Features Specifications: 2009 Yamaha YFZ450R ATV  Features Specifications: New 2009 Yamaha YFZ450R ATV: 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)