| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1993 | Japanese Grand Prix | 20 | Rallye Sport | Yamaha | 20 | Ret | 0 |
| 1994 | Japanese Grand Prix | Millar Racing | Yamaha | 13 | 3 | ||
| 1995 | Japanese Grand Prix | Millar Racing | Yamaha | Ret | 0 | ||
| 1996 | Japanese Grand Prix | QUB Team Optimum | ROC Yamaha | 13 | 3 | ||
| 2000 | Japanese Grand Prix | 99 | Aprilia Grand Prix Racing | Aprilia | 5 | 8 | 8 |
| 2002 | Japanese Grand Prix | 99 | Proton Team KR | Proton KR | 21 | Ret | 0 |
| 2003 | Japanese Grand Prix | 99 | Proton Team KR | Proton KR | 24 | Ret | 0 |
| Avg. | 17.5 | 11.3 | 4.7 |
