MFJ 125GP
| 2010 | Hikari Ohkubo |
| 2009 | Hiroyuki Kikuchi |
| 2008 | Hiroyuki Kikuchi |
| 2007 | Hiro’omi Iwata |
| 2006 | Taka’aki Nakagami |
| 2005 | Hiroyuki Kikuchi |
| 2004 | Hideyuki Nakajoh |
| 2003 | Shuhei Aoyama |
| 2002 | Hideyuki Nakajoh |
| 2001 | Hideyuki Nakajoh |
| 2000 | Tomoyoshi Koyama |
| 1999 | Hideyuki Nakajoh |
| 1998 | Hideyuki Nakajoh |
| 1997 | Takashi Akita |
| 1996 | Masao Azuma |
| 1995 | Yoichi Ui |
| 1994 | Ken Miyasaka |
| 1993 | Yoshiaki Katoh |
| 1992 | Akira Saitoh |
| 1991 | Masafumi Ono |
| 1990 | Kazuto Sakata |
| 1989 | Fuyuki Yamazaki |
| 1988 | Masayuki Hirose |
| 1987 | Hisashi Unemoto |
| 1986 | Ken’ichi Yoshida |
| 1985 | Hisashi Unemoto |
| 1984 | Jiroh Kuriya |
| 1983 | Jiroh Kuriya |
| 1982 | Noriaki Ichinose |
| 1981 | Noriaki Ichinose |
| 1980 | Noriaki Ichinose |
| 1979 | Mitsuo Saitoh |
| 1978 | Koji Ueda |
| 1977 | Koji Ueda |
| 1976 | |
| 1975 | Tadashi Ezaki |
| 1974 | Tatsumi Aoki |
| 1973 | Shinji Sumiya |
| 1972 | Yutaka Oda |
| 1971 | Izumi Sugimoto |
| 1970 | Yutaka Oda |
| 1969 | Morio Sumiya |
| 1968 | Tadao Baba |
| 1967 | Tsunehiro Masuda |
All-time Race Wins
| Hideyuki Nakajoh | 23 |
| Hiroyuki Kikuchi | 22 |
| Masao Azuma | 7 |
| Takaaki Nakagami | 6 |
| Yuzo Fujioka | 5 |
| Yuki Takahashi | 5 |
| Toshihisa Kuzuhara | 4 |
| Kazuhiro Takao | 4 |
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All-time Race Wins
- No data (1967-1994)
All-time Pole Positions
| Hideyuki Nakajoh | 17 |
| Hiroyuki Kikuchi | 14 |
| Yuzo Fujioka | 11 |
| Toshio Ite | 7 |
| Takehiro Yamamoto | 6 |
| Yuki Takahashi | 5 |
| Masaki Tokudome | 5 |
| Tomoyoshi Koyama | 4 |
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All-time Pole Positions
- No data (1967-1994)
