| 1967 | Isle of Man TT · Grand Prix | Matchless | 24 | | Classified |
| 1967 | East German Grand Prix · Grand Prix | Matchless | 13 | | Classified |
| 1967 | Finnish Grand Prix · Grand Prix | Matchless | 8 | | Classified |
| 1968 | German Grand Prix · Grand Prix | Matchless | 15 | | Classified |
| 1968 | Isle of Man TT · Grand Prix | Matchless | 10 | | Classified |
| 1968 | Dutch TT · Grand Prix | Matchless | — | | Ret |
| 1968 | East German Grand Prix · Grand Prix | Matchless | 8 | | Classified |
| 1968 | Czechoslovak Grand Prix · Grand Prix | Matchless | — | | Ret |
| 1968 | Finnish Grand Prix · Grand Prix | Matchless | — | | Ret |
| 1969 | Spanish Grand Prix · Grand Prix | Linto | — | | Ret |
| 1969 | French Grand Prix · Grand Prix | Linto | — | | Ret |
| 1969 | Dutch TT · Grand Prix | Linto | 11 | | Classified |
| 1969 | East German Grand Prix · Grand Prix | Linto | — | | Ret |
| 1969 | Finnish Grand Prix · Grand Prix | Linto | — | | Ret |
| 1969 | Nations Grand Prix · Grand Prix | Linto | — | | Ret |
| 1969 | Yugoslavian Grand Prix · Grand Prix | Linto | 5 | | Classified |
| 1971 | Austrian Grand Prix · Grand Prix | Coleman-Suzuki | 2 | | Classified |
| 1971 | West German Grand Prix · Grand Prix | Coleman-Suzuki | — | | Ret |
| 1971 | Isle of Man TT · Grand Prix | Coleman-Suzuki | 7 | | Classified |
| 1971 | Dutch TT · Grand Prix | Coleman-Suzuki | 4 | | Classified |
| 1971 | Belgian Grand Prix · Grand Prix | Coleman-Suzuki | — | | Ret |
| 1971 | East German Grand Prix · Grand Prix | Coleman-Suzuki | 2 | | Classified |
| 1971 | Swedish Grand Prix · Grand Prix | Coleman-Suzuki | 2 | | Classified |
| 1971 | Finnish Grand Prix · Grand Prix | Coleman-Suzuki | 4 | | Classified |
| 1971 | Ulster Grand Prix · Grand Prix | Coleman-Suzuki | — | | Ret |
| 1971 | Nations Grand Prix · Grand Prix | Coleman-Suzuki | 6 | | Classified |
| 1971 | Spanish Grand Prix · Grand Prix | Coleman-Suzuki | 5 | | Classified |
| 1972 | German Grand Prix · Grand Prix | Suzuki | 13 | | Classified |
| 1972 | French Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1972 | Nations Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1972 | Yugoslavian Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1972 | Dutch TT · Grand Prix | Suzuki | — | | Ret |
| 1972 | Belgian Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1972 | Grand Prix of the DRG · Grand Prix | Suzuki | — | | Ret |
| 1972 | Czechoslovak Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1972 | Swedish Grand Prix · Grand Prix | Suzuki | — | | Ret |
| 1972 | Finnish Grand Prix · Grand Prix | Suzuki | — | | Ret |