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Kawasaki KX450X - 2021 Specifications and Reviews

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General information

CategoryCross / motocross
Year2021
ModelKawasaki KX450X

Engine and Transmission Specifications

ClutchWet multi-disc, manual
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemLiquid
IgnitionDigital CDI with 3 Coupler Options
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. DFI® with 44mm Keihin throttle body
Bore x Stroke96.0 x 62.0 mm (3.8 x 2.4 inches)
Compression12.5:1
Engine typeSingle cylinder, four-stroke
Capacity:449.0 ccm (27.40 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. Single-piston caliper.
Diameter270 mm (10.6 inches)
Front brakesSingle disc. Semi-floating petal discs
Rear tire120/80-18
Front tire80/100-21
Rear wheel travel307 mm (12.1 inches)
Rear SuspensionUni-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
Front wheel travel305 mm (12.0 inches)
Front Suspension49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping
Trail119 mm (4.7 inches)
Rake (fork angle)27.6°
Frame typeAluminum perimeter

Physical measures and capacities

Fuel capacity6.20 litres (1.64 US gallons)
Wheelbase1485 mm (58.5 inches)
Ground clearance335 mm (13.2 inches)
Overall width820 mm (32.3 inches)
Overall length2185 mm (86.0 inches)
Overall height1265 mm (49.8 inches)
Seat height950 mm (37.4 inches) If adjustable, lowest setting.
Dry weight107.0 kg (235.8 pounds)

Other specs

StarterElectric
Color optionsLime Green

Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 Kawasaki KX450X is an impressive off-road motorcycle that delivers power, agility, and durability. With its potent 449cc engine, lightweight chassis, and advanced suspension system, this bike is designed to tackle the toughest trails and terrains with ease. The refined ergonomics and adjustable footpegs ensure a comfortable and customizable riding experience for riders of all sizes. Additionally, the KX450X features a high-performance braking system and a rugged frame, making it a reliable and capable off-road companion. Overall, the 2021 Kawasaki KX450X is a top-tier off-road motorcycle that offers exceptional performance and versatility. Whether you're a weekend trail rider or a competitive racer, this bike has the power, handling, and durability to meet your off-road demands. With its advanced features and aggressive styling, the KX450X is a standout choice for anyone seeking an exhilarating and capable off-road experience.
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