The Kawasaki KX250X motorcycle specifications include a 249 cc (15.19 cu in) engine, a 5-speed gearbox, and a listed weight of 104.4 kg (230.2 lb).
Key specifications
The 2021 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Kawasaki KX250X 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.
About 64% lower than the Kawasaki database average. Around the 24th percentile across Kawasaki models.
About 18% taller than the Kawasaki database average. Around the 97th percentile across Kawasaki models.
About 59% smaller than the Kawasaki database average. Around the 10th percentile across Kawasaki models.
Kawasaki database percentile rankings
Percentiles show where this motorcycle sits across the Kawasaki specifications database. They are descriptive database rankings, not performance ratings.
249 cc — larger displacement than about 24% of Kawasaki models.
945 mm — taller than about 97% of Kawasaki models.
6.2 L — larger than about 10% of Kawasaki fuel tanks in this database.
Dimensions compared with Kawasaki average
Each measurement is compared with the average value across Kawasaki models where that dimension is available.
2,169
2,122
Close to average.
820
833
Close to average.
1,260
1,175
7% above average.
1,486
1,441
3% above average.
945
801
18% above average.
330
187
77% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 80/100-21 |
|---|---|
| Rear tire size | 100/90-19 |
| Front tire width | 80 mm |
| Front tire aspect ratio | 100% |
| Front rim diameter | 21 in |
| Rear tire width | 100 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 19 in |
| Bore/stroke ratio | 1.49:1 (Oversquare) |
Model information
| Category | Cross / motocross |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 249 cc (15.19 cu in) |
| Bore × stroke | 78.0 x 52.2 mm (3.1 x 2.1 inches) |
| Compression ratio | 14.1:1 |
| Cooling system | Liquid |
| Fuel system | Injection. DFI® with 44mm Keihin throttle body and dual injectors |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Digital CDI |
| Starter | Electric |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet multi-disc, manual |
Chassis and suspension
| Frame | Aluminum perimeter |
|---|---|
| Front suspension | 48mm inverted telescopic coil spring fork with 23-way compression damping and 20-way rebound damping |
| Rear suspension | Uni-Trak® with dual-range (2.25 turns high speed/21-way low-speed) compression damping, 38-way rebound damping and adjustable preload |
| Front wheel travel | 315 mm (12.4 inches) |
| Rear wheel travel | 315 mm (12.4 inches) |
| Rake | 27.8° |
| Trail | 130 mm (5.1 inches) |
Brakes, wheels and tires
| Front brakes | Single disc. Petal disc with dual-piston caliper |
|---|---|
| Rear brakes | Single disc. Petal disc with single-piston caliper |
| Front tire | 80/100-21 |
| Rear tire | 100/90-19 |
Dimensions and weight
| Dry weight | 104.4 kg (230.2 lb) |
|---|---|
| Seat height | 945 mm (37.2 inches) |
| Overall length | 2,169 mm (85.4 inches) |
| Overall width | 820 mm (32.3 inches) |
| Overall height | 1,260 mm (49.6 inches) |
| Wheelbase | 1,486 mm (58.5 inches) |
| Ground clearance | 330 mm (13.0 inches) |
Fuel and emissions
| Fuel capacity | 6.21 L (1.64 US gal) |
|---|
Other specifications
| Color options | Lime Green |
|---|---|
| Price as new | US$ 8399. MSRP depends on country, taxes, accessories, etc. |
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.