Info
| Last name | Yamamoto |
| First name | Idomu |
| Nationality |  Japan |
| Date of birth | 03-02-1992 |
| Age | 33 |
| Date | Rank | Race |
|---|---|---|
| 09-12 | 35 | Japanese National Championships (CN) |
| 18-11 | 28 | Rapha Supercross Nobeyama -Day 2 (C1) |
| 17-11 | 40 | Rapha Supercross Nobeyama -Day 1 (C2) |
| 10-11 | 29 | Starlight-cross (C2) |