2021

ADDITIONAL VEHICLE FEATURES:

  • Powerful engine
  • Front and rear suspension
  • Hydraulic clutch
  • Electric start
  • ERGO-FIT® technology
  • Lightweight frame and swingarm
  • Launch Control Mode


KX450X
Power
Engine
4-Stroke, Liquid Cooled, DOHC, 4-Valve, Single Cylinder
Displacement
449 cc
Bore x Stroke
96.0 x 62.1 mm
Compression Ratio
12.5:1
Fuel System
DFI® w/ Keihin 44mm Throttle Body
Ignition
Digital DC-CDI
Transmission
5-speed, return
Final Drive
Chain
Performance
Front Suspension / Wheel Travel
ø49 mm inverted fork with adjustable compression and rebound damping / 305 mm
Rear Suspension / Wheel Travel
New Uni Trak with adjustable dual-range (high/low-speed) compression damping, adjustable rebound damping and adjustable preload / 307 mm
Front Tire
80/100-21 51M
Rear Tire
120/90-18 65M
Front Brakes
Single semi-floating ø270 mm petal disc with dual-piston caliper
Rear Brakes
ø240 mm petal disc with single-piston caliper
Lubrication
Forced lubrication, semi-dry sump
Steering
42° / 42°
Details
Frame Type
Perimeter, aluminum
Rake/Trail
27.6° / 120 mm
Overall Length
2,185 mm
Overall Width
820 mm
Overall Height
1,265 mm
Ground Clearance
335 mm
Seat Height
950 mm
Curb Weight
111.6 kg
Fuel Capacity
6.2 litres
Wheelbase
1,485 mm

**Curb weight includes all necessary materials and fluids to operate correctly, full tank of fuel (more than 90 percent capacity) and tool kit (if supplied). When equipped, California evaporative emissions equipment adds approximately 2.2 lb.

KAWASAKI CARES: Read Owner's Manual and all on-product warnings. Always wear a helmet, eye protection and proper apparel. Never ride under the influence of drugs or alcohol. Adhere to the maintenance schedule in your Owner’s Manual. ©2019 Kawasaki Motors Corp., U.S.A.

Specifications subject to change.

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