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Three-time Super Formula champion Naoki Yamamoto has announced his decision to retire from the series following this weekend’s season finale at Suzuka.The Nakajima Racing driver, 36, made the announcement via a post on his Instagram page on Tuesday.It effectively calls time on a 15-season spell in Japan’s top single-seater series for the factory Honda ace which yielded titles in 2013, 2018 and …Keep reading