| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1998 | Japanese Grand Prix | 18 | Shell Advance Racing | Honda | 18 | Ret | 0 |
| 2000 | Japanese Grand Prix | 24 | Red Bull Yamaha WCM | Yamaha | 11 | 9 | 7 |
| 2001 | Japanese Grand Prix | 5 | Red Bull Yamaha WCM | Yamaha | 4 | 2 | 20 |
| 2002 | Japanese Grand Prix | 8 | Red Bull Yamaha WCM | Yamaha | 17 | Ret | 0 |
| 2003 | Japanese Grand Prix | 8 | Kawasaki Racing Team | Kawasaki | 20 | 16 | 0 |
| Avg. | 14 | 9 | 13.5 |
