| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1987 | Czechoslovakian Grand Prix | Marlboro Yamaha Team Agostini | Yamaha | 2 | 12 | ||
| 1988 | Czechoslovakian Grand Prix | Marlboro Yamaha Team Agostini | Yamaha | 2 | 17 | ||
| 1989 | Czechoslovakian Grand Prix | Rothmans Kanemoto Honda | Honda | 2 | 17 | ||
| 1990 | Czechoslovakian Grand Prix | Marlboro Team Roberts | Yamaha | 15 | 3 | 0 | |
| 1991 | Czechoslovak Grand Prix | Cagiva Corse | Cagiva | 8 | 8 | ||
| Avg. | 15 | 3.4 | 13.5 |