| Year | Grand Prix | Circuit | Qualifying Position | Finish Position | Team | Manufacturer | Points |
|---|---|---|---|---|---|---|---|
| 1993 | Australian Grand Prix | Eastern Creek | 15 |
14
|
Team Udagawa | ROC Yamaha | 2 |
| 1993 | Malaysian Grand Prix | Shah Alam | 29 |
Ret
|
Team Udagawa | ROC Yamaha | |
| 1993 | Japanese Grand Prix | Suzuka | 11 |
14
|
Team Udagawa | ROC Yamaha | 2 |
| 1993 | Spanish Grand Prix | Jerez | 15 |
10
|
Team Udagawa | ROC Yamaha | 6 |
| 1993 | Austrian Grand Prix | Salzburgring |
15
|
Team Udagawa | ROC Yamaha | 1 | |
| 1993 | German Grand Prix | Hockenheimring |
11
|
Team Udagawa | ROC Yamaha | 5 | |
| 1993 | Dutch TT | Assen |
14
|
Team Udagawa | ROC Yamaha | 2 | |
| 1993 | European Grand Prix | Catalunya |
Ret
|
Team Udagawa | ROC Yamaha | ||
| 1993 | San Marino Grand Prix | Mugello |
Ret
|
Team Udagawa | ROC Yamaha | ||
| 1993 | Czech Republic Grand Prix | Brno |
DNS
|
Team Udagawa | ROC Yamaha | ||
| 1993 | Italian Grand Prix | Misano |
23
|
Team Udagawa | ROC Yamaha | ||
| 1993 | United States Grand Prix | Laguna Seca |
17
|
Team Udagawa | ROC Yamaha | ||
| 1993 | FIM Grand Prix | Jarama | 14 |
Ret
|
Team Udagawa | ROC Yamaha |