Features Specifications: YAMAHA 2009 YFZ450R atv  SPECIFICATION Engine Type 449cc, 4-Stroke Single, Liquid Cooled w/ Fan, Titanium 5-Valve DOHC Bore x Stroke 95mm x 63.4mm Compression Ratio 11.6:1 Fuel Delivery Yamaha Fuel Injection (YFI) , 42mm Ignition TCI (Digital) Starting System Electric Transmission 5-Speed Manual Clutch Drive Train 2WD; Sealed O-Ring Chain, Eccentric Adjustment Chassis Suspension/Front Independent Double Wishbone, 9.8. Kashima Coated Piggy Back Shocks, High/Low Speed Compression, Rebound and Threaded Preload Adjustment. Suspension/Rear Cast Aluminum Swing Arm, 11.0. Piggy Back High/Low Speed Compression, Rebound and Threaded Preload Adjustment. Brakes/Front Dual Ventilated Hydraulic Disc , Twin Piston Brakes/Rear Wave Style Ventilated Hydraulic Disc, Twin Piston Tires/Front AT21x7-10 Radial Tires/Rear AT20x10-9 Radial Dimensions L x W x H 70.7 x 48.8 x 41.9 in Seat Height 31.9 in Wheelbase 50.0 in Ground Clearance 4.5 in Fuel Capacity 2.6 gal Wet Weight 405 lb Other Lighting Dual 30W Krypton multi-reflector Headlights and 3.9/0.5W LED Brake light Warranty 6 Month (Limited Factory Warranty)