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Kawasaki KX 450F - 2011 Specifications and Reviews

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General information

CategoryCross / motocross
Year2011
ModelKawasaki KX 450F

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
IgnitionDigital DC-CDI
Fuel controlDOHC
Fuel systemCarburettor. 43mm Keihin throttle body
Valves per cylinder4
Bore x stroke96.0 x 62.1 mm (3.8 x 2.4 inches)
Compression12.5:1
Engine typeSingle cylinder, four-stroke
Capacity:449.00 ccm (27.40 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter240 mm (9.4 inches)
Rear brakesSingle disc
Front brakes diameter250 mm (9.8 inches)
Front brakesSingle disc
Rear tyre dimensions120/80-19
Front tyre dimensions90/100-21
Rear suspensionUni-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 / 12.4 in.
Front suspensionUni-Trak linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression damping, 33-position rebound dampening and fully adjustable spring preload / 12.4 in.
Rake (fork angle)26.7°
Frame typeBackbone frame, high-tensile steel
 
 

Physical measures and capacities

Fuel capacity7.19 litres (1.90 gallons)
Wheelbase1,481 mm (58.3 inches)
Ground clearance335 mm (13.2 inches)
Overall width820 mm (32.3 inches)
Overall length2,184 mm (86.0 inches)
Overall height1,280 mm (50.4 inches)
Seat height960 mm (37.8 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc113.4 kg (249.9 pounds)

Other specs

Factory warranty12 Months
StarterElectric
Wheelbase965 mm (38.0 inches)
Rear tyre18/9-8
Front tyre18/7-8
Rear SuspensionSwingarm with single shock absorber / 2.9 in.
Front SuspensionSingle A-arm with twin shock absorbers / 2.8 in.
Bore x Stroke47.0 x 51.8 mm (1.9 x 2.0 inches)
Compression10.0:1
ModelKawasaki KFX 90
Color optionsLime Green

Rider Reviews

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