
Specs
- New or used
- Used
- 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 spec
- Final drive
- ChainManufacturer spec
- Seat height
- 37.4 inManufacturer spec
- Wheelbase
- 58.5 inManufacturer spec
- Ground clearance
- 13.2 inManufacturer spec
- Wet weight
- 235.8 lbManufacturer specDealer: Curb without fuel- 235.8 lb. Curb - 246 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
- KX450KMFNN
- Stock #
- N/A
All details from the dealer (22)
- Stock Number
- N/A
- Model Type
- Off-road
General Information
- Stock Number
- N/AManufacturer spec
Brakes/Wheels/Tires
- Brakes
- Front - Single semi-floating 270 mm Braking® petal disc with dual-piston caliper Rear - Single 250 mm Braking® petal disc with single-piston caliperManufacturer spec
- Tires
- Front - 80 / 100-21 Rear - 120 / 80-18Manufacturer spec
Dimensions
- Length
- Overall - 86 in.Manufacturer spec
- Height
- Overall - 49.8 in.Manufacturer spec
- Width
- Overall - 32.3 in.Manufacturer spec
Engine
- Bore x Stroke
- 96 x 62.1 mmManufacturer spec
- Compression Ratio
- 12.5:1Manufacturer spec
- Clutch
- Coned disc-spring hydraulicManufacturer spec
- Fuel System
- DFI® with 44 mm Keihin throttle bodyManufacturer spec
- Ignition
- Digital CDIManufacturer spec
- Starting
- ElectricManufacturer spec
- Modes
- Launch ControlManufacturer spec
Operational
- Frame
- Aluminum perimeterManufacturer spec
- Front Suspension
- 49 mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping Travel - 12 in.Manufacturer spec
- Rear Suspension
- Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed / 19-way low-speed) compression damping, 22-way rebound damping and adjustable preload Travel - 12.1 in.Manufacturer spec
- Rake
- 27.6°Manufacturer spec
- Trail
- 4.7 in.Manufacturer spec
- Handlebars
- Renthal® Fatbar®Manufacturer spec
Other
- Includes
- Easy engine tuning Finger-follower valve actuation Slim, ergonomic bodyworkManufacturer spec
From the dealer's page
When it comes to KX™ motorcycles, winning runs in the family. The all-new KX™450X motorcycle is powered by technology that hails from a legacy of champions and tuned to take on the toughest terrain. Get the off-road edge on the bike built to ride ahead of the rest.
Price history
Tracked since Oct 2, 2026 · last checked 2h ago
Price details as printed by the dealer
- Price$5,990
Throttle does not add these up.
Timeline
First seen
Oct 2, 2026
Market context
Comp set: 2019–2023 Kawasaki KX 450X · 2 listings
Fewer than three comparable units are indexed, so there is no honest median to compare against yet. We would rather show nothing than a number we cannot stand behind.