| Date | Track | Series / Event | Pos | Car |
| 1993 |
| 1993/03/28 | Eastern Creek (AUS) | World 250ccm Championship | 1 | Yamaha |
| 1993/04/18 | Suzuka (JAP) | World 250ccm Championship | 1 | Yamaha |
| 1993/05/02 | Jerez (ESP) | World 250ccm Championship | 1 | Yamaha |
| 1993/09/26 | Jarama (ESP) | World 250ccm Championship | 1 | Yamaha |
| 1996 |
| 1996/04/07 | Sentul (IND) | World 250ccm Championship | 1 | Yamaha |
| 1997 |
| 1997/06/08 | Le Castellet (FRA) | World 250ccm Championship | 1 | Aprilia |
| 1997/06/28 | Assen (NLD) | World 250ccm Championship
Dutch 250ccm TT | 1 | Aprilia |
| 1997/07/20 | Nürburgring, RP (DEU) | World 250ccm Championship | 1 | Aprilia |
| 1998 |
| 1998/04/19 | Johor (MAL) | World 250ccm Championship | 1 | Aprilia |
| 1998/05/31 | Le Castellet (FRA) | World 250ccm Championship | 1 | Aprilia |
| 1998/06/14 | Jarama (ESP) | World 250ccm Championship | 1 | Aprilia |
| 1998/07/19 | Sachsenring, SN (DEU) | World 250ccm Championship | 1 | Aprilia |
| 1998/08/23 | Brno (CZE) | World 250ccm Championship | 1 | Aprilia |
| 2001 |
| 2001/06/03 | Mugello (ITA) | World 250ccm Championship | 1 | Aprilia |
| 2001/08/26 | Brno (CZE) | World 250ccm Championship | 1 | Aprilia |
| 2001/10/07 | Motegi (JAP) | World 250ccm Championship | 1 | Aprilia |
