The RZ350 was introduced by Yamaha at the 1979 Paris Motor Show as the RD350LC, and was first released as a production bike in Japan in 1981. It incorporated features developed from Yamaha’s racing bikes, including a 347cc liquid-cooled 2-cylinder 45hp engine, front double disc brakes, and Yamaha’s own monocross rear suspension. Its superlative performance even allowed the bike to take on 750cc rivals, hence its Japanese nickname "750-killer." The Tamiya 1/12 model faithfully replicates the full-size bike in every detail down to the rubber tires and intricate engine detail.