| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1986 | San Marino Grand Prix | Skoal Bandit Heron Suzuki | Suzuki | 8 | 3 | ||
| 1987 | San Marino Grand Prix | Team HRC | Honda | 7 | 4 | ||
| 1989 | Nations Grand Prix | Marlboro Yamaha Team Agostini | Yamaha | 6 | Ret | 0 | |
| 1990 | Nations Grand Prix | Lucky Strike Suzuki | Suzuki | 11 | 5 | 0 | |
| 1993 | Italian Grand Prix | Valvoline Team WCM | ROC Yamaha | 9 | 7 | ||
| Avg. | 8.5 | 7.3 | 4.7 |
