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R 100/7
   
. Data sheet
. Back to Models
Production
Begin of Production   1976
End of Production   1978
Number Sold   12.056
Price   8.590,- DM
Engine
Motor Type   four-stroke, two-cylinder, horizontally-opposed "Boxer" engine, air-cooled
Bore x Stroke   94 x 70,6 mm
Cubic Capacity   980 ccm
Max Power   60 hp (44,1 KW) at 6500 rpm
Max Torque   73,5 Nm at 4000 rpm
Compression Ratio   9.1 : 1
Valves per Cylinder   2
Valve Control   ohv, using push rod and rocker arm
Carburation System   2 constant depression carburettors, Bing 64/32/19-64/32/20
Engine Lubrication   wet sump
Power transmission
Clutch   dry single plate, with diaphragm spring
Number of Gears   5
Gear Selection   dog-type gearbox (ratchet foot lever)
Gear Ratios   4.4 / 2.86 / 2.07 / 1.67 / 1.50 :1 (optional sport version 3.38 / 2.43 / 1.93 / 1.67 / 1.50)
Rear Wheel Ratio   1 : 3.09 or 1 : 3.2
Bevel / Crownwheel   11 / 34 teeth or 10 / 32 teeth
Electrical system
Ignition   battery ignition
Alternator   Bosch 12 V/240 W
Starter   Bosch 0.6 hp
Spark Plugs   Bosch W 200 T 30/Beru 200/14/3 A/Champion N 7 Y
 
Chassis
Type of Frame   double-loop tubular frame with bolt-on rear section
Front Suspension   telescopic fork with hydraulic shock absorber
Rear Suspension   long swinging arm with adjustable strut
Spring Travel front/rear   200 / 125 mm
Rims front   1.85 B 19
Rims rear   2.15 B 18
Tyres front   3.25 H 19
Tyres rear   4.00 H 18
Brakes front   single disc brake 260 mm dia
Brakes rear   simplex drum brake 200 mm dia
Dimensions / Weights
Length x Width x Height   2130 (from 1978: 2210) x 746 x 1080 mm
Wheel Base   1465 mm
Tank Capacity   24 l
Unladen Weight, full Tank   215 kg
Max permissible Weight   398 kg
Ground Clearance   165 mm
Fuel Consumption   5,5 l/100 km (at constant 90 kph)
Top Speed   188 kph
Acceleration 0-100 kph   5,1 sec