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2025 Kawasaki KX™450

Price excludes government fees. Sale prices include all applicable offers.

2025 Kawasaki KX™450

A long line of champions is what the KX™ legacy stands for. That drive to produce more has yet to slow down. As our flagship, the KX™450 motorcycle brings next-level engineering and power for dominating the track. Decades of experience have taught us what winning and staying on top require. This legacy is embodied to the fullest in the KX450.

Features may include:

POWER & PERFORMANCE
  • MADE FOR WINNING

Across the rev range, the engine of the KX™450 motorcycle produces broad, useable torque along with strong, responsive power. This race-ready machine is built to remain ahead of the pack all the way from the starting gate to the finish line.

RACE-READY SUSPENSION
  • LEAVE THE REST IN THE DUST

Grab the lead thanks to proven race-winning performance. Smooth action and firm damping come from the highly adjustable Showa suspension package, which also contributes to optimal traction.

ADVANCED TECHNOLOGY
  • RIDE CONFIDENTLY

Every advanced control on the KX™450 motorcycle is streamlined with rider convenience in mind. A push of a button gives access to Kawasaki TRaction Control (KTRC), Power Mode Selection, and Launch Control Mode. With these features, riders can rapidly tailor power delivery and traction to riding conditions and preference. The KX450 provides superior features that are designed to inspire confidence.

CHASSIS & ERGONOMICS
  • BUILT TO CUT LAP TIMES

Feel the race-winning edge that comes from a strong, lightweight chassis, agile handling, and exclusive ERGO-FIT® technology.

ADDITIONAL
  • Perimeter frame made of lightweight aluminum
  • Straight exhaust port with center exhaust
  • ODI lock-on grips
  • Quick-release side cover allows air filter access without tools
  • Streamlined ergonomics let the rider move easily
  • Coned disc-spring hydraulic clutch
  • MSRP$10,499
  • LocationHillsboro, Oregon
  • ConditionNew
  • On-SiteYes
  • Stock Number009233
  • Year2025
  • MakeKawasaki
  • ModelKX™450
  • TypeMotorcycle
  • CategoryMotocross
  • VINJKAKXGMCXSA009233
  • ColorGreen
  • Engine4-stroke, single-cylinder, DOHC, liquid-cooled
  • Engine Size449 cc
  • Fuel TypeGas
  • Transmission5-speed
  • StatusIn Stock
General
Year2025
ManufacturerKawasaki
Model NameKX™450
Trim NameBase
Generic Type (Primary)Off-Road
Engine Type4-stroke, single-cylinder, DOHC
Displacement449cc
Cooling SystemLiquid-cooled
Bore96.0mm
Stroke62.1mm
Compression Ratio12.5:1
Fuel SystemDFI® with 44mm Keihin throttle body
IgnitionDigital CDI with handlebar-controlled power modes
Drivetrain
Transmission5-speed, return shift, with wet multi-disc manual clutch and hydraulic clutch actuation
Final DriveChain
Frame TypeAluminum perimeter
Suspension
Front Suspension49mm Showa inverted telescopic coil-spring fork with 21-way adjustable compression and 22-way adjustable rebound damping
Rear SuspensionUni-Trak® gas charged shock with piggyback reservoir with adjustable dual-range compression damping (19-way low speed and 4.25 turn stepless high speed), 23-way adjustable rebound damping and stepless adjustable preload
Brakes
Front braking systemSingle semi-floating 270mm Braking/Sunstar petal disc with Brembo master cylinder and dual-piston caliper
Rear braking systemSingle 240mm Braking/Sunstar petal disc with single-piston caliper
Wheels & Tires
Front Tire80/100-21
Front Wheel Travel12.0 in
Rear Tire120/80-19
Rear Wheel Travel12.1 in
Dimensions
Rake/trail26.6°/4.5 in
Overall Length85.8 in
Overall Width32.3 in
Overall Height50.0 in
Ground Clearance13.6 in
Seat Height37.8 in
Wheelbase58.3 in
Capacities
Fuel Capacity1.64 gal
Weights
Curb Weight238.3 lb without fuel / 248.2 lb
Color
ColorsLime Green
FeaturesElectronic Rider Aids: Power Modes, Kawasaki TRaction Control (KTRC), Launch Control Mode | Smartphone Connectivity via RIDEOLOGY THE APP KX™, ERGO-FIT®

Stock/unit photos are AI generated. They are a best estimation of the final product, but accuracy is not guaranteed. Advertised pricing includes manufacturer freight (destination), dealer setup and the documentation fee. It excludes applicable taxes, title and licensing, and is subject to change without notice.

*Price does not include the $200 dealer doc fee, tax, title, license and government fees.

Specifications, features, equipment, colors and other vehicle details on this page are compiled from manufacturer and third-party sources and are reviewed and supplemented with the help of artificial intelligence (AI) tools. While we work to keep this information accurate, it may contain errors or omissions, and manufacturers may change specifications without notice. All information is provided "as is" for general reference only; it is not a warranty or representation of any kind and does not form part of any offer or sales agreement. Please confirm any details that matter to your purchase, including specifications, equipment, price and availability, with our sales staff before buying. To the fullest extent permitted by law, we are not responsible for errors or omissions in this information or for any reliance on it.

*Pre-approval is not a guarantee of financing. All financing is subject to credit approval by the lender, and approval, rates, terms and down payment are based on your credit history, income and other factors. Not all applicants will qualify. Estimated payments are for illustration only and do not include taxes, title or other fees.

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2025 Kawasaki KX™450

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