Technical specifications
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| Model: |
R 100RS |
| Years: |
1977 |
|
Engine:
|
Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
|
|
Capacity:
|
980 cc / 59.8 cub in.
|
|
Bore x Stroke:
|
94 x 70.6 mm
|
|
Cooling System:
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Air cooled
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Compression Ratio:
|
9.5:1
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|
Lubrication:
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Wet sump
|
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Induction:
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2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106
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|
Ignition:
|
Battery ignition
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|
Alternator:
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Bosch 12V/240 W
|
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Starting:
|
Electric
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|
Max Power:
|
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
|
|
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
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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:
|
Shaft
|
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Frame:
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Double sown tubs, dual cradle
|
|
Front Suspension:
|
Telescopic fork with hydraulic shock absorber.
|
|
Front Wheel Travel:
|
200 mm / 7.8 in
|
|
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
|
|
Front Brakes:
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2 x ∅260mm discs, 2 piston calipers
|
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Rear Brakes:
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Simplex ∅200 mm drum
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Front Wheel:
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2.15 - B19
|
|
Rear Wheel:
|
2.50 - B18
|
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Front Tyre:
|
3.25 - H19
|
|
Rear Tyre:
|
4.00 - H18
|
|
Dimensions:
|
Length 2130 mm / 83.8 in Width 746 mm / 29.37 in Height 1300 mm / 51.8 in
|
|
Wheelbase:
|
1465 mm / 57.67 in
|
|
Seat Height:
|
820 mm / 32.3 in
|
|
Ground Clearance:
|
165 mm / 6.49 in
|
|
Wet Weight:
|
230 kg / 506 lbs
|
|
Fuel Capacity:
|
24 Litres / 6.3 US gal
|
|
Consumption Average:
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4.8 L/100 km / 20.8 km/l / 49 US mpg
|
|
Standing ¼ Mile:
|
13.9 sec / 157 km/h / 97.3 mph
|
|
Top Speed:
|
196 km/h / 121.5 mph
|
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Road Test:
|
Cycle World 1976
|