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2025 Kawasaki KX450 — photo 1 of 7
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Specs

New or used
New
Availability
In stock
Colour
Lime Green
Displacement
449 ccManufacturer spec
Engine cycle
Four-strokeManufacturer specDealer: 4-stroke single, DOHC
Cooling
Liquid-cooledManufacturer specDealer: Liquid
Transmission
ManualManufacturer specDealer: 5-speed, return shift
Final drive
ChainManufacturer spec
Seat height
37.8 inManufacturer spec
Wheelbase
58.3 inManufacturer spec
Ground clearance
13.6 inManufacturer spec
Wet weight
238.3 lbManufacturer specDealer: Curb, without fuel - 238.3 lb.* Curb - 248.2 lb.* *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).
Fuel capacity
1.64 galManufacturer spec
Model code
KX450MSFNN
VIN
JKAKXGMC6SA008578
Stock #
QWD8578
All details from the dealer (19)
Model Type
KX - Full-Size MX

Brakes/Wheels/Tires

Brakes
Front - Single semi-floating 270 mm Braking / Sunstar petal disc with Brembo master cylinder and dual-piston caliper Rear - Single 240 mm Braking / Sunstar petal disc with single-piston caliperManufacturer spec
Tires
Front - 80 / 100-21 Rear - 120 / 80-19Manufacturer spec

Dimensions

Length
Overall - 85.8 in.Manufacturer spec
Height
Overall - 50 in.Manufacturer spec
Width
Overall - 32.3 in.Manufacturer spec

Electrical

Instrumentation
Smartphone Connectivity via RIDEOLOGY THE APP KX™Manufacturer spec
Advanced Electronics
Kawasaki TRaction Control (KTRC)Manufacturer spec

Engine

Bore x Stroke
3.7 x 2.4 in. (96 x 62.1 mm)Manufacturer spec
Compression Ratio
12.5:1Manufacturer spec
Clutch
Wet multi-disc manual and hydraulic actuationManufacturer spec
Fuel System
DFI® with 44 mm Keihin throttle bodyManufacturer spec
Ignition
Digital CDI with handlebar-controlled Power ModesManufacturer spec
Modes
Power, Launch ControlManufacturer spec

Operational

Frame
Aluminum perimeter Chassis Management Technology - ERGO-FIT®Manufacturer spec
Front Suspension
49 mm inverted telescopic coil-spring fork with 21-way adjustable compression and 22-way adjustable rebound damping Wheel travel - 12.0 in.Manufacturer spec
Rake
26.6°Manufacturer spec
Trail
4.5 in.Manufacturer spec
Grips
ODI lock-onManufacturer spec

From the dealer's page

The KX™ legacy represents a long line of champions. The drive to produce more has not slowed down. Our flagship KX™450 motorcycle offers next-level engineering and power to dominate the track. Over the decades, we've learned what it takes to win and stay on top. The KX450 embodies this legacy to the fullest.

Price history

Tracked since Oct 10, 2026 · last checked 3h ago

Not enough observations yet — the chart appears after the second crawl of this listing.

Timeline

  1. First seen

    Oct 10, 2026

Market context

Comp set: 2023–2027 Kawasaki KX450 · 164 listings

Median asking
$8,099
across 157 comparable listings
This one
$10,499
+29.6% vs median
Days on market
New to Throttle
none have left dealer sites yet
Left dealer sites
—
none yet
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