

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
- 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
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
Deal reasons — where this asking price sits against similar listings, with the sample behind it
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