2021 Kawasaki KX450X

Kawasaki KX450X 2021


2021 Kawasaki KX450X specifications, pictures, reviews and rating

Kawasaki's profilation of this bike
When it comes to KX™ motorcycles, winning runs in the family. The all-new KX™450X motorcycle is powered by technology that hails from a legacy of champions and tuned to take on the toughest terrain. Get the off-road edge on the bike built to ride ahead of the rest.

General information
Motorcycle name Kawasaki KX450X
Year model 2021
Type Cross / motocross
Price as newUS$ 9599. MSRP depends on country, taxes, accessories, etc.
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Engine and transmission
Engine size 449.0 ccm (27.40 cubic inches)
Type of engine Single cylinder, four-stroke
Compression 12.5:1
Bore x stroke 96.0 x 62.0 mm (3.8 x 2.4 inches)
Fuel system Injection. DFI® with 44mm Keihin throttle body
Fuel control Double Overhead Cams/Twin Cam (DOHC)
Ignition Digital CDI with 3 Coupler Options
Cooling system Liquid
Gearbox 5-speed
Transmission type Chain (final drive)
Clutch Wet multi-disc, manual
Chassis, suspension, brakes and wheels
Frame type Aluminum perimeter
Rake (fork angle) 27.6°
Trail 119 mm (4.7 inches)
Front suspension 49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping
Front wheel travel 305 mm (12.0 inches)
Rear suspension Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression damping, 38-way rebound damping and adjustable preload
Rear wheel travel 307 mm (12.1 inches)
Front tire 80/100-21
Rear tire 120/80-18
Front brakes Single disc. Semi-floating petal discs
Diameter 270 mm (10.6 inches)
Rear brakes Single disc. Single-piston caliper.
Diameter 250 mm (9.8 inches)
Physical measures and capacities
Dry weight 107.0 kg (235.8 pounds)
Seat height 950 mm (37.4 inches) If adjustable, lowest setting.
Overall height 1265 mm (49.8 inches)
Overall length 2185 mm (86.0 inches)
Overall width 820 mm (32.3 inches)
Ground clearance 335 mm (13.2 inches)
Wheelbase 1485 mm (58.5 inches)
Fuel capacity 6.20 litres (1.64 US gallons)
Other specifications
Color options Lime Green
Starter Electric
Update specsReport missing specs or required updates.
Further information
Insurance costsCompare US insurance quotes from the nation's top providers.
Parts finderCMSNL provides online schematics & OEM partsParts and ships to Australia, Austria, Bahamas, Belgium, Canada, China, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hong Kong, Hungary, Iceland, India, Ireland, Italy, Japan, Kuwait, Latvia, Lithuania, Luxembourg, Macedonia, Malta, Montenegro, The Netherlands, New Zealand, Norway, Poland, Portugal, South Africa, Spain, Sweden, Switzerland, Taiwan, Ukraine, United Kingdom, The United States and more. Also check out our overview of motorcycle webshops at Bikez.info.
MaintenanceFind parts, fluids. filters, maintenance tools and service manuals at Amazon.com.
Ask questionsJoin the 21 Kawasaki KX450X discussion group or the general Kawasaki discussion group.
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