| 1966 | West German Grand Prix · Grand Prix | Norton | — | | Ret |
| 1966 | Dutch TT · Grand Prix | Norton | 10 | | Classified |
| 1966 | Belgian Grand Prix · Grand Prix | Norton | — | | Ret |
| 1966 | East German Grand Prix · Grand Prix | Norton | — | | Ret |
| 1966 | Finnish Grand Prix · Grand Prix | Norton | — | | Ret |
| 1966 | Ulster Grand Prix · Grand Prix | Norton | 13 | | Classified |
| 1966 | Isle of Man TT · Grand Prix | Norton | 11 | | Classified |
| 1966 | Nations Grand Prix · Grand Prix | Norton | — | | Ret |
| 1967 | West German Grand Prix · Grand Prix | | — | | Ret |
| 1967 | Isle of Man TT · Grand Prix | | — | | Ret |
| 1967 | Dutch TT · Grand Prix | | 8 | | Classified |
| 1967 | Belgian Grand Prix · Grand Prix | | — | | Ret |
| 1967 | East German Grand Prix · Grand Prix | | — | | Ret |
| 1967 | Czechoslovak Grand Prix · Grand Prix | | 9 | | Classified |
| 1967 | Finnish Grand Prix · Grand Prix | | — | | Ret |
| 1967 | Ulster Grand Prix · Grand Prix | | 14 | | Classified |
| 1967 | Nations Grand Prix · Grand Prix | | — | | Ret |
| 1968 | German Grand Prix · Grand Prix | Norton | — | | Ret |
| 1968 | Isle of Man TT · Grand Prix | Norton | 6 | | Classified |
| 1968 | Dutch TT · Grand Prix | Norton | 5 | | Classified |
| 1968 | Belgian Grand Prix · Grand Prix | Norton | 5 | | Classified |
| 1968 | East German Grand Prix · Grand Prix | Norton | — | | Ret |
| 1968 | Czechoslovak Grand Prix · Grand Prix | Norton | — | | Ret |
| 1968 | Finnish Grand Prix · Grand Prix | Norton | 8 | | Classified |
| 1968 | Ulster Grand Prix · Grand Prix | Norton | 6 | | Classified |
| 1968 | Nations Grand Prix · Grand Prix | Norton | 6 | | Classified |
| 1969 | Spanish Grand Prix · Grand Prix | Aermacchi | — | | Ret |
| 1969 | West German Grand Prix · Grand Prix | Aermacchi | 8 | | Classified |
| 1969 | French Grand Prix · Grand Prix | Aermacchi | — | | Ret |
| 1969 | Isle of Man TT · Grand Prix | Aermacchi | — | | Ret |
| 1969 | Belgian Grand Prix · Grand Prix | Aermacchi | — | | Ret |