Tatsuya Yamaguchi (motorcycle racer)
| Tatsuya Yamaguchi | |
|---|---|
 Yamaguchi at the 2010 San Marino Grand Prix | |
| Nationality |
 Japanese |
| Born |
11 February 1976 Shiki, Japan |
| Current team | TOHO Racing with MORIWAKI |
| Bike number | 104 |
Tatsuya Yamaguchi is a former Grand Prix motorcycle racer from Japan. He currently races in the MFJ All Japan Road Race Championship JSB1000 class for TOHO Racing with MORIWAKI aboard a Honda CBR1000RR. He has also competed in the MFJ All Japan Road Race GP250 Championship, the MFJ All Japan Road Race JSB1000 Championship (where he was champion in 2002), the MFJ All Japan Road Race J-GP2 Championship, and the MFJ All Japan Road Race ST600 Championship, where he was champion in 2010 and 2011.
Career statistics
By season
| Season | Class | Motorcycle | Race | Win | Podium | Pole | FLap | Pts | Plcd |
|---|---|---|---|---|---|---|---|---|---|
| 1999 | 250cc | Honda | 1 | 0 | 0 | 0 | 0 | 10 | 22nd |
| 2010 | Moto2 | Moriwaki | 1 | 0 | 0 | 0 | 0 | 0 | NC |
| Total | 2 | 0 | 0 | 0 | 0 | 10 |