| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1972 | Dutch TT | Yamaha | 3 | 10 | |||
| 1978 | Dutch TT | RSS Racing Team | Ret | 0 | |||
| 1987 | Dutch TT | Honda | 21 | 0 | |||
| 1988 | Dutch TT | Romer Racing Suisse | Honda | 17 | 0 | ||
| 1989 | Dutch TT | Romer Racing Suisse | Honda | 23 | 16 | 0 | |
| Avg. | 23 | 14.3 | 10 |