grand Prix | Suzuki | 4 | | Classified |
| 1978 | Swedish Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1978 | Finnish Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1978 | British Grand Prix · Grand Prix | Suzuki | 11 | | Classified |
| 1978 | German Grand Prix · Grand Prix | Suzuki | 6 | | Classified |
| 1979 | Venezuelan Grand Prix · Grand Prix | Suzuki | 5 | | Classified |
| 1979 | Spanish Grand Prix · Grand Prix | Suzuki | 9 | | Classified |
| 1979 | Yugoslavian Grand Prix · Grand Prix | Suzuki | 6 | | Classified |
| 1979 | Belgian Grand Prix · Grand Prix | Suzuki | — | | DNS |
| 1979 | French Grand Prix · Grand Prix | Suzuki | 8 | | Classified |
| 1980 | Nations Grand Prix · Grand Prix | Suzuki | — | | DNQ |
| 1980 | Spanish Grand Prix · Grand Prix | Suzuki | 11 | | Classified |
| 1980 | French Grand Prix · Grand Prix | Suzuki | 7 | | Classified |
| 1980 | Dutch TT · Grand Prix | Suzuki | 14 | | Classified |
| 1980 | Belgian Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1980 | Finnish Grand Prix · Grand Prix | Suzuki | 15 | | Classified |
| 1980 | British Grand Prix · Grand Prix | Suzuki | — | | Ret |