The Yamaha SZR660 was a liquid-cooled single 5-valve with an aluminum delta box super single! [Watch for this bike.

The super single that was popular in Europe was planned and produced by Yamaha of Italy!

Yamaha's single-cylinder models are the traditional SR400/500 and the popular SRX400/600, which were famous for their single-cylinder sport models. The second generation of the SRX400/600 was born in 1990, with a new high-level chassis and suspension that could be considered a supersport. The second generation of the SRX400/600 was born in 1990 with a new chassis and suspension of a high level that could be considered a supersport, but the fans preferred the two suspension of the first generation, and the high-performance image was not suitable for them. Nevertheless, Yamaha introduced the next generation of super-singles in 1995, which was the goal of the second generation SRX. It was designed and produced locally in Europe by Bellegarda Yamaha of Italy, and was even imported back into Japan, but most fans did not even know it existed. → Read the full story

Information courtesy of [ RIDE HI ].