The Kawasaki Z250 J motorcycle specifications include a 249 cc (15.19 cu in) engine, power of 17 hp (12.4 kW) @ 8,250 rpm, a 6-speed gearbox, and a listed weight of 166 kg (366 lb).
Key specifications
Year-specific specification changes
How the Kawasaki Z250 J 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 77% lower than the Kawasaki database average. Around the 9th percentile across Kawasaki models.
About 64% lower than the Kawasaki database average. Around the 24th percentile across Kawasaki models.
About 20% lighter than the Kawasaki database average. Around the 27th percentile across Kawasaki models.
About 12% smaller than the Kawasaki database average. Around the 31st 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.
17 hp — more powerful than about 9% of Kawasaki models with power data.
249 cc — larger displacement than about 24% of Kawasaki models.
166 kg — heavier than about 27% of Kawasaki models, or lighter than about 73%.
13.5 L — larger than about 31% of Kawasaki fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.00-18 |
|---|---|
| Rear tire size | 3.50-18 |
| Power-to-weight ratio | 0.102 hp/kg |
| Power-to-weight | 102.4 hp/tonne |
| Specific power | 68.3 hp/L |
| Bore/stroke ratio | 1.05:1 (Oversquare) |
Model information
| Category | Unspecified category |
|---|
Engine specifications
| Engine type | Twin, four-stroke |
|---|---|
| Displacement | 249 cc (15.19 cu in) |
| Power | 17 hp (12.4 kW) @ 8,250 rpm |
| Bore × stroke | 55.0 x 52.4 mm (2.2 x 2.1 inches) |
| Compression ratio | 9.5:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel control | Overhead Cams (OHC) |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 3.00-18 |
| Rear tire | 3.50-18 |
Dimensions and weight
| Wet weight | 166 kg (366 lb) |
|---|
Fuel and emissions
| Fuel capacity | 13.50 L (3.57 US gal) |
|---|
Performance
| Top speed | 115.0 km/h (71.5 mph) |
|---|
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.