| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1972 | Dutch TT | Riemanoc / Yamaha | Ret | 0 | |||
| 1975 | Dutch TT | Yamaha | Ret | 0 | |||
| 1976 | Dutch TT | 31 | Riemersma Racing | Suzuki | 3 | 10 | |
| 1977 | Dutch TT | 30 | Riemersma Racing | Suzuki | 1 | 15 | |
| 1978 | Dutch TT | Riemersma Racing | 5 | 6 | |||
| 1979 | Dutch TT | Riemersma Racing | Suzuki | 3 | 10 | ||
| 1980 | Dutch TT | Riemersma Racing | 19 | 0 | |||
| Avg. | 0 | 6.2 | 10.3 |