Technical specifications
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| Model: |
R 100CS |
| Years: |
1981-82 |
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Engine:
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Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
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Capacity:
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980 cc / 59.8 cu in.
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Bore x Stroke:
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94 x 70.6 mm
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Cooling System:
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Air cooled
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Compression Ratio:
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9.5:1
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Induction:
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2x Constant depression carburetors, Bing 94/40/111 - 94/40/112
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Ignition:
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Battery ignition
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Alternator:
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Bosch 12V/240 W
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Starting:
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Electric
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Max Power:
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51 kW / 70 hp @ 7000 rpm
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Max Torque:
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76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm
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Clutch:
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Dry single plate, with diaphragm spring
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Transmission:
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5 Speed
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Gear Ratio:
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1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1
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Gear Ratio Sport Version:
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1st 3.38 / 2nd 2.43 / 3rd 1.93 / 4th 1.67 / 5th 1.50:1
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Rear Wheel Ratio:
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1:2.91 or 1:3.00
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Bevel / Crown wheel:
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11/32 teeth or 10/32 teeth
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Final Drive:
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Shaft
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Frame:
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Double sown tubs, dual cradle
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Front Suspension:
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Telescopic fork with hydraulic shock absorber.
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Front Wheel Travel:
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200 mm / 7.8 in
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Rear Suspension:
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Long swinging arm with adjustable strut.
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Rear Wheel Travel:
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125 mm / 4.9 in
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Front Brakes:
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Single ∅260mm disc
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Rear Brakes:
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200 Drum
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Front Wheel:
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2.15 - B19
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Rear Wheel:
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2.50 - B18
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Front Tyre:
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3.25 - H19
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Rear Tyre:
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4.00 - H18
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Dimensions:
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Length 2110 mm / 83.07 in Width 746 mm / 29.4 in Height 1210 mm / 47.6 in
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Wheelbase:
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1465 mm / 57.67 in
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Seat Height:
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820 mm / 32.3 in
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Ground Clearance:
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165 mm / 6.49 in
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Wet Weight:
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220 kg / 484 lbs
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Fuel Capacity:
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24 L / 6.3 US gal
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Consumption Average:
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4.8 L/100 km / 20.8 km/l / 49 US mpg
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Standing ¼ Mile:
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12.9 sec / 168.7 kmh / 104.8 mph
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Top Speed:
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198 km/h / 123 mph
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Road Test:
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Cycle World 1981
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