| Year | Grand Prix | Circuit | Qualifying Position | Finish Position | Team | Manufacturer | Points |
|---|---|---|---|---|---|---|---|
| 1971 | Dutch TT | Assen |
Ret
|
Kawasaki | |||
| 1971 | Belgian Grand Prix | Spa-Francorchamps |
9
|
Kawasaki | 2 | ||
| 1971 | East German Grand Prix | Sachsenring |
Ret
|
Kawasaki | |||
| 1971 | Nations Grand Prix | Monza |
8
|
Kawasaki | 3 | ||
| 1972 | Dutch TT | Assen |
Ret
|
Kawasaki | |||
| 1972 | Belgian Grand Prix | Spa-Francorchamps |
13
|
Kawasaki | |||
| 1972 | East German Grand Prix | Sachsenring |
8
|
Kawasaki | 3 | ||
| 1972 | Spanish Grand Prix | Montjuïc |
7
|
Kawasaki | 4 | ||
| 1975 | Dutch TT | Assen |
10
|
Yamaha | 1 | ||
| 1976 | Dutch TT | Assen |
11
|
Yamaha | |||
| 1977 | Dutch TT | Assen |
18
|
Yamaha | |||
| 1978 | Dutch TT | Assen |
Ret
|
RSS Racing Team | |||
| 1979 | Dutch TT | Assen |
Ret
|
Yamaha |