Specifications: Engine Type 450cc liquid-cooled single-cylinder four-stroke Bore and Stroke 94.0mm x 64.8mm Compression Ratio 10.5:1 Valve Train Unicam; four-valve Carburetion Keihin 42.0mm with throttle position sensor (TPS) Ignition CD with electronic advance Starter Forward kick DRIVE TRAIN Transmission Five-speed Driveline O-ring-sealed chain CHASSIS/SUSPENSION/BRAKES Front Suspension Independent double-wishbone with Showa shocks, featuring adjustable spring preload, rebound and compression damping; 8.4-inch travel Rear Suspension Pro-Link with single Showa shock featuring adjustable spring preload, rebound and compression damping; 9.0-inch travel Front Brakes Dual hydraulic 174.0mm discs with twin-piston calipers Rear Brake Single hydraulic 190.0mm disc with single-piston caliper Front Tires 22 x 7-10 knobby radial Rear Tires 20 x 10-9 knobby radial DIMENSIONS Length 72.6 inches Width 46.3 inches Height 43.6 inches Wheelbase 49.2 inches Seat Height 32.6 inches Dry Weight 350.0 pounds Fuel Capacity 3.2 gallons OTHER Options Consult your owner\'\'s manual for optional HRC Racing kit parts Available Colors Black, Red Model ID TRX450R FACTORY WARRANTY INFORMATION 6 months Coverage of defects in materials and workmanship