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BMW R 100S (1979-80) technical specifications

BMW R 100S technical specifications

BMW R 100S is produced in 1979-80. Engine is Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder, displacement 980 cc / 59.8 cu in , produces power 51 kW / 70 hp @ 7000 rpm and 76 Nm / 7.7 kgf-m / 56 ft-lb @ 6000 rpm. BMW R 100S top speed is 190.7 km/h / 118.5 mph. BMW R 100S wet weight is 220 kg / 484 lbs. BMW R 100S has 3 photos.

Technical specifications

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Model: R 100S
Years: 1979-80
Engine: Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Capacity: 980 cc / 59.8 cu in
Bore x Stroke: 94 x 70.6 mm
Cooling System: Air cooled
Compression Ratio: 9.5:1
Lubrication: Wet sump
Induction: 2 x constant depression carburettors, Bing 94/40/105 - 94/40/106
Ignition: Battery ignition
Alternator: Bosch 12V/240 W
Battery: Bosch 0.6 hp (from 1978: 0.7 Kw)
Starting: Electric
Max Power: 51 kW / 70 hp @ 7000 rpm
Max Torque: 76 Nm / 7.7 kgf-m / 56 ft-lb @ 6000 rpm
Clutch: Dry single plate, with diaphragm spring
Transmission: 5 Speed
Gear Ratio: 1st 4.4 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50 : 1
Gear Ratio Sport Version: 1st 3.38 / 2nd 2.43 / 3rd 1.93 / 4th 1.67 / 5th 1.50
Rear Wheel Ratio: 1:2.91 or 1:3.00
Frame: Double sown tubs, dual cradle
Front Suspension: Telescopic fork with hydraulic shock absorber.
Front Wheel Travel: 200 mm / 7.8 in
Rear Suspension: Long swinging arm with adjustable strut.
Rear Wheel Travel: 125 mm / 4.9 in
Front Brakes: 2 x ∅260mm Discs, 2 piston calipers
Rear Brakes: ∅260mm Drum
Front Wheel: 1.85 B 19
Rear Wheel: 2.15 B 18
Front Tyre: 3.25-19
Rear Tyre: 4.00-18
Dimensions: Length 2130 mm / 83.8 in Width 746 mm / 29.37 in Height 1210 mm / 47.6 in
Wheelbase: 1465 mm / 57.67 in
Seat Height: 820 mm / 32.3 in
Ground Clearance: 165 mm / 6.49 in
Wet Weight: 220 kg / 484 lbs
Fuel Capacity: 24 Litres / 6.3 US gal
Consumption Average: 5.2 L/100 km / 19.1 km/l / 45 US mpg
Standing ¼ Mile: 12.974 sec. / 166.3 km/h / 103.32 mph
Top Speed: 190.7 km/h / 118.5 mph
Road Test: Cycle 1977

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