Outgoing
| Rider | Team 2017 |
|---|---|
 Kazuya Hamada | Retired |
| Kazuo Inoue | Retired |
| Nobuhiro Kawabata | Retired |
 Thomas Lebas | |
| Hiroki Murakawa | Retired |
| Hiroshi Tsubaki | |
| Kohei Uchima |  |
| Naoaki Yamada | Retired |
| Rider | Team 2017 |
|---|---|
| Kazuya Hamada | Retired |
| Kazuo Inoue | Retired |
| Nobuhiro Kawabata | Retired |
| Thomas Lebas | |
| Hiroki Murakawa | Retired |
| Hiroshi Tsubaki | |
| Kohei Uchima | |
| Naoaki Yamada | Retired |