| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1961 | Dutch TT | Norton | 4 | 3 | |||
| 1962 | Dutch TT | Norton | 3 | 4 | |||
| 1963 | Dutch TT | Gilera | 2 | 6 | |||
| 1964 | Dutch TT | Matchless / Norton | 6 | 1 | |||
| 1973 | Dutch TT | MV Agusta | 1 | 15 | |||
| 1975 | Dutch TT | MV Agusta | MV Agusta | 3 | 10 | ||
| 1976 | Dutch TT | 2 | Team Life International | Suzuki | Ret | 0 | |
| Avg. | 0 | 3.2 | 6.5 |