Kawasaki BJ 250 Estrella (1991-95) vs Yamaha XS 1100LH Midnight Special (1981) vs Yamaha XS 1100 Sport (1981)
Comparison technical specifications
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| Make: | Kawasaki | Yamaha | Yamaha |
| Model: | BJ 250 Estrella | XS 1100LH Midnight Special | XS 1100 Sport |
| Years: | 1991-95 | 1981 | 1981 |
| Engine: | Four stroke, single cylinder, SOHV , 2 valves | Four stroke transverse four cylinder, DOHC, 2 valves per cylinder. | Four stroke transverse four cylinder, DOHC, 2 valves per cylinder. |
| Capacity: | 249 cc / 15.2 cu-in | 1101 cc / 67.2 cu-in | 1101 cc / 67.2 cu-in |
| Bore x Stroke: | 66 X 63 mm | 71.5 x 68.6 mm | 71.5 x 68.6 mm |
| Cooling System: | Air cooled | Air cooled | Air cooled |
| Compression Ratio: | 9.0:1 | 9.2:1 | 9.2:1 |
| Lubrication: | Wet sump | Wet sump | Wet sump |
| Induction: | Carburetor | 4x Mikuni BS 34SS Carburettor | 4x Mikuni BS 34SS Carburettor |
| Ignition: | CDI | TCI additional vacuum adjusted! / electric kick starter - Witch is separated from the engine, for emergency mounting only | TCI additional vacuum adjusted! / electric kick starter - Witch is separated from the engine, for emergency mounting only |
| Starting: | Electric | Electric | Electric |
| Max Power: | 20 hp / 14.9 kW @ 6000 rpm | 95 hp / 70.8 kW @ 8500 rpm | 95 hp / 70.8 kW @ 8500 rpm |
| Max Torque: | 21 Nm / 15.5 lb-ft @ 5000 rpm | 9.2 kgf-m / 66.5 lb-ft @ 6500 rpm | 9.2 kgf-m / 66.5 lb-ft @ 6500 rpm |
| Clutch: | Wet, multiple discs, cable operated | Wet, multi-disc (8 drive plates, 7 driven plates) | Wet, multi-disc (8 drive plates, 7 driven plates) |
| Transmission: | 5 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Shaft | Shaft |
| Front Suspension: | Telescopic forks | Telescopic fork. | Telescopic fork. |
| Front Wheel Travel: | 120 mm / 4.7 in | 175 mm / 6.8 in | 175 mm / 6.8 in |
| Rear Suspension: | Dual shocks | Dual shocks Swing arm, preload adjustable | Dual shocks Swing arm, preload adjustable |
| Rear Wheel Travel: | 75 mm / 3.0 in | 80 mm / 3.1 in | 80 mm / 3.1 in |
| Front Brakes: | Single 300mm disc | 2x 298mm discs | 2x 298mm discs |
| Rear Brakes: | Single 230mm disc | Single 298mm disc | Single 298mm disc |
| Front Tyre: | 90/90-18 51 P | 3.50-19 | 3.50-19 |
| Rear Tyre: | 110/90-17 60 P | 130/90 -16 | 4.50-17 |
| Wet Weight: | 156 kg / 344 lbs | 258 kg / 568.7 lbs | 258kg / 568.7 lbs |
| Fuel Capacity: | 14 Litres / 3.7 US gal | 15 Litres / 3.9 US gal | 22 Litres / 5.8 gal |