2008 Yamaha YZ450F:
SPECIFICATIONS
Engine 4-stroke, liquid-cooled DOHC, 5-valve (titanium), single
Displacement 449 cc
Bore and Stroke 95 x 63.4 mm
Compression Ratio 12.3:1
Maximum Torque 5.4 kg-m (39.1 ft-lb) at 6,500 rpm
Fuel Delivery Keihin FCR-MX39, flat slide w/ throttle position sensor
Ignition CDI
Transmission 5-speed
Final Drive Chain
Suspension (Front) Adjustable 48 mm inverted fork; 300 mm (11.8") travel
Suspension (Rear) Fully adjustable link Monocross; 313 mm (12.3") travel
Brakes (Front) 250 mm floating disc
Brakes (Rear) 245 mm disc
Tires (Front) 80/100-21
Tires (Rear) 120/80-19
Length 2194 mm (86.3")
Width 825 mm (32.5'')
Height 1,306 mm (51.4")
Wheelbase 1495 mm (58.9")
Ground Clearance 374mm (14.7")
Seat Height 990 mm (39")
Dry Weight 99.5 kg (218.9 lb)
Fuel Capacity 7 litres (1.6 Imp. gal.)
Colour(s) Yamaha Blue; white