Kawasaki Z-X10R Ninja (2017) vs Kawasaki BJ 250 Estrella (2007-10) vs Kawasaki Z1 900 (1972)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki | Kawasaki |
| Model: | Z-X10R Ninja | BJ 250 Estrella | Z1 900 |
| Years: | 2017 | 2007-10 | 1972 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, single cylinder, SOHV , 2 valves | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. |
| Capacity: | 998 cc / 60.9 cu-in | 249 cc / 15.2 cu-in | 903 cc / 55.1 cu-in |
| Bore x Stroke: | 76 x 55 mm | 66 X 63 mm | 66 x 66 mm |
| Compression Ratio: | 13:1 | 9.0:1 | 8.5:1 |
| Cooling System: | Liquid cooled | Air cooled | Air cooled |
| Lubrication: | Forced lubrication, wet sump with oil cooler | Wet sump | Wet sump, trachoid pump |
| Induction: | DFI® with four 47mm Keihin throttle bodies, two injectors per cylinder | Carburetor | 4 x 28mm Mikuni VM28SC |
| Ignition: | TCBI with digital advance and Sport-Kawasaki Traction Control (S-KTRC) | CDI | Battery and coil |
| Starting: | Electric | Electric | Electric & kick |
| Max Power: | 146 kW / 200 hp @ 13000 rpm | 20 hp / 14.9 kW @ 6000 rpm | 82 hp / 59.8 kW @ 8500 rpm |
| Max Torque: | 113.5 Nm / 83.7 lb-ft @ 11600 rpm | 21 Nm / 15.5 lb-ft @ 5000 rpm | 73.5 Nm / 54.3 lb-ft @ 7000 rpm |
| Clutch: | Wet multi-disc, manual | Wet, multiple discs, cable operated | Wet, multi-plate |
| Transmission: | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Sealed Chain | Chain | Chain |
| Front Suspension: | 43mm inverted Showa Balance Free Fork, adjustable stepless rebound and compression damping, spring preload adjustability | Telescopic forks | 36mm Telescopic forks |
| Rear Suspension: | Horizontal back-link with gas-charged shock, stepless, dual-range (low/high-speed) compression damping, stepless rebound damping, fully adjustable spring preload | Dual shocks | Dual shock, 5-way preload adjustment |
| Front Brakes: | 2x 330 mm floating discs, dual radial-mounted 4-piston callipers | Single 300mm disc | Single 296mm disc 2 piston caliper |
| Rear Brakes: | Single 220mm disc with aluminum single-piston caliper | Single 230mm disc | 200mm drum |
| Front Tyre: | 120/70 ZR17 | 90/90-18 51 P | 3.25 H19 |
| Rear Tyre: | 190/55 ZR17 | 110/90-17 60 P | 4.00 S18 |
| Dimensions: | Length 2090 mm / 82.3 in Width 739 mm / 29.1 in Height 1145 mm / 45.1 in | Length 2090 mm / 82.2 in Width 780 mm / 30.7 in Height 1035 mm / 40.7 in | Length 2209.8 mm / 87.0 in. |
| Wheelbase: | 1440 mm / 56.7 in | 1400 mm / 55.1 in | 1498.6 mm / 59.0 in |
| Seat Height: | 835 mm / 32.9 in | 745 mm / 29.3 in - 775 mm / 30.5 in adjustable | 812.8 mm / 32.0 in. |
| Wet Weight: | 204 kg / 449.8 lbs ABS 206 kg / 454.2 lbs | 156 kg / 344 lbs | 247.6 kg / 546 lbs |
| Fuel Capacity: | 17 Litres / 4.5 gal | 14 Litres / 3.7 US gal | 18 Litres / 4.7 gal |