Kawasaki ZX-R 250 Ninja (1993-94) vs Kawasaki KDX 400 (1979)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki |
| Model: | ZX-R 250 Ninja | KDX 400 |
| Years: | 1993-94 | 1979 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Two stroke, single cylinder. |
| Capacity: | 249 cc / 15.2 cu-in | 392 cc / 23.9 cu-in |
| Bore x Stroke: | 49 x 33.1 mm | 80 x 78 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 12.2:1 | 6.8:1 |
| Induction: | 4x Keihin CVK D30 carburetors | 36mm Mikuni carburetor |
| Ignition: | TCBI | CDI |
| Starting: | Electric | Kick |
| Max Power: | 45 hp / 32.8 kW @ 15000 rpm | 39 hp / 29 kW @ 7000 rpm |
| Max Torque: | 2.6 kgf-m / 24.5 Nm @ 11500 rpm | 42.2 Nm / 31.1 ft-lb @ 6000 rpm |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic forks | Adjustable air forks |
| Front Wheel Travel: | 120 mm / 4.7 in | 259 mm / 10.2 in |
| Rear Suspension: | Uni-track, Swing arm | Dual shock |
| Rear Wheel Travel: | 113 mm / 4.4 in | 230 mm / 9.1 in |
| Front Brakes: | 2x discs 2 piston calipers | Drum |
| Rear Brakes: | Single disc 1 piston caliper | Drum |
| Front Tyre: | 110/70-R17 54H | 3.50 -21 |
| Rear Tyre: | 140/60-R18 64H | 5.00 -18 |
| Wheelbase: | 1360 mm / 53.5 in | 1450 mm / 57.1 in |
| Dry Weight: | 141 kg / 311 lbs | 109 kg / 240 lbs |
| Fuel Capacity: | 15 Litres / 3.4 US gal | 12 Litres / 33 US gal |