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Vehicle Profile

Completely redesigned for 2019, 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

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  • Discover Kawasaki's Technology

Launch Control Mode

In motocross racing, getting a good start is critical. A few tenths of a second can make the difference between getting the holeshot or getting buried in the pack. In slippery conditions, getting the maximum drive from a motocross bike requires

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Specifications

  • Engine

    Engine

    4-stroke, 1-cylinder, DOHC, water-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

  • Suspension

    Rake / Trail

    27.6°/4.8 in

    Front Suspension / Wheel Travel

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

    Rear Suspension / Wheel Travel

    New Uni-Trak® with adjustable dual-range (high/low-speed) compression damping, adjustable rebound damping and adjustable preload/12.1 in

    Front Tire

    80/100-21

    Rear Tire

    120/80-19

    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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