| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1987 | Japanese Grand Prix | Team ROC Elf Honda | Honda | 5 | 6 | ||
| 1988 | Japanese Grand Prix | Team ROC Elf Honda | Elf Honda | 12 | 4 | ||
| 1989 | Japanese Grand Prix | Suzuki Pepsi Cola | Suzuki | 13 | 12 | 4 | |
| 1990 | Japanese Grand Prix | 8 | Cagiva Corse | Cagiva | Ret | 23 | |
| Avg. | 13 | 9.7 | 9.3 |