2016 Kawasaki KX450F , Absolutely nobody can exceed the championship legacy of Kawasaki and the KX motorcycle. At any level. KX has more combined professional 250 and 450 class SX titles than anyone. At the amateur level, legends like Villopoto, Carmichael, Stewart, Emig, and McGrath all launched their incomprehensible professional careers with support from Team Green , our amateur Motocross program. The common thread? The KX is The Bike That Builds Champions. Engine and transmission Displacement 449.0 ccm (27.40 cubic inches) Engine type Single cylinder, four-stroke Compression 12.5:1 Bore x stroke 96.0 x 62.1 mm (3.8 x 2.4 inches) Valves per cylinder 4 Fuel system Injection. DFI with 43mm Keihin throttle body Fuel control Double Overhead Cams/Twin Cam (DOHC) Ignition Digital DC-CDI Cooling system Liquid Gearbox 5-speed Transmission type Chain (final drive) Chassis, suspension, brakes and wheels Frame type Aluminum perimeter Rake (fork angle) 26.9° Front suspension 48mm inverted, Kayaba PSF with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment Front wheel travel 315 mm (12.4 inches) Rear suspension UNI-TRAK linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression dampening, 33-position rebound dampening and fully adjustable spring preload Rear wheel travel 315 mm (12.4 inches) Front tire 80/100-21 Rear tire 120/80-19 Front brakes Single disc. Petal disc with 2-piston caliper Diameter 250 mm (9.8 inches) Rear brakes Single disc. Petal disc with single-piston caliper Diameter 240 mm (9.4 inches) Physical measures and capacities Weight incl. oil, gas, etc 108.7 kg (239.6 pounds) Seat height 955 mm (37.6 inches) If adjustable, lowest setting. Overall height 1275 mm (50.2 inches) Overall length 2179 mm (85.8 inches) Overall width 820 mm (32.3 inches) Ground clearance 330 mm (13.0 inches) Wheelbase 1481 mm (58.3 inches) Fuel capacity 6.21 litres (1.64 US gallons) Other specifications Color options Lime Green