2024 Kawasaki KX450X Bike



Kawasaki KX450X Bike
Model Year
Engine Size
Engine Type
Engine Displacement
Bore x Stroke
96.0 mm x 62.1 mm
Compression Ratio
Fuel System
DFI (Dual Fuel Injection) with 44 mm Keihin throttle body and dual injectors
Digital CDI, three coupler options; push-button electric start with lightweight, compact Li-ion battery
5-speed, cross-country specific shorter gear ratios, return shift; hydraulic wet multi-disc manual clutch with coned disc spring
Final Drive
Suspension Front
Showa A-KIT 49 mm inverted telescopic coil-spring fork, 21-way compression damping, 22-way rebound damping, 305 mm (12.0") travel
Suspension Rear
Uni-Trak system, Showa A-KIT Compact Design gas charged shock with piggyback reservoir, dual-range (4.25 turns stepless high-speed, 19-way low-speed) compression damping, 23-way rebound damping, stepless adjustable preload, 307 mm (12.1") travel
Brakes Front
Brembo dual-piston caliper, single semi-floating 270 mm Braking/Sunstar petal disc
Brakes Rear
Nissin single-piston caliper, single 240 mm Braking/Sunstar petal disc
Tires Front
Dunlop AT81, 80/100-21"
Tires Rear
Dunlop AT81, 120/80-18"
Overall Length
2174 mm (85.6")
Overall Width
815 mm (32.1")
Overall Height
1260 mm (49.6")
Seat Height
950 mm (37.4")
1481 mm (58.5")
Ground Clearance
335 mm (13.2")
27.0° / 4.6"
Fuel Capacity
6.2 liters (1.64 gallons)
Curb Weight
113.4 kg (249.9 lbs) with fuel, 108.8 kg (239.8 lbs) without
• New engine tuning
• Lowered shock tower to allow a straighter intake into the new angled cylinder head
• New cylinder head with revised layout of entire intake system
• New straight exhaust port and center exhaust for straighter airflow and improved efficiency
• New handlebar-mounted traction control, power mode, and launch control switch
• New lightweight aluminum perimeter frame with optimized stiffness and dimensions that help improve the front-end feeling and traction
• Revised slim ergonomic bodywork and easy-to-remove quick-release side cover and tool-free access to air filter
• New Kawasaki TRaction Control (KTRC) assistance modes (strong, weak or off) and power modes (normal or mild response)
• Added smartphone connectivity: with RIDEOLOGY THE APP riders are able to adjust fuel and ignition timing and keep a maintenance log using Bluetooth connectivity from their smartphone
• New off-road-specific softer suspension settings
• Kawasaki Launch Control Mode (KLCM) with push-button activation electronically manages engine output in first and second gear to minimize wheel spin when moving off; normal ignition mapping immediately resumes and full power is restored once rider shifts into third gear
• KX450X (versus KX450) has been purposely tuned for off-road competition, with softer suspension settings, shorter gearing, 21”/18” wheel combination, Dunlop Geomax AT81 tires, brake components, skid plate, and kickstand
• Cooling: liquid
• Engine: DOHC, single piston
• Frame: aluminum perimeter
• Grips: ODI lock-on
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