Test Drive MOTOHonda CB 450 26.05.2022 /The heart of the Honda CB 450 is a two-cylinder, four-stroke engine with two overhead camshafts, two vacuum carburetors, coil spring valves and a five-speed gearbox. It has 444 cubic meters and can produce 45 horsepower at 9000 rpm. Download PDF test: Honda Honda CB 450