Key performance
449 cc
Displacement
113 kg
Weight
960 mm
Seat height
7.2 L
Fuel capacity
Compare the Kawasaki KX 450F with: Choose a motorcycle →
Technical specifications
Changements 2007 → 2011
- Compression ratio
- 12.0:1 → 12.5:1
- Valves/cylinder
- — → 4
- Fuel system
- Carburettor. Keihin FCR40 → Carburettor. 43mm Keihin throttle body
- Ignition
- Multi-map digital CDI with throttle position sensor (K-TRIC) → Digital DC-CDI
- Frame
- — → Backbone frame, high-tensile steel
- Front suspension
- 48mm inverted, Kayaba AOS with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment / 12.4 in. → Uni-Trak linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression damping, 33-position rebound dampening and fully adjustable spring preload / 12.4 in.
- Rear suspension
- UNI-TRAK® linkage system with 22-position low-speed and variable high-speed compression dampening, 22-position rebound dampening and fully adjustable spring preload / 12.4 in. → Uni-Trak linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression dampening, 33-position rebound dampening and fully adjustable spring preload / 12.4 in.
- Front tyre
- 90/90-21 → 90/100-21
- Seat height
- 965.00 mm → 960.00 mm
- Wheelbase
- 1486.00 mm → 1481.00 mm
- Ground clearance
- 345.00 mm → 335.00 mm
- Weight
- — → 113.40 kg
- Dry weight
- 99.80 kg → —
Engine
- Displacement
- 449 cc
- Engine type
- Single cylinder, four-stroke
- Cooling
- Liquid
- Compression ratio
- 12.5:1
- Bore × stroke
- 96.0 x 62.1 mm (3.8 x 2.4 inches)
- Valves/cylinder
- 4
- Fuel system
- Carburettor. 43mm Keihin throttle body
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
- Ignition
- Digital DC-CDI
Chassis
- Frame
- Backbone frame, high-tensile steel
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Front suspension
- Uni-Trak linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression damping, 33-position rebound dampening and fully adjustable spring preload / 12.4 in.
- Rear suspension
- Uni-Trak linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression dampening, 33-position rebound dampening and fully adjustable spring preload / 12.4 in.
Brakes
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 90/100-21
- Rear tyre
- 120/80-19
Dimensions
- Seat height
- 960.00 mm
- Wheelbase
- 1481.00 mm
- Ground clearance
- 335.00 mm
- Length
- 2184.00 mm
- Width
- 820.00 mm
- Height
- 1280.00 mm
- Fuel capacity
- 7.19 L
- Weight
- 113.40 kg
Indicators & positioning
In category Cross / motocross · 225-898cc displacement (383 motorcycles compared)
Weight 113 kg Lighter than 18%
103 kg median 109 kg 132 kg
Similar bikes
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Triumph
Cross / motocrossTF 450-RC
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Displacement 450 cc
Power 59 ch
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