The Honda CB650 is a four-cylinder middleweight motorcycle manufactured from 1979 to 1985 by Honda. The machine was smaller engine successor to the CB750 and based on the Honda CB750. The CB650 had a 626 cc SOHC four-cylinder, eight-valve engine which produced 63 hp (47 kW) @ 9,000 rpm. The CB650's performance was comparable to contemporary 750 cc motorcycles. It was Honda's last SOHC aircooled straight-four engine.
Read more about Honda CB650: Model History