Vehicle Profile

Completely redesigned for 2020, the KX™450 is built to lead the competition with a more powerful engine, race-ready suspension and a new electric start. Feel the race-winning advantage with a lightweight platform and upgraded bodywork that focuses on form and function. Absolutely no other manufacturer comes close to the unrivaled legacy of KX.

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Kawasaki Technology

  • tech-LT-BG/ErgoFit Created with Sketch.
  • tech-LT-BG/KLCM Created with Sketch.
  • Discover Kawasaki's Technology

ERGO-FIT

ERGO-FIT is an interface system that allows a wide range of riders to feel at one with their machine.

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Kawasaki Launch Control Mode (KLCM)

KLCM (Kawasaki Launch Control Mode) optimizes acceleration from a stop by electronically managing engine output to minimize wheelspin.

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Specifications

  • Engine

    Engine

    4-stroke single, DOHC, liquid-cooled

    Displacement

    449cc

    Bore x Stroke

    96.0 x 62.1mm

    Compression ratio

    12.5:1

    Fuel system

    DFI® with 44mm Keihin throttle body

    Ignition

    Digital CDI with electric start

    Transmission

    5-speed, return shift, with wet multi-disc manual clutch and hydraulic clutch actuation

  • Suspension

    Front suspension / wheel travel

    49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping/12.0 in

    Rear suspension / wheel travel

    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/12.1 in

    Front tire

    80/100-21

    Rear tire

    120/80-19

    Rake/Trail

    27.6°/4.8 in

    Ground clearance

    13.4 in

    Wheelbase

    58.5 in

  • Totals

    Overall length

    86.0 in

    Overall width

    32.7 in

    Overall height

    50.2 in

    Seat height

    37.6 in

    Curb weight

    232.3 lb without fuel / 242.4 lb**

    Fuel capacity

    1.64 gal

  • General

    Final drive

    Chain

    Frame Type

    Aluminum perimeter

    Color Choices

    Lime Green

    Kawasaki Protection Plus (optional)

    Not Available

  • Brakes

    Front brakes

    Single semi-floating 270mm Braking® petal disc with dual-piston caliper

    Rear brakes

    Single 250mm Braking® petal disc with single-piston caliper

  • Guarantee

    Warranty

    Not Available

**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).

Specifications subject to change

KAWASAKI CARES: Always wear a helmet, eye protection, and proper apparel. Never ride under the influence of drugs or alcohol. Read Owner’s Manual and all on-product warnings. Professional rider shown on a closed course. ©2019 Kawasaki Motors Corp., U.S.A.

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