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All Japan Road Race Championship

Motorcycle road racing championship

All Japan Road Race Championship

Summary

Motorcycle road racing championship

FieldValue
logoMFJ Superbike Logo.png
pixels200px
categoryMotorcycle sport
countryJapan
inaugural1967
tyresDunlop, Bridgestone, Pirelli
champion riderJPN Katsuyuki Nakasuga (JSB1000)
JPN Taiga Hada (ST1000)
JPN Yuta Date (ST600)
JPN Hiroki Ono (J-GP3)
current_seasonAll Japan Road Race Championship
websiteOfficial website

JPN Taiga Hada (ST1000) JPN Yuta Date (ST600) JPN Hiroki Ono (J-GP3)

The All Japan Road Race Championship is the premiere motorcycle road racing championship in Japan. It is run by the Motorcycle Federation of Japan (MFJ) (日本モーターサイクルスポーツ協会) – the Japanese affiliate of the FIM.

History

The MFJ was formed in 1961 and held its first motorcycle road race in 1967.

The Championship's premiere class for a number of years had been the 500cc class but it was replaced by a superbike class in 1994. During the 2002 season the championship was used by some manufacturers to test their MotoGP prototypes. The prototypes usually won the races but were not eligible for points. The series now runs a small seven round schedule but has a large field of Japanese riders and bikes. Similar to Spain's CEV championship, Moto3 motorcycles are used in Japan.

Current classes

JSB1000

The motorcycles used are primarily based on 1000cc commercial road sport models, modified into full race-spec machines. Since the 2023 season, the class has been using the carbon-neutral racing fuel ETS Renewa Blaze NIHON R100. The manufacturers usually involved are Honda, Kawasaki, Suzuki, Yamaha, Aprilia, BMW and Ducati. They use specs similar to those used in the Endurance World Championship, the top category of the Suzuka 8 Hours endurance race and the Superbike World Championship.

Tyre suppliers vary from Dunlop to Bridgestone.

ST1000

Like in the JSB1000, the motorcycles are based on commercially available road sport models with 1000cc engines, but the range of modifications allowed for racing is extremely limited, making them much closer to stock. The manufacturers involved are the same ones from JSB1000. The machines align with the SST class regulations used in the Suzuka 8 Hours endurance race, which is part of the Endurance World Championship.

All teams use series-specified Dunlop tyres.

ST600

The motorcycles used are primarily based on 600cc commercial road sport models. Like in ST1000, the range of modifications allowed for racing use is very limited. Honda and Yamaha are the main manufacturers in the class.

All teams use series-specified Bridgestone tyres.

J-GP3

The motorcycles used are prototype-based machines, the Honda NSF250R and KTM RC250R. The machines conform to the specifications of the Moto3™ class in the MotoGP™ World Championship.

Tyre suppliers vary from Dunlop, Bridgestone and Pirelli.

[[Katsuyuki Nakasuga]] holds the most JSB1000 titles in the history of the All Japan Road Race Championship, with 13 championships as of 2025.

Champions

Year50 cm390 cm3125 cm3250 cm3over 250 cm3196719681969197019711972Year125 cm3250 cm3350 cm3500 cm3750 cm3197319741975197619771978197919801981Year125 cm3250 cm3500 cm3TT-F1TT-F3198219831984198519861987198819891990199119921993Year125 cm3250 cm3SuperbikeS-NKSuperstock 60019941995199619971998199920002001Year125 cm3250 cm3SuperbikeJSB/S-NKSuperstock 6002002Year125 cm3250 cm3JSB1000GP-MonoSuperstock 6002003200420052006200720082009YearJ-GP3J-GP2JSB1000GP-MonoSuperstock 6002010201120122013201420152016201720182019YearJ-GP3 (Moto3)Superstock 1000JSB1000 (Superbike)Superstock 600202020212022202320242025Sources:
Mitsuo ItohYasunori ShigenoTsunehiro MasudaKeiji YanoTakashi Matsunaga
Yoshiaki KamiyaTadao BabaMasahiro WadaTakashi Matsunaga
Yutaka OdaMorio SumiyaHideo KanayaMorio Sumiya
Eiji KondohYutaka OdaToshio OhwakiHiroyuki Kawasaki
Hideo KanayaIzumi SugimotoToshio OhwakiHideo Kanaya
Yutaka Oda
Shinji SumiyaKen Nemoto
Tatsumi AokiIkujiro Takaï
Tadashi EzakiTadao Asami
Yoshikazu MouriJunzoh SatohIkujiro Takaï
Hiroyuki IidaOsamu SuzukiYoshikazu Mouri
Koji UedaKoji UedaIwao IshikawaShin'ichi Ueno
Mitsuo SaitohKeiji KinoshitaMasaru Mizutani
Noriaki IchinoseTadahiko TairaOsamu Suzuki
Noriaki IchinoseYasuaki FujimotoKeiji Kinoshita
Noriaki IchinoseTeruo FukudaMasaru Mizutani
Jiroh Kuriya (Honda)Mitsuo Saito (Yamaha)Tadahiko Taira (Yamaha)
Jiroh Kuriya (Honda)Masaru Kobayashi (Honda)Tadahiko Taira (Yamaha)Shunji Yatusushiro (Honda)Tadashi Ezaki (Yamaha)
Hisashi Unemoto (Honda)Masaru Kobayashi (Honda)Tadahiko Taira (Yamaha)Satoshi Tsujimoto (Suzuki)Yoichi Yamamoto (Honda)
Kenichi Yoshida (Honda)Shinji Katayama (Yamaha)Keiji Kinoshita (Honda)Satoshi Tsujimoto (Suzuki)Yoichi Yamamoto
Hisashi Unemoto (Honda)Masahiro Shimizu (Honda)Norihiko Fujiwara (Yamaha)Yukiya Ohshima (Suzuki)Masumitsu Taguchi
Masayuki Hirose (Honda)Toshihiko Honma (Yamaha)Norihiko Fujiwara (Yamaha)Shoji Miyazaki (Honda)Toshinobu Shiomori (Yamaha)
Fuyuki Yamazaki (Honda)Tadayuki Okada (Honda)Norihiko Fujiwara (Yamaha)US Doug Polen (Suzuki)US Doug Polen (Suzuki)
Kazuto Sakata (Honda)Tadayuki Okada (Honda)Shinichi Ito (Honda)Ken'ichiro Iwahashi (Honda)Ryuji Tsuruta (Kawasaki)
Masafumi Ono (Honda)Tadayuki Okada (Honda)AUS Peter Goddard (Yamaha)Shoji Miyazaki (Honda)nowrapKatsuyoshi Takahashi (Yamaha)
Akira Saito (Honda)Tetsuya Harada (Yamaha)AUS Daryl Beattie (Honda)nowrapShoichi Tsukamoto (Kawasaki)
Yoshiaki Katoh (Yamaha)Tohru Ukawa (Honda)Norick Abe (Honda)Keiichi Kitagawa (Kawasaki)
Ken Miyasaka (Honda)Tohru Ukawa (Honda)Wataru Yoshikawa (Yamaha)
Youichi Ui (Yamaha)Noriyasu Numata (Suzuki)Takuma Aoki (Honda)
Masao Azuma (Honda)Noriyasu Numata (Suzuki)Takuma Aoki (Honda)
Takashi Akita (Yamaha)Daijiro Kato (Honda)Noriyuki Haga (Yamaha)
Hideyuki Nakajoh (Honda)Shinya Nakano (Yamaha)Shinichi Ito (Honda)
Hideyuki Nakajoh (Honda)Naoki Matsudo (Yamaha)Wataru Yoshikawa (Yamaha)Manabu Kamada (Suzuki)
Tomoyoshi Koyama (Yamaha)Shinichi Nakatomi (Honda)Hitoyasu Izutsu (Kawasaki)Ryuji Tsuruta (Kawasaki)
Hideyuki Nakajoh (Honda)Taro Sekiguchi (Yamaha)Akira Ryo (Suzuki)Keiichi Kitagawa (Suzuki)Yuichi Takeda (Honda)
Hideyuki Nakajoh (Honda)Tekkyu Kayoh (Yamaha)Atsushi Watanabe (Suzuki)Tatsuya Yamaguchi (Honda)Ryuichi Kiyonari (Honda)
Shuhei Aoyama (Honda)Hiroshi Aoyama (Honda)Keiichi Kitagawa (Suzuki)Yoshiteru Konishi (Honda)
Hideyuki Nakajoh (Honda)Yuki Takahashi (Honda)Hitoyasu Izutsu (Honda)Takeshi Tsujimura (Honda)
Hiroyuki Kikuchi (Honda)Shuhei Aoyama (Honda)Shinichi Ito (Honda)Takashi Yasuda (Honda)
Takaaki Nakagami (Honda)Ryuji Yokoe (Yamaha)Shinichi Ito (Honda)Tasuku Yamashita(Yamaha)Takashi Yasuda (Honda)
Hiroomi Iwata (Honda)Youichi Ui (Yamaha)Atsushi Watanabe (Suzuki)Takayoshi Mori (Honda)Yoshiteru Konishi (Honda)
Hiroyuki Kikuchi (Honda)Takumi Takahashi (Honda)nowrapKatsuyuki Nakasuga (Yamaha)Yasutomo Nomura (Honda)Yoshiteru Konishi (Honda)
Hiroyuki Kikuchi (Honda)Youichi Ui (Yamaha)Katsuyuki Nakasuga (Yamaha)Kazuki Hanafusa (Yamaha)Yusuke Teshima (Honda)
Hikari Okubo (Honda)Yoshiteru Konishi (Honda)Kousuke Akiyoshi (Honda)Kenta Fujii (Honda)Tatsuya Yamaguchi (Honda)
Kenta Fujii (Honda)Takaaki Nakagami (Honda)Kousuke Akiyoshi (Honda)Tetsuta Nagashima (Honda)Tatsuya Yamaguchi (Honda)
Masaki Tokudome (Honda)Kazuki Watanabe (Kawasaki)Katsuyuki Nakasuga (Yamaha)THA Decha Kraisart (Yamaha)
Sena Yamada (Honda)Kohta Nozane (Honda)Katsuyuki Nakasuga (Yamaha)Kazuma Watanabe (Honda)
Sena Yamada (Honda)Yuki Takahashi (Moriwaki)Katsuyuki Nakasuga (Yamaha)Ryuta Kobayashi (Honda)
Ryo Mizuno (Honda)Yuki Takahashi (Moriwaki)Katsuyuki Nakasuga (Yamaha)Ryuji Yokoe (Yamaha)
Masaki Tokudome (Honda)Naomichi Uramoto (Suzuki)Katsuyuki Nakasuga (Yamaha)Ikuhiro Enokido (Honda)
Yuta Date (Honda)Ryo Mizuno (HARC-PRO)Takumi Takahashi (Honda)Keisuke Maeda (Yamaha)
Genki Nakajima (Honda)Ryosuke Iwato (Moriwaki)Katsuyuki Nakasuga (Yamaha)Yuki Okamoto (Yamaha)
Sho Hasegawa (Honda)Teppei Nagoe (HARC-PRO)Katsuyuki Nakasuga (Yamaha)Tomoyoshi Koyama (Honda)
Takeru Murase (Honda)Yuki Takahashi (Honda)Kohta Nozane (Yamaha)Yuki Okamoto (Yamaha)
Hiroki Ono (Honda)Kazuma Watanabe (Honda)Katsuyuki Nakasuga (Yamaha)Haruki Noguchi (Honda)
Hiroki Ono (Honda)Kazuma Watanabe (Honda)Katsuyuki Nakasuga (Yamaha)Kohta Arakawa (Honda)
Hiroki Ono (Honda)Kazuma Watanabe (Honda)Katsuyuki Nakasuga (Yamaha)Keito Abe (Yamaha)
Hiroki Ono (Honda)Yuki Kunii (Honda)Yuki Okamoto (Yamaha)Keito Abe (Yamaha)
Hiroki Ono (Honda)Taiga Hada (Honda)Katsuyuki Nakasuga (Yamaha)Yuta Date (Yamaha)

References

References

  1. [https://www.mfj.or.jp/60th/ "MFJ 60年の歩み"] ''mfj.or.jp'' (in Japanese). Retrieved 7 October 2025.
  2. [https://roadraceresults.blog.jp/archives/32685425.html "1967 MFJ全日本ロードレース選手権"] ''roadraceresults.blog.jp'' (in Japanese), 21 July 2019. Retrieved 7 October 2025.
  3. [https://www.mfj.or.jp/other/about/ "About 当協会について"] ''mfj.or.jp'' (in Japanese). Retrieved 7 October 2025.
  4. [https://www.jrr.jp/inside/class "About MFJ All Japan Road Race Championship"] ''jrr.jp'' (in Japanese). Retrieved 7 October 2025.
  5. [https://www.mfj.or.jp/wp-content/uploads/2022/12/09_付則8_JSB1000技術仕様.pdf "JSB1000 技術仕様"] ''mfj.or.jp'' (in Japanese), 9 December 2022. Retrieved 7 October 2025.
  6. (28 February 2025). "Announcing Our DUNLOP & FALKEN Motorsports Activity Plan for 2025".
  7. "What is the All Japan Road Racing Championship?".
  8. [https://www.mfj.or.jp/wp-content/uploads/2022/12/10_付則9_ST1000技術仕様.pdf "ST1000 技術仕様"] ''mfj.or.jp'' (in Japanese), 10 December 2022. Retrieved 7 October 2025.
  9. [https://www.mfj.or.jp/wp-content/uploads/2022/12/11_付則10_ST600技術仕様-1.pdf "ST600 技術仕様"] ''mfj.or.jp'' (in Japanese), 11 December 2022. Retrieved 7 October 2025.
  10. [https://www.mfj.or.jp/wp-content/uploads/2022/12/08_付則7_GPフォーミュラ技術仕様.pdf "GP フォーミュラ技術仕様"] ''mfj.or.jp'' (in Japanese), 8 December 2022. Retrieved 7 October 2025.
  11. [https://www.jrr.jp/point-ranking "Point Ranking Archive"] ''jrr.jp'' (in Japanese). Retrieved 26 October 2025.
  12. [https://superbike.mfj.or.jp/results_archives.html "過去のリザルト(Archives)"] ''superbike.mfj.or.jp'' (in Japanese). Retrieved 26 October 2025.
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