Key performance
63 ch
Power
449 cc
Displacement
113 kg
Weight
960 mm
Seat height
6.2 L
Fuel capacity
10 745 €
New price
Compare the Kawasaki KX450 with: Choose a motorcycle →
Technical specifications
Changements 2009 → 2026
- Power
- — → 63.0 ch (46.3 kW)
- Engine type
- Single cylinder, four-stroke → Monocylindre, 4 temps
- Cooling
- Liquid → liquide
- Compression ratio
- 12.5:1 → 12.5 : 1
- Bore × stroke
- 96.0 x 62.1 mm (3.8 x 2.4 inches) → 96 x 62.1 mm
- Camshafts
- — → 2 ACT
- Fuel system
- Injection. 43mm Keihin Throttle body → Injection Ø 44 mm
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC) → —
- Ignition
- Digital DC-CDI → —
- Frame
- — → périmétrique en aluminium
- Gearbox
- 5-speed → boîte à 5 rapports
- Final drive
- Chain (final drive) → Chaîne
- Front suspension
- 48mm inverted, Kayaba AOS with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment / 12.4 in. → Fourche téléhydraulique inversée Ø 49 mm, déb : 305 mm
- Rear suspension
- UNI-TRAK® linkage system and Kayaba shock with 22-position low-speed and stepless high-speed compression dampening, 22-position rebound dampening and fully adjustable spring preload / 12.4 in. → Mono-amortisseur, déb : 307 mm
- Front brakes
- Single disc → Freinage 1 disque Brembo Ø 270 mm, étrier 2 pistons
- Rear brakes
- Single disc → Freinage 1 disque Nissin Ø 240 mm, étrier simple piston
- Front tyre
- 90/80-21 → 80/100-21
- Front tyre pressure
- — → 1.00 bar
- Rear tyre
- 120/80-19 → 120/80-19
- Rear tyre pressure
- — → 1.00 bar
- Seat height
- 965.00 mm → 960.00 mm
- Wheelbase
- 1481.00 mm → —
- Ground clearance
- 340.00 mm → —
- Length
- 2184.00 mm → —
- Width
- 820.00 mm → —
- Height
- 1280.00 mm → —
- Fuel capacity
- 7.00 L → 6.20 L
- Weight
- 112.10 kg → 112.60 kg
- New price
- — → 10 745 €
Engine
- Displacement
- 449 cc
- Power
- 63.0 ch (46.3 kW)
- Engine type
- Monocylindre, 4 temps
- Cooling
- liquide
- Compression ratio
- 12.5 : 1
- Bore × stroke
- 96 x 62.1 mm
- Valves/cylinder
- 4
- Camshafts
- 2 ACT
- Fuel system
- Injection Ø 44 mm
Chassis
- Frame
- périmétrique en aluminium
- Gearbox
- boîte à 5 rapports
- Final drive
- Chaîne
- Front suspension
- Fourche téléhydraulique inversée Ø 49 mm, déb : 305 mm
- Rear suspension
- Mono-amortisseur, déb : 307 mm
Brakes
- Front brakes
- Freinage 1 disque Brembo Ø 270 mm, étrier 2 pistons
- Rear brakes
- Freinage 1 disque Nissin Ø 240 mm, étrier simple piston
- Front tyre
- 80/100-21
- Front tyre pressure
- 1.00 bar
- Rear tyre
- 120/80-19
- Rear tyre pressure
- 1.00 bar
Dimensions
- Seat height
- 960.00 mm
- Fuel capacity
- 6.20 L
- Weight
- 112.60 kg
- New price
- 10 745 €
Standard equipment
- Nombre de mode de conduite : 2
- Jantes à rayon
- Bluetooth
- Aide au départ arrêté (Launch Control)
- Contrôle de traction
Indicators & positioning
Weight-to-power ratio
0.55 ch/kg
Volumetric power
138.3 ch/L
In category Cross / motocross · 225-898cc displacement (384 motorcycles compared)
Power 62 ch Top 10%
17 ch median 47 ch 63 ch
Weight 113 kg Lighter than 21%
103 kg median 109 kg 132 kg
P/W ratio 0.55 ch/kg Top 10%
0.13 median 0.46 0.58 ch/kg
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