The 2025 GasGas MC 450F is powered by a 449.9 cc liquid-cooled single-cylinder 4-stroke engine with electronic fuel injection, ride-by-wire throttle, slipper clutch, 5-speed transmission, and electric start delivering strong torque and smooth power for motocross competition. 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 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 motocross tire sizes 80/100 front and 110/100 rear, and uses a 520 chain drive. Additional specifications include Approx. 109 kg dry weight, Approx. 960 mm seat height, Approx. 350 mm ground clearance, compression ratio 13.7:1, bore 95 mm, stroke 63.4 mm, adjustable suspension, electric start, and lightweight aluminum swingarm optimized for competitive motocross performance.