| 1 | 1993 | British Grand Prix | 7 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 2 | 1 |
| 2 | 1993 | Czech Republic Grand Prix | 7 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 4 | 2 |
| 3 | 1993 | Italian Grand Prix | 7 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 1 | 1 |
| 4 | 1993 | United States Grand Prix | 7 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 5 | 3 |
| 5 | 1994 | Australian Grand Prix | 5 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 2 | 2 |
| 6 | 1994 | Italian Grand Prix | 5 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 1 | 2 |
| 7 | 1994 | British Grand Prix | 5 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 3 | 3 |
| 8 | 1994 | Czech Republic Grand Prix | 5 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 1 | 3 |
| 9 | 1994 | United States Grand Prix | 5 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 3 | 1 |
| 10 | 1994 | European Grand Prix | 5 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 1 | 1 |
| 11 | 1995 | Spanish Grand Prix | 2 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 3 | 2 |
| 12 | 1995 | German Grand Prix | 2 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 2 | 2 |
| 13 | 1995 | French Grand Prix | 2 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 9 | 2 |
| 14 | 1995 | Czech Republic Grand Prix | 2 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 1 | 1 |
| 15 | 1995 | Brazilian Grand Prix | 2 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 2 | 1 |
| 16 | 1995 | Argentinian Grand Prix | 2 | Marlboro Team Roberts | Yamaha YZR | Yamaha V4 | 1 | 3 |
| 17 | 1996 | Malaysian Grand Prix | 3 | Kanemoto Honda | Honda NSR | Honda V4 | 2 | 1 |
| 18 | 1996 | Spanish Grand Prix | 3 | Kanemoto Honda | Honda NSR | Honda V4 | 6 | 2 |
| 19 | 1996 | Italian Grand Prix | 3 | Kanemoto Honda | Honda NSR | Honda V4 | 6 | 3 |
| 20 | 1996 | German Grand Prix | 3 | Kanemoto Honda | Honda NSR | Honda V4 | 6 | 1 |
| 21 | 1997 | Italian Grand Prix Polini | 3 | Yamaha Promotor Racing | Yamaha YZR | Yamaha V4 | 7 | 2 |
| 22 | 1997 | Austrian Grand Prix | 3 | Yamaha Promotor Racing | Yamaha YZR | Yamaha V4 | 5 | 3 |
| 23 | 1997 | Lucky Strike Rio Grand Prix | 3 | Red Bull Yamaha WCM | Yamaha YZR | Yamaha V4 | 2 | 3 |
| 24 | 1997 | Grand Prix Ceske Republiky | 3 | Yamaha Promotor Racing | Yamaha YZR | Yamaha V4 | 2 | 2 |
