| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1993 | San Marino Grand Prix | Marlboro Team Roberts | Yamaha | 5 | 11 | ||
| 1994 | Italian Grand Prix | Marlboro Team Roberts | Yamaha | 1 | 2 | 20 | |
| 1995 | Italian Grand Prix | Marlboro Team Roberts | Yamaha | 12 | 4 | ||
| 1996 | Italian Grand Prix | Kanemoto Honda | Honda | 3 | 16 | ||
| 1997 | Italian Grand Prix | Red Bull Yamaha WCM | Yamaha | 2 | 20 | ||
| 1999 | Italian Grand Prix | 7 | Team Biland GP1 | MuZ Weber | 6 | 10 | 6 |
| Avg. | 3.5 | 5.7 | 12.8 |