BMW R 100CS (1981-82) vs BMW R 1100R (1996-97)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | R 100CS | R 1100R |
| Years: | 1981-82 | 1996-97 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder |
| Capacity: | 980 cc / 59.8 cu in. | 1085 cc / 66.2 cu in |
| Bore x Stroke: | 94 x 70.6 mm | 99 x 70.5 mm |
| Cooling System: | Air cooled | Air/Oil cooled |
| Compression Ratio: | 9.5:1 | 10.7:1 |
| Induction: | 2x Constant depression carburetors, Bing 94/40/111 - 94/40/112 | Fuel injection |
| Ignition: | Battery ignition | Electronic ignition MA 2.2 Bosch Motronic |
| Alternator: | Bosch 12V/240 W | 12 V 700 W |
| Starting: | Electric | Electric |
| Max Power: | 51 kW / 70 hp @ 7000 rpm | 56.4 kW / 75.6 hp @ 6750 rpm |
| Max Torque: | 76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm | 97 Nm 9.9 kgf-m / 71.5 lb-ft @ 5250 rpm |
| Clutch: | Dry single plate, with diaphragm spring | Dry, single plate, cable operated |
| Transmission: | 5 Speed | 5 Speed |
| Gear Ratio: | 1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1 | 1st 4.16 / 2nd 2.91 / 3rd 2.13 / 4th 1.74 / 5th 1.45:1 |
| Rear Wheel Ratio: | 1:2.91 or 1:3.00 | 1:2.81 |
| Final Drive: | Shaft | Shaft |
| Frame: | Double sown tubs, dual cradle | Steel, backbone frame |
| Front Suspension: | Telescopic fork with hydraulic shock absorber. | Telelever with central spring strut & linear-rate coil spring. Twin-tube gas-filled shock |
| Front Wheel Travel: | 200 mm / 7.8 in | 120 mm / 4.7 in |
| Rear Suspension: | Long swinging arm with adjustable strut. | Paralever swingarm & shaft drive, single-tube gas-filled shock, variable rebound setting |
| Rear Wheel Travel: | 125 mm / 4.9 in | 135 mm / 5.3 in |
| Front Brakes: | Single ∅260mm disc | 2 x ∅305mm discs, 4 piston calipers |
| Rear Brakes: | 200 Drum | Single ∅276mm disc, 2 piston caliper |
| Front Tyre: | 3.25 - H19 | 120/70-17 |
| Rear Tyre: | 4.00 - H18 | 160/60-18 |
| Dimensions: | Length 2110 mm / 83.07 in Width 746 mm / 29.4 in Height 1210 mm / 47.6 in | Length 2197 mm / 86.4 in Width 898 mm / 33.3 in Height 1060 mm / 41.7 in |
| Wheelbase: | 1465 mm / 57.67 in | 1485 mm / 58.5 in |
| Seat Height: | 820 mm / 32.3 in | 780 mm / 30.7 in |
| Ground Clearance: | 165 mm / 6.49 in | 138 mm / 5.43 in |
| Fuel Capacity: | 24 L / 6.3 US gal | 21 Litres / 5.5 US gal |
| Consumption Average: | 4.8 L/100 km / 20.8 km/l / 49 US mpg | 6.4 L/100 km / 15.7 km/l / 36.9m US mpg |
| Standing ¼ Mile: | 12.9 sec / 168.7 kmh / 104.8 mph | 12.3 sec / 171.7 km/h / 106.7 mph |
| Top Speed: | 198 km/h / 123 mph | 203.7 km/h / 126.6 mph |