The Kawasaki KX 250 motorcycle specifications include a 249 cc (15.19 cu in) engine, power of 52.5 hp (38.3 kW) @ 8,000 rpm, a 5-speed gearbox, and a listed weight of 96.5 kg (212.7 lb).
Key specifications
1990, 2002, 2004, 2005, 2006Model years
249 ccDisplacement
52.5 hpPower
47.5 Nm @ 7,500 rpmTorque
96.5 kgDry weight
8.5 LFuel tank
1,480 mmWheelbase
385 mmGround clearance
Model years covered
19902002200420052006
Year-specific specification changes
The 1990 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Bore × stroke
2005200666.4 x 72 mm (2.6 x 2.8 inches)
Dry weight
2002200597 kg (213.8 lb)
200697 kg (213.9 lb)
Front suspension
200548mm twin chamber inverted cartridge-type telescopic fork
200648mm inverted cartridge-type telescopic fork with 16-way compression and rebound damping / 11.8 in.
Front tire
200280/100-21
200580/90-21
200680/90-M21
Fuel system
20052006Carburettor. Keihin PWK38S with Power Jet
Rear suspension
2005New UNI-TRAK® swingarm, single shock
2006UNI-TRAK® linkage system with 18-way low-speed compression and 2-turn high-speed compression damping, plus 16-way rebound damping and fully adjustable spring preload / 12.2 in.
Rear tire
2002110/90-19
2005110/90-19
2006110/90-M19
Torque
200449.0 Nm (5.0 kgf-m or 36.1 ft.lbs)
Wheelbase
20021,481 mm (58.3 inches)
200520061,481 mm (58.3 inches)
Ground clearance
20052006340 mm (13.4 inches)
Overall height
200520061,265 mm (49.8 inches)
Overall length
20022,174 mm (85.6 inches)
200520062,184 mm (86.0 inches)
Power/weight ratio
20020.5732 hp/kg
20040.5773 hp/kg
How the Kawasaki KX 250 compares
This compares the motorcycle with all Kawasaki models in this specifications database. The blue marker is this model and the grey line is the Kawasaki database average.
Engine power52.5 hp
Low 10 hpAverage 73.9 hpHigh 203.3 hp
About 29% lower than the Kawasaki database average. Around the 47th percentile across Kawasaki models.
Displacement249 cc
Low 84 ccAverage 687 ccHigh 1,700 cc
About 64% lower than the Kawasaki database average. Around the 24th percentile across Kawasaki models.
Fuel capacity8.5 L
Low 3.8 LAverage 15.3 LHigh 24 L
About 44% smaller than the Kawasaki database average. Around the 18th percentile across Kawasaki models.
This model Kawasaki database average
Mechanical overview
Engine layout snapshot
Single cylinder, two-stroke • 249 cc • Liquid cooled • 52.5 hp
Chassis snapshot
Wheelbase 1,480 mmClearance 385 mm
5-speed • 80/100-21 51 front / 110/90-19 62 rear
Additional useful specifications
| Front tire size |
80/100-21 51 |
| Rear tire size |
110/90-19 62 |
| Front tire width |
80 mm |
| Front tire aspect ratio |
100% |
| Front rim diameter |
21 in |
| Rear tire width |
110 mm |
| Rear tire aspect ratio |
90% |
| Rear rim diameter |
19 in |
| Power-to-weight ratio |
0.544 hp/kg |
| Power-to-weight |
544.0 hp/tonne |
| Specific power |
210.8 hp/L |
| Bore/stroke ratio |
0.96:1 (Undersquare) |
Model information
| Category |
Cross / motocross |
Engine specifications
| Engine type |
Single cylinder, two-stroke |
| Displacement |
249 cc (15.19 cu in) |
| Power |
52.5 hp (38.3 kW) @ 8,000 rpm |
| Torque |
47.5 Nm (4.8 kgf-m or 35.0 ft.lbs) @ 7,500 rpm |
| Bore × stroke |
67.4 x 70 mm (2.7 x 2.8 inches) |
| Cooling system |
Liquid |
| Fuel system |
Carburettor |
| Ignition |
CDI |
| Starter |
Kick |
Transmission and drivetrain
Chassis and suspension
| Front suspension |
Inverted Forks |
| Rear suspension |
Monoshock |
| Front wheel travel |
310 mm (12.2 inches) |
| Rear wheel travel |
330 mm (13.0 inches) |
| Rake |
26.5° |
| Trail |
113 mm (4.4 inches) |
Brakes, wheels and tires
| Front brakes |
Single disc |
| Rear brakes |
Single disc |
| Front tire |
80/100-21 51 |
| Rear tire |
110/90-19 62 |
Dimensions and weight
| Dry weight |
96.5 kg (212.7 lb) |
| Overall length |
2,177 mm (85.7 inches) |
| Overall width |
815 mm (32.1 inches) |
| Overall height |
1,215 mm (47.8 inches) |
| Wheelbase |
1,480 mm (58.3 inches) |
| Ground clearance |
385 mm (15.2 inches) |
Fuel and emissions
| Fuel capacity |
8.50 L (2.25 US gal) |
Performance
| Power/weight ratio |
0.5440 hp/kg |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Kawasaki models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Kawasaki information before relying on them. Visit the official Kawasaki website.