The FC 450 is powered by a 449.9cc, liquid-cooled, single-cylinder, SOHC, 4-stroke engine that delivers 55.6 hp at 9,900 rpm and 33.9 lb.-ft. of torque at 7,200 rpm. It features fuel injection, a flow-designed resonance chamber integrated into the header, and a 5-speed manual transmission for precise power delivery and control. The engine weighs 59 pounds, contributing to a low center of gravity for improved handling