The Kawasaki Ninja ZX-12R motorcycle specifications include a 1,198 cc (73.10 cu in) engine, power of 178 hp (129.9 kW) @ 10,500 rpm, a 6-speed gearbox, and a listed weight of 210 kg (463 lb).
Key specifications
The 2004 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Kawasaki Ninja ZX-12R 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 141% higher than the Kawasaki database average. Around the 94th percentile across Kawasaki models.
About 74% higher than the Kawasaki database average. Around the 88th percentile across Kawasaki models.
Very close to the Kawasaki database average. Around the 61st percentile across Kawasaki models.
About 24% larger than the Kawasaki database average. Around the 72nd 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.
178 hp — more powerful than about 94% of Kawasaki models with power data.
1,198 cc — larger displacement than about 88% of Kawasaki models.
818 mm — taller than about 61% of Kawasaki models.
18.9 L — larger than about 72% 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.
2,120
2,122
Close to average.
740
833
11% below average.
1,200
1,175
Close to average.
1,450
1,441
Close to average.
818
801
Close to average.
Mechanical overview
Additional useful specifications
| Front tire size | 120/70-17 |
|---|---|
| Rear tire size | 200/50-17 |
| Front tire width | 120 mm |
| Front tire aspect ratio | 70% |
| Front rim diameter | 17 in |
| Rear tire width | 200 mm |
| Rear tire aspect ratio | 50% |
| Rear rim diameter | 17 in |
| Estimated theoretical fuel range | 280 km |
| Power-to-weight ratio | 0.848 hp/kg |
| Power-to-weight | 847.6 hp/tonne |
| Specific power | 148.6 hp/L |
| Bore/stroke ratio | 1.50:1 (Oversquare) |
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 1,198 cc (73.10 cu in) |
| Power | 178 hp (129.9 kW) @ 10,500 rpm |
| Torque | 134.0 Nm (13.7 kgf-m or 98.8 ft.lbs) @ 7,500 rpm |
| Bore × stroke | 83.0 x 55.4 mm (3.3 x 2.2 inches) |
| Compression ratio | 12.2:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Injection |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Starter | Electric |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Multi plate wet |
Chassis and suspension
| Frame | Aluminum monocoque |
|---|---|
| Front suspension | Upside down cartridge forks |
| Rear suspension | Bottom-link, gas charged shock |
| Front wheel travel | 120 mm (4.7 inches) |
| Rear wheel travel | 123 mm (4.8 inches) |
Brakes, wheels and tires
| Front brakes | Double disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 120/70-17 |
| Rear tire | 200/50-17 |
Dimensions and weight
| Dry weight | 210 kg (463 lb) |
|---|---|
| Seat height | 818 mm (32.2 inches) |
| Overall length | 2,120 mm (83.5 inches) |
| Overall width | 740 mm (29.1 inches) |
| Overall height | 1,200 mm (47.2 inches) |
| Wheelbase | 1,450 mm (57.1 inches) |
Fuel and emissions
| Fuel capacity | 18.93 L (5.00 US gal) |
|---|---|
| Fuel consumption | 6.76 L/100 km (14.8 km/l or 34.80 mpg) |
| Greenhouse gases | 156.8 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Performance
| Top speed | 298.0 km/h (185.2 mph) |
|---|---|
| Power/weight ratio | 0.8476 hp/kg |
Other specifications
| Color options | Candy Thunder Blue, Galaxy Silver |
|---|
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.