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2021 KX450X

GET THE OFF-ROAD EDGE

When it comes to KX motorcycles, winning runs in the family. The all-new cross-country KX450X 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.

FEATURING:
  • POWERFUL 449cc ENGINE
  • OFF-ROAD READY SUSPENSION
  • F21″/R18″ WHEELS AND OFF-ROAD TIRES
  • SKID PLATE & SIDE STAND
ADDITIONAL VEHICLE FEATURES:
  • Electric start
  • Coned disc-spring hydraulic clutch
  • Launch Control Mode
  • Easy engine tuning
  • Finger-follower valve actuation
  • Industry-leading slim aluminum perimeter frame
  • Powerful brakes
  • Slim, ergonomic bodywork
  • ERGO-FIT adjustable ergonomics
  • Renthal Fatbar handlebar
  • Uni-Trak linkage system

Engine
Model 2021 KX450X
Engine Type Liquid cooled, 4 stroke single cylinder
Displacement 449 cm³
Bore X Stroke 96.0 x 62.1 mm
Compression Ratio 12.5:1
Valve System DOHC, 4 valves
Fuel System Fuel injection: 44 mm x 1
Ignition Digital
Starting Electric
Transmission 5-speed, return
Final Drive Chain
Primary Reduction Ratio 2.727 (60/22)
1ST 1.750 (28/16)
2ND 1.412 (24/17)
3RD 1.188 (19/16)
4TH 1.000 (19/19)
5TH 0.875 (21/24)
Final Drive Reduction Ratio 3.923 (51/13)
Clutch Wet multi-disc, manual
Frame
Type Perimeter, aluminium
Wheel Travel Front 305mm
Wheel Travel Back 307mm
Tyre
Front 80/100-21 51M
Rear 120/90-18 65M
Caster (Rake) 27.6º
Trail 120 mm
Steering Angle (Right/Left) 42° / 42°
Suspension
Front 49 mm inverted telescopic fork with adjustable compression and rebound damping
Rear Uni Trak with adjustable dual-range (high/low-speed) compression damping, adjustable rebound damping and adjustable preload
Brakes
Front Single semi-floating 270 mm petal disc with Dual-piston calipers
Rear 240 mm petal disc with Single-piston caliper
Dimensions
L x W x H 2,185 x 820 x 1,265 mm
Wheelbase 1,485 mm
Ground Clearance 335 mm
Seat Height 950 mm
Curb Mass 111.6 kg (includes full fuel tank, all fluids at optimum levels)
Fuel Capacity 6.2 litres
Performance
Colour/s Lime Green
  • Please enter a number from 1800 to 2013.