SEQ | Year | Event | № Car | Team | Car | Engine | Grid pos | Result |
---|---|---|---|---|---|---|---|---|
1 | 1989 | United States Grand Prix | 3 | Team Lucky Strike Roberts | Yamaha YZR | Yamaha | 1 | 1 |
2 | 1990 | United States Grand Prix | 2 | Marlboro Team Roberts | Yamaha YZR | Yamaha | 2 | 1 |
3 | 1991 | United States Grand Prix | 1 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 1 | 1 |