All available race results Yoshima Oshima
| Date | Race | Rank |
| National Championship Japan | 1 |
Rider information for 1955
| Rank | 1857 |
| Score | 0 |
| Name | Yoshima OSHIMA |
| Country | Japan |
| Team | Individual |
| Date | Race | Rank |
| National Championship Japan | 1 |
| Rank | 1857 |
| Score | 0 |
| Name | Yoshima OSHIMA |
| Country | Japan |
| Team | Individual |