| 1949 | Dutch TT · Grand Prix | Gilera | 7 | | Classified |
| 1949 | Belgian Grand Prix · Grand Prix | Gilera | — | | Ret |
| 1950 | Belgian Grand Prix · Grand Prix | Gilera | 1 | | Classified |
| 1950 | Dutch TT · Grand Prix | Gilera | 1 | | Classified |
| 1950 | Swiss Grand Prix · Grand Prix | Gilera | 2 | | Classified |
| 1950 | Ulster Grand Prix · Grand Prix | Gilera | 6 | | Classified |
| 1950 | Nations Grand Prix · Grand Prix | Gilera | 2 | | Classified |
| 1951 | Spanish Grand Prix · Grand Prix | Gilera | 1 | | Classified |
| 1951 | Belgian Grand Prix · Grand Prix | Gilera | 9 | | Classified |
| 1951 | Dutch TT · Grand Prix | Gilera | — | | Ret |
| 1951 | French Grand Prix · Grand Prix | Gilera | 4 | | Classified |
| 1951 | Ulster Grand Prix · Grand Prix | Gilera | 3 | | Classified |
| 1951 | Nations Grand Prix · Grand Prix | Gilera | 2 | | Classified |
| 1952 | Swiss Grand Prix · Grand Prix | Gilera | — | | Ret |
| 1952 | Dutch TT · Grand Prix | Gilera | 1 | | Classified |
| 1952 | Belgian Grand Prix · Grand Prix | Gilera | 1 | | Classified |
| 1952 | German Grand Prix · Grand Prix | Gilera | — | | Ret |
| 1952 | Ulster Grand Prix · Grand Prix | Gilera | — | | Ret |
| 1952 | Nations Grand Prix · Grand Prix | Gilera | 2 | | Classified |
| 1952 | Spanish Grand Prix · Grand Prix | Gilera | 2 | | Classified |
| 1953 | Dutch TT · Grand Prix | Gilera | — | | Ret |
| 1954 | Nations Grand Prix · Grand Prix | Gilera | 2 | | Classified |
| 1955 | Spanish Grand Prix · Grand Prix | MV Agusta | 3 | | Classified |
| 1955 | German Grand Prix · Grand Prix | MV Agusta | 4 | | Classified |
| 1955 | Dutch TT · Grand Prix | MV Agusta | 3 | | Classified |
| 1955 | Nations Grand Prix · Grand Prix | MV Agusta | 1 | | Classified |
| 1956 | Isle of Man TT · Grand Prix | MV Agusta | — | | DNS |
| 1956 | Dutch TT · Grand Prix | MV Agusta | — | | Ret |
| 1956 | Belgian Grand Prix · Grand Prix | MV Agusta | 4 | | Classified |
| 1956 | German Grand Prix · Grand Prix | MV Agusta | 2 | | Classified |
| 1956 | Nations Grand Prix · Grand Prix | MV Agusta | — | | Ret |
| 1957 | German Grand Prix · Grand Prix | MV Agusta | — | | Ret |
| 1957 | Dutch TT · Grand Prix | MV Agusta | — | | Ret |
| 1957 | Nations Grand Prix · Grand Prix | MV Agusta | 5 | | Classified |
| 1958 | Nations Grand Prix † · Grand Prix | MV Agusta | 3 | | Classified |