| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Yuji•Yaku |
| Used name | Yuji•Yaku |
| Original name | 夜久•雄爾 |
| Born | 3 January 1961 in Fujioka, Gunma (JPN) |
| Measurements | 173 cm / 80 kg |
| Affiliations | Ota City Sport Promotion |
| NOC | Japan |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1984 Winter Olympics | Bobsleigh (Bobsleigh) | JPN |
Yuji Yaku | |||
| Two, Men (Olympic) | Hiroshi Okachi | 20 | ||||
| Four, Men (Olympic) | Japan | 24 | ||||
| 1988 Winter Olympics | Bobsleigh (Bobsleigh) | JPN |
Yuji Yaku | |||
| Two, Men (Olympic) | Toshio Wakita | =20 | ||||
| Four, Men (Olympic) | Japan | 18 |