YAMAHA YZ 450 F 449 (2003 - Present) Description & History:
YAMAHA YZ 450 F 449 2003 - Present Full Specifications:Brand: YAMAHA, Model: YZ, Type: YZ 450 F 2003, Name Year: YZ 450 F 449 2003 - Present, Engine Type: Single Cylinder, Liquid Cooled, 4-stroke, Displacement: 449 cm3, Bore Xstroke: 3.74x2.49 in OR 95.0x63.2 mm, Compression: 12.5:1, Horsepower: 44(60)/9000 KW(hp)/RPM, Torque: 39/6500 lb-ft/RPM OR 53/6500 Nm/RPM, Fuel System: Carburetor, Gearbox: 4 Speed, Clutch: -, Primary Drive: -, Final Drive: Chain, Frame: -, Front Suspension: 46mm Kayaba Inverted Telescopic Fork, Rear Suspension: Fully Adjustable Kayaba Single Shock, Front Brake: Single 250 Mm Disc, Rear Brake: Single 245 Mm Disc, Length: 85.5 in OR 2172 mm, Width: 32.6 in OR 828 mm, Seat Height: 39.2 in OR 996 mm, Wellbase: 58.5 in OR 1486 mm, Ground Clearance: -, Weight: 220 lbs OR 100 kg, Fuel Capacity: 1.8 gallons OR 1.8 L, Tyres Front: 80/100-21, Tyres Rear: 110/90-19.