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Specifications are subject to change for vehicles under development.

KX™450F

FLAGSHIP 450cc-CLASS MX BIKE

Specifications are subject to change for vehicles under development.

AVAILABLE LATE 2026

Specifications and pricing are subject to change.

Lime Green

Base MSRP
$10,299 Non-ABS
Destination Charge
$650
Base MSRP + Destination Charge
$10,949 Non-ABS
FRONT AND REAR BREMBO
BRAKE COMPONENTS
SMARTPHONE CONNECTIVITY VIA GPS
AND RIDEOLOGY THE APP KX™2
POWER
Engine 4-stroke, single-cylinder, 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 handlebar-controlled power modes
Transmission 5-speed, return shift, with wet multi-disc manual clutch and hydraulic clutch actuation
Final Drive Chain
Electronic Rider Aids Power Modes, Kawasaki TRaction Control (KTRC), Launch Control Mode
PERFORMANCE
Front Suspension / Wheel Travel 49mm Showa inverted telescopic coil-spring fork with 21-way adjustable compression and 22-way adjustable rebound damping/12.0 in
Rear Suspension / Wheel Travel New Uni-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 spring preload/11.8 in
Front Tire 80/100-21
Rear Tire 120/80-19
Front Brakes Single semi-floating 270mm Braking/Sunstar petal disc with Brembo master cylinder and dual-piston caliper
Rear Brakes Single 240mm Braking/Sunstar petal disc with Brembo master cylinder and single-piston caliper
DETAILS
Frame Type Aluminum perimeter
Rake/Trail 26.7°/4.4 in
Overall Length 86.0 in
Overall Width 32.5 in
Overall Height 50.0 in
Ground Clearance 13.4 in
Seat Height 38.0 in
Curb Weight 239.6 lb* without fuel / 249.7 lb*
Fuel Capacity 1.64 gal
Wheelbase 58.5 in
Special Features Smartphone Connectivity via RIDEOLOGY THE APP KX™2, ERGO-FIT®
Color Choices Lime Green

*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).

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. ©2026 Kawasaki Motors Corp., U.S.A.

Specifications subject to change.

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Zip Code or City, State

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FULL-SIZE MX

KX™250F

KX™450SR

‡Base MSRP is the base for the series of a model and excludes destination, options, taxes, title and license, and dealer fees and charges. Dealer sets actual retail price.