| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1983 | German Grand Prix | Marlboro Agostini Yamaha | Yamaha | 9 | 2 | ||
| 1985 | German Grand Prix | Marlboro Team Agostini | Yamaha | 4 | 8 | ||
| 1987 | German Grand Prix | Marlboro Yamaha Team Agostini | Yamaha | 1 | 15 | ||
| 1989 | German Grand Prix | Rothmans Kanemoto Honda | Honda | 3 | 2 | 17 | |
| 1991 | German Grand Prix | Cagiva Corse | Cagiva | 3 | 4 | 13 | |
| 1992 | German Grand Prix | Cagiva Team Agostini | Cagiva | 6 | 6 | ||
| Avg. | 3 | 4.3 | 10.2 |