| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 1987 | Japanese Grand Prix | Yamaha Roberts | Yamaha | Ret | 0 | ||
| 1988 | Japanese Grand Prix | Team Lucky Strike Roberts | Yamaha | 7 | 9 | ||
| 1989 | Japanese Grand Prix | Team Lucky Strike Roberts | Yamaha | 5 | 5 | 11 | |
| 1990 | Japanese Grand Prix | 4 | Lucky Strike Suzuki | Suzuki | 7 | 4 | 0 |
| 1991 | Japanese Grand Prix | Team Roberts | Suzuki | 13 | 3 | ||
| 1993 | Japanese Grand Prix | 88 | Nihontelecom Racing Team | Yamaha | 7 | 9 | 7 |
| Avg. | 6.3 | 7.6 | 7.5 |