Japan Formula 4

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Japan F4
Category Single seaters
Country Japan Japan
Inaugural season 1993
Tyre suppliers Yokohama (2008-2011)
Dunlop (2012-present)
Drivers' champion West: Japan Nirei Fukuzumi
East: Japan Yuichi Mikasa
Official website Formula 4

The Japan Formula 4 is a formula racing class in Japan. The class was founded in 1993 by the Japan Automobile Federation as a class between the FJ1600 and the All-Japan Formula Three Championship.


The Japanese Formula 4 is an open chassis class, open for all chassis manufacturers. Since 2012 the engines have a maximum capacity of 2,000cc. Currently the cars are allowed to be fitted with a Honda K20A, Toyota 3ZR or Nissan SR20 engine. Since 2010 the cars use a monocoque chassis in stead of a tube frame. In the first year of the monocoque chassis most cars were West Racing Cars. Later came more cars built by Tokyo R&D, Mooncraft and ZAP. Starting in 2015 the Japanese Formula 4 will adapt the regulations of the FIA Formula 4.[1]


Season East Champion West Champion
1997 Japan Akihiro Asai
1998 Japan Takeyuki Kishi
1999 Japan Keita Sawa
2000 Japan Issei Nishio Japan Hideaki Nakao
2002 Japan Tetuya Fujisawa
2003 Japan Kei Itaka
2004 Japan Masanobu Katou Japan Koudai Tsukakoshi
2005 Japan Aki Okada
2006 Japan Muneyuki Kurifu
2007 Japan Kei Itaka
2008 Japan Yusuke Tsuchiya Japan Shota Hanaoka
2009 Japan Tsubasa Kondo Japan Shota Hanaoka
2010 Japan Makoto Kanai Japan Naoki Nishimoto
2011 Japan Yuhi Sekiguchi Japan Ryo Hirakawa
2012 Japan Ryousuke Takehira Japan Kosuke Hattori
2013 Japan Kenta Yamashita Japan Nobuo Kubo
2014 Japan Yuichi Mikasa Japan Nirei Fukuzumi


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