Kawasaki Zephyr 750 (1996-97) vs Kawasaki BJ 250 Estrella RS (1996-99)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki |
| Model: | Zephyr 750 | BJ 250 Estrella RS |
| Years: | 1996-97 | 1996-99 |
| Engine: | Four stroke, transverse four cylinder , DOHC, 2 valves per cylinder | Four stroke, single cylinder, SOHV , 2 valves |
| Capacity: | 738 cc / 45.6 cu-in | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 66 x 54 mm | 66 X 63 mm |
| Cooling System: | Air cooled, | Air cooled |
| Compression Ratio: | 9.5:1 | 9.0:1 |
| Lubrication: | Wet sump | Wet sump |
| Induction: | 4x 32mm Keihin carburetors | Carburetor |
| Ignition: | Analogue CDI (Capacitive Discharge | CDI |
| Starting: | Electric | Electric |
| Max Power: | 71 hp / 52.6 kW @ 9500 rpm | 20 hp / 14.9 kW @ 6000 rpm |
| Max Torque: | 56.8 Nm / 42.0 lb-ft @ 7300 rpm | 21 Nm / 15.5 lb-ft @ 5000 rpm |
| Clutch: | Wet, multiple discs, cable operated | Wet, multiple discs, cable operated |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | 41mm Telescopic forks no adjustmen | Telescopic forks |
| Front Wheel Travel: | 140 mm / 5.5 in | 120 mm / 4.7 in |
| Rear Suspension: | Dual gas shocks adjustable for preload, rebound, and compression. | Dual shocks |
| Rear Wheel Travel: | 115 mm / 4.5 in | 75 mm / 3.0 in |
| Front Brakes: | 2x 300mm discs 2 piston calipers | Single 300mm disc |
| Rear Brakes: | Single 230mm disc 1 piston caliper | Single 230mm disc |
| Front Tyre: | 120/70 VR17 | 90/90-18 51 P |
| Rear Tyre: | 150/70 VR17 | 110/90-17 60 P |
| Wheelbase: | 1455 mm / 57.2 in | 1400 mm / 55.1 in |
| Seat Height: | 770 mm / 30.3 in | 745 mm / 29.3 in - 775 mm / 30.5 in adjustable |
| Dry Weight: | 201 kg / 443 lbs | 142 kg / 313 lbs |
| Wet Weight: | 220 kg / 485 lbs | 156 kg / 344 lbs |
| Fuel Capacity: | 17 Litres / 4.4 US gal | 14 Litres / 3.7 US gal |