Key performance
27 ch
Power
249 cc
Displacement
105 kg
Weight
955 mm
Seat height
7.9 L
Fuel capacity
Compare the Kawasaki KX 250 with: Choose a motorcycle →
Technical specifications
Changements 1990 → 2010
- Power
- 52.5 ch @ 8000 tr/min (38.3 kW) → 27.0 ch (19.7 kW)
- Torque
- 47.5 Nm @ 7500 tr/min → 26.0 Nm
- Engine type
- Single cylinder, two-stroke → Single cylinder, four-stroke
- Compression ratio
- — → 13.2:1
- Bore × stroke
- 67.4 x 70.0 mm (2.7 x 2.8 inches) → 77.0 x 53.6 mm (3.0 x 2.1 inches)
- Valves/cylinder
- — → 4
- Fuel system
- Carburettor → Carburettor. Keihin FCR37 and hot start circuit
- Valve timing
- — → Double Overhead Cams/Twin Cam (DOHC)
- Ignition
- CDI → Digital CDI with K-TRIC throttle position sensor
- Starter
- Kick → —
- Frame
- — → Aluminum perimeter
- Final drive
- — → Chain (final drive)
- Clutch
- — → Wet, multiple discs, cable operated
- Front suspension
- Inverted Forks → 47mm inverted Showa twin-chamber telescopic fork with 16-way compression and rebound damping / 12.4 in.
- Rear suspension
- Monoshock → UNI-TRAK linkage system and Showa shock with 13-way low-speed and stepless high-speed compression damping, 17-way rebound damping and fully adjustable spring preload / 12.2 in.
- Front wheel travel
- 310 mm (12.2 inches) → 231 mm (9.1 inches)
- Rear wheel travel
- 330 mm (13.0 inches) → 205 mm (8.1 inches)
- Front brakes
- Single disc → Single disc. Two-piston calipers.
- Rear brakes
- Single disc → Single disc. Single-piston caliper.
- Front tyre
- 80/100-21 51 → 80/100-21
- Rear tyre
- 110/90-19 62 → 100/90-19
- Seat height
- — → 955.00 mm
- Wheelbase
- 1480.00 mm → 1471.00 mm
- Ground clearance
- 385.00 mm → 340.00 mm
- Length
- 2177.00 mm → 2169.00 mm
- Width
- 815.00 mm → 820.00 mm
- Height
- 1215.00 mm → 1270.00 mm
- Fuel capacity
- 8.50 L → 7.94 L
- Weight
- — → 105.00 kg
- Dry weight
- 96.50 kg → 137.00 kg
Engine
- Displacement
- 249 cc
- Power
- 27.0 ch (19.7 kW)
- Torque
- 26.0 Nm
- Engine type
- Single cylinder, four-stroke
- Cooling
- Liquid
- Compression ratio
- 13.2:1
- Bore × stroke
- 77.0 x 53.6 mm (3.0 x 2.1 inches)
- Valves/cylinder
- 4
- Fuel system
- Carburettor. Keihin FCR37 and hot start circuit
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
- Ignition
- Digital CDI with K-TRIC throttle position sensor
Chassis
- Frame
- Aluminum perimeter
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Clutch
- Wet, multiple discs, cable operated
- Front suspension
- 47mm inverted Showa twin-chamber telescopic fork with 16-way compression and rebound damping / 12.4 in.
- Rear suspension
- UNI-TRAK linkage system and Showa shock with 13-way low-speed and stepless high-speed compression damping, 17-way rebound damping and fully adjustable spring preload / 12.2 in.
- Front wheel travel
- 231 mm (9.1 inches)
- Rear wheel travel
- 205 mm (8.1 inches)
Brakes
- Front brakes
- Single disc. Two-piston calipers.
- Rear brakes
- Single disc. Single-piston caliper.
- Front tyre
- 80/100-21
- Rear tyre
- 100/90-19
Dimensions
- Seat height
- 955.00 mm
- Wheelbase
- 1471.00 mm
- Ground clearance
- 340.00 mm
- Length
- 2169.00 mm
- Width
- 820.00 mm
- Height
- 1270.00 mm
- Fuel capacity
- 7.94 L
- Weight
- 105.00 kg
- Dry weight
- 137.00 kg
Indicators & positioning
Weight-to-power ratio
0.26 ch/kg
Torque / weight
0.25 Nm/kg
Volumetric power
108.4 ch/L
In category Cross / motocross · 125-498cc displacement (474 motorcycles compared)
Power 27 ch Top 66%
11 ch median 43 ch 63 ch
Weight 105 kg Lighter than 68%
84 kg median 108 kg 129 kg
P/W ratio 0.26 ch/kg Top 75%
0.10 median 0.42 0.56 ch/kg
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