Yamaha XS 1100E (1978) vs Kawasaki Z 250LTD (1986-87) vs BMW R 1200GS (2006) vs Yamaha YZF 750SP (1996)
Comparison technical specifications
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| Make: | Yamaha | Kawasaki | BMW | Yamaha |
| Model: | XS 1100E | Z 250LTD | R 1200GS | YZF 750SP |
| Years: | 1978 | 1986-87 | 2006 | 1996 |
| Engine: | Four stroke transverse four cylinder, DOHC, 2 valves per cylinder. | Four stroke, single cylinder, SOHC, 2 valve per cylinder | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. |
| Capacity: | 1101 cc / 67.2 cu-in | 248 cc / 15.1 cu-in | 1170 cc / 71.4 in. | 749 cc / 45.7 cu-in |
| Bore x Stroke: | 71.5 x 68.6 mm | 70 x 64.mm | 101 x 73 mm | 72 x 46 mm |
| Cooling System: | Air cooled | Air cooled | Air/oil cooled | Liquid cooled |
| Compression Ratio: | 9.2:1 | 8.9:1 | 11.0:1 | 11.5:1 |
| Induction: | 4x Mikuni BS 34SS Carburettor | Carburetor | Electronic intake pipe injection/digital engine management: BMS-K with overrun fuel cut off, dual ignition | 4x 4 Y Keihin FCRD39/4 |
| Ignition: | TCI additional vacuum adjusted! / electric kick starter - Witch is separated from the engine, for emergency mounting only | CDI | BMS-K | T.C.I. Digital |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 95 hp / 70.8 kW @ 8500 rpm | 27 hp / 20.1 kW@ 10000 rpm | 72 kW / 98 hp @ 7000 rpm | 125 hp / 91.1 kW @ 12000 rpm |
| Max Torque: | 9.2 kgf-m / 66.5 lb-ft @ 6500 rpm | 21 kgf-m @ 8500 rpm | 115 Nm / 11.7 kgf-m / 84.8 ft-lbs @ 5500 rpm | 80.4 Nm / 8.2 kgf-m / 59.3 lb-ft @ 9500 rpm |
| Transmission: | 5 Speed | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Shaft | Chain | Shaft | Chain |
| Front Suspension: | Telescopic fork. | Telescopic forks | Telelever, stanchion ∅41mm, central spring strut, spring preload 9 times mechanically adjustable. | 41mm UD fork, fully adjustable. |
| Rear Suspension: | Dual shocks Swing arm, preload adjustable | Dual shocks | Die-cast aluminium single-sided swinging arm with BMW Motorrad Paralever, WAD strut (travel-related damping), spring pre-load hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable. | Monocross type fully adjustable Öhlins remote reservoir shock, |
| Front Brakes: | 2x 298mm discs | Single disc | 2 x ∅305mm discs, 4 piston caliper | 2x 320mm discs 6 piston calipers |
| Rear Brakes: | Single 298mm disc | Drum | Single ∅265 mm disc, 2 piston caliper | Single 245mm disc 2 piston caliper |
| Front Tyre: | 3.50-19 | 90/90-19 | 110/80 ZR19 | 120/70 ZR17 |
| Rear Tyre: | 4.50-17 | 120/90-16 | 150/70 ZR17 | 180/55 ZR17 |
| Wet Weight: | 258 kg / 568.7 lbs | 143 kg / 315 lbs | 225 kg / 496 lbs | 215 kg / 479 lbs |
| Fuel Capacity: | 22 Litres / 5.8 gal | 12 Litres / 3.1 US gal | 20 Litres / 5.2 US gal | 19 Litres / 4.3 gal |