Most racedays with other riders
Riders sorted by the number of times they started in the same race as Kazuhiro Yamamoto.
| # | Rider | Number of races |
|---|---|---|
| 1 | HIRATSUKA Yoshimitsu | 9 |
| 2 | YOSHIDA Hayato | 9 |
| 3 | HATANAKA Yusuke | 8 |
| 4 | SUZUKI Shinri | 8 |
| 5 | SHIMIZU Miyataka | 8 |
| 6 | NONAKA Ryoma | 8 |
| 7 | OBA Masatoshi | 8 |
| 8 | ABE Takayuki | 8 |
| 9 | FUKUHARA Masaru | 8 |
| 10 | IRIBE Shotaro | 8 |
| 11 | NISHITANI Taiji | 7 |
| 12 | UCHIMA Kohei | 7 |
| 13 | DOI Yukihiro | 7 |
| 14 | MONIER Damien | 6 |
| 15 | MORIMOTO Makoto | 6 |
| 16 | YASUHARA Daiki | 6 |
| 17 | INOUE Kazuo | 6 |
| 18 | OKUBO Jin | 6 |
| 19 | KANO Tomoya | 6 |
| 20 | ITAMI Kenji | 6 |
| 21 | LEBAS Thomas | 6 |
| 22 | HORI Takaaki | 6 |
| 23 | MORI Kazuhiro | 6 |
| 24 | TORIBIO José Vicente | 6 |
| 25 | NAKANE Hideto | 6 |
| 26 | LOW Ji Wen | 6 |
| 27 | RABOU Thomas | 6 |
| 28 | FUKUDA Shinpei | 6 |
| 29 | HIRAI Eiichi | 5 |
| 30 | KUBOKI Kazushige | 5 |
| 31 | WADA Chikara | 5 |
| 32 | NAKAJIMA Yasuharu | 5 |
| 33 | KIMURA Keisuke | 5 |
| 34 | ENDO Sekiho | 5 |
| 35 | YAMASHITA Takahiro | 5 |
| 36 | CRAWFORD Jai | 5 |
| 37 | HATSUYAMA Sho | 5 |
| 38 | SUZUKI Yuzuru | 5 |
| 39 | WIESIAK Mariusz | 4 |
| 40 | IINO Tomoyuki | 4 |
| 41 | GOH Choon Huat | 4 |
| 42 | YAMAMOTO Shun | 4 |
| 43 | TERASAKI Takero | 4 |
| 44 | ITO Masakazu | 4 |
| 45 | HIGUMA Yusuke | 4 |
| 46 | IKEBE Sota | 4 |
| 47 | AYABE Takeaki | 4 |
| 48 | FUKUSHIMA Shinichi | 4 |
| 49 | SHEPPARD Eric | 4 |
| 50 | KUROEDA Shiki | 4 |