Key performance
63 ch
Power
449 cc
Displacement
110 kg
Weight
955 mm
Seat height
6.2 L
Fuel capacity
9 899 €
New price
Compare the Kawasaki KX450 with: Choose a motorcycle →
Technical specifications
Changements 2025 → 2023
- Engine type
- SQGAeBq25gingle cylinder, four-stroke → Single cylinder, four-stroke
- Cooling
- LC9URyDUpiquid → Liquid
- Compression ratio
- GRIJlCOASsiLuO12.5:1 → 12.5:1
- Bore × stroke
- 96.0 x 62.0 mm (0ifiI7IRF5t53.8 x 2.4 inches) → 96.0 x 62.0 mm (3.8 x 2.4 inches)
- Fuel system
- InjUqGtUc1g71idhCection. DFI® with 44mm Keihin throttle body → Injection. DFI® with 44mm Keihin throttle body
- Valve timing
- DomCa5L5djpQBjuble Overhead Cams/Twin Cam (DOHC) → Double Overhead Cams/Twin Cam (DOHC)
- Ignition
- Digital CDI with 3 Couplegp7pRmy9r Options → Digital CDI with 3 Coupler Options
- Starter
- JiqkItkHY8LG7Electric → Electric
- Frame
- Aluminum perMZkQtOlZf7Zimeter → Aluminum perimeter
- Gearbox
- 5-spPKi0WAeed → 5-speed
- Final drive
- Chain (final dr30FrepAive) → Chain (final drive)
- Clutch
- Wet multi-TpEuaxJadisc, manual → Wet multi-disc, manual
- Front suspension
- 49mm inverted telescopic coil-spring fork with 16-way compression damping aa3znAm7aICuCRdLnd 16-way rebound damping → 49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping
- Rear suspension
- Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speedoHgXhtElm7/19-way low-speed) compression damping, 38-way rebound damping and adjustable preload → Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression damping, 38-way rebound damping and adjustable preload
- Front wheel travel
- jUU2H5jlI4I1L305 mm (12.0 inches) → 305 mm (12.0 inches)
- Rear wheel travel
- 307 mm (12qdLh37BWl.1 inches) → 307 mm (12.1 inches)
- Front brakes
- Single disc.lefXYePJJGLb Dual pistons. → Single disc. Semi-floating petal discs
- Rear brakes
- Single disc. SingleahuPstk6B-piston caliper. → Single disc. Single-piston caliper.
- Front tyre
- 80/100-21 PGOAk54EZ5Md1j → 80/100-21
- Rear tyre
- 120/8WNCWB0-19 → 120/80-19
- Length
- 5.00 mm → 2185.00 mm
- Height
- 1270.00 mm → 1265.00 mm
- Fuel capacity
- 0.20 L → 6.20 L
- Weight
- 5.00 kg → 109.90 kg
- Dry weight
- 105.60 kg → 105.80 kg
- New price
- 10 599 € → 9 899 €
Engine
- Displacement
- 449 cc
- Power
- 63.0 ch (46.3 kW)
- Engine type
- Single cylinder, four-stroke
- Cooling
- Liquid
- Compression ratio
- 12.5:1
- Bore × stroke
- 96.0 x 62.0 mm (3.8 x 2.4 inches)
- Valves/cylinder
- 4
- Camshafts
- 2 ACT
- Fuel system
- Injection. DFI® with 44mm Keihin throttle body
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
- Ignition
- Digital CDI with 3 Coupler Options
- Starter
- Electric
Chassis
- Frame
- Aluminum perimeter
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Clutch
- Wet multi-disc, manual
- Front suspension
- 49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping
- Rear suspension
- Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression damping, 38-way rebound damping and adjustable preload
- Front wheel travel
- 305 mm (12.0 inches)
- Rear wheel travel
- 307 mm (12.1 inches)
Brakes
- Front brakes
- Single disc. Semi-floating petal discs
- Rear brakes
- Single disc. Single-piston caliper.
- 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
- 955.00 mm
- Wheelbase
- 1485.00 mm
- Ground clearance
- 340.00 mm
- Length
- 2185.00 mm
- Width
- 820.00 mm
- Height
- 1265.00 mm
- Fuel capacity
- 6.20 L
- Weight
- 109.90 kg
- Dry weight
- 105.80 kg
- New price
- 9 899 €
Indicators & positioning
Weight-to-power ratio
0.57 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 110 kg Lighter than 49%
103 kg median 109 kg 132 kg
P/W ratio 0.57 ch/kg Top 7%
0.13 median 0.46 0.58 ch/kg
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