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Performance
Engine type 4-stroke single, DOHC
POWER & PERFORMANCE BUILT TO WIN
Displacement 449cc
Transmission 5-speed, return shift, with wet multi-disc manual clutch and hydraulic clutch actuation

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KEY FEATURES

2023 Kawasaki KX™450

THE BIKE THAT BUILDS CHAMPIONS

With more Supercross and Motocross championships than any other manufacturer, the KX™ name is synonymous with winning. The KX™450 motorcycle represents the flagship of the KX lineup, built with the sole purpose of dominating the track. Over the past four decades, we’ve learned what it takes to win and stay on top. Our dedication to building the ultimate machine is undeniable, and the KX450 represents this to the fullest.

Features may include:

POWER & PERFORMANCE

  • BUILT TO WIN

The KX™450 engine delivers broad, useable torque and strong, responsive power across the rev range. From the starting gate to the finish line, this race-ready machine is built to stay ahead of the pack.

RACE-READY SUSPENSION

  • LEAVE THEM IN THE DUST

Take the lead with proven race-winning performance. The highly adjustable suspension package delivers smooth action, firm damping and contributes to optimal traction.

NEXT-LEVEL TECHNOLOGY

  • RIDE WITH CONFIDENCE

From quick, reliable starting to advanced braking power, the KX™450 motorcycle offers superior features designed to inspire confidence. What’s more, this race-ready machine is backed by decades of championship-proven experience.

CHASSIS & ERGONOMICS

  • MADE TO SHAVE LAP TIMES

Experience the race-winning advantage of a strong and lightweight chassis, agile handling and exclusive ERGO-FIT® technology.

  • Coned Disc-Spring Hydraulic Clutch
  • ERGO-FIT® adjustability
  • DFI® couplers
  • Industry-leading slim aluminum perimeter frame

Details

Engine

Engine Type
4-stroke single, DOHC
Displacement
449cc
Cooling System
Liquid-cooled
Bore
96.0mm
Stroke
62.1mm
Compression Ratio
12.5:1
Fuel System
DFI® with 44mm Keihin throttle body
Ignition
Digital CDI with 3 Coupler Options

Drivetrain

Transmission
5-speed, return shift, with wet multi-disc manual clutch and hydraulic clutch actuation
Final Drive
Chain

Chassis

Frame Type
Aluminum perimeter

Suspension

Front Suspension
49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping
Rear Suspension
Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression damping, 22-way rebound damping and adjustable preload

Brakes

Front braking system
Single semi-floating 270mm Braking® petal disc with dual-piston caliper
Rear braking system
Single 250mm Braking® petal disc with single-piston caliper

Wheels & Tires

Front Tire
80/100-21
Front Wheel Travel
12.0 in
Rear Tire
120/80-19
Rear Wheel Travel
12.1 in

Dimensions

Rake/trail
27.6°/4.8 in
Overall Length
86.0 in
Overall Width
32.3 in
Overall Height
49.8 in
Ground Clearance
13.4 in
Seat Height
37.6 in
Wheelbase
58.5 in

Capacities

Fuel Capacity
1.64 gal

Weights

Curb Weight
233.2 lb without fuel / 243.3 lb

Color

Colors
Lime Green