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2025 Kawasaki KX450 — photo 1 of 3
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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
JKAKXGMC8SA010462
Stock #
K5349
All details from the dealer (20)
Badge
On Sale
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 2025 Kawasaki KX 450 stands as a pinnacle in the motocross world, embodying a blend of cutting-edge technology, raw power, and rider-centric design. This high-performance machine is engineered to dominate on the track, making it a top choice for both professional racers and serious enthusiasts seeking the ultimate competitive edge. **Characteristics and Key Features:** The 2025 KX 450 is powered by a robust 449cc liquid-cooled, four-stroke engine that delivers explosive power across the rev range. The engine benefits from advanced fuel injection and an updated ECU, ensuring precise throttle response and optimal performance in varying conditions. The bike's lightweight aluminum perimeter frame is designed for exceptional rigidity and nimbleness, enhancing cornering stability and overall handling. Suspension duties are handled by high-performance Showa 49mm coil-spring front forks and a Uni-Trak rear suspension system, both fully adjustable to suit a wide range of rider preferences and track conditions. This sophisticated suspension setup provides exceptional feedback and absorbs even the harshest impacts with ease. Braking is precise and powerful, thanks to the large-diameter disc brakes with petal rotors, offering excellent stopping power and heat dissipation. Additionally, the KX 450 features advanced ergonomics with a slim profile, adjustable handlebar mounts, and footpeg positions to accommodate different rider sizes and styles. On the track, the 2025 Kawasaki KX 450 is a beast, delivering a thrilling riding experience marked by its explosive acceleration and razor-sharp handling. The bike's balanced chassis and superior suspension allow riders to tackle jumps, whoops, and berms with confidence and precision. Whether slicing through tight corners or blasting down straights, the KX 450 remains composed and responsive, providing the feedback and control needed to push limits. The Kawasaki KX 450 is meticulously crafted for a target market comprising professional motocross racers and serious off-road enthusiasts. These riders demand peak performance, durability, and technological advancements that give them a competitive edge. The KX 450 appeals to those who seek to dominate races and achieve new personal bests, offering a machine that is not only race-ready out of the crate but also highly tunable to meet individual preferences and track conditions. In summary, the 2025 Kawasaki KX 450 is a formidable machine designed for those who live for the thrill of motocross. Its combination of power, agility, and advanced features makes it a standout choice for anyone serious about off-road racing. Whether you're a seasoned pro or an ambitious amateur, the KX 450 provides the tools needed to elevate your riding to the next level.

Price history

Tracked since Oct 13, 2026 · last checked 2h ago

Price details as printed by the dealer

  1. On Sale$5,798

Throttle does not add these up.

LIMITED DATA: one listed price so far (Oct 13, 2026)

  • LEGENDS OF SENECA (this listing)

Prices as listed by dealers; auction results labelled; a dashed gap = no listed price.

Timeline

  1. First seen

    Oct 13, 2026

Market context

Comp set: 2023–2027 Kawasaki KX450 · 242 listings

Median asking
$8,246
across 230 comparable listings
This one
$5,798
-29.7% vs median
Days on market
New to Throttle
none have left dealer sites yet
Left dealer sites
—
none yet
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