The 2026 Husqvarna FC 450 is powered by a 450 cc liquid-cooled single-cylinder 4-stroke engine with electronic fuel injection, ride-by-wire throttle, slipper clutch, 6-speed transmission, and electric start producing high torque and strong power delivery for motocross performance. The chassis features a lightweight chrome-molybdenum steel frame with WP XACT 48 mm inverted front forks offering 310 mm travel and a WP XACT rear shock with linkage providing 310 mm travel for precise handling and traction. Braking is handled by ByBre disc brakes with a 270 mm front rotor and 240 mm rear rotor supported by a hydraulic brake system. The bike rides on 21-inch front and 19-inch rear wheels with high-performance off-road tire sizes 80/100 front and 110/100 rear, and uses a 520 chain drive. Additional specifications include approx. 105 kg dry weight, seat height approx. 960 mm, ground clearance approx. 350 mm, compression ratio 13.5:1, bore 95 mm, stroke 63.4 mm, adjustable suspension settings, electric start system, and WP XACT Performance components for elite motocross capability.