Model: R 100 RT Monolever
Production  
Engine  
Power transmission  
Electrical System  
Chassis  
Dimensions/Weights  
     
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Production
Begin of Production   1987
End of Production   1996
Number Sold   9.738
Price   16.150,- 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 KW) at 6500 rpm
Max Torque   74 Nm at 3500 rpm
Compression Ratio   8.45 : 1
Valves per Cylinder   2
Valve Control   ohv, using push rod and rocker arm
Carburation System   2 constant depression carburettors, Bing V 64/32/363-64/32/364
Engine Lubrication   wet sump
Power Transmission
Clutch   dry single plate, with lever-action 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
Rear Wheel Ratio   1 : 3.00
Bevel / Crownwheel   11 / 33 teeth
Electrical System
Ignition   Contact-free electronic ignition (Bosch)
Alternator   Bosch 280 W
Starter   Bosch 0.7 kW
Spark Plugs   Bosch W 7 DC/Beru 14-7 DU/Champion N 9 YC
Chassis
Type of Frame   double-loop tubular frame with bolt-on rear section
Front Suspension   telescopic fork with hydraulic shock absorber
Rear Suspension   BMW Monolever swinging arm
Spring Travel front/rear   175 / 121 mm
Rims front   MTH 2.50 x 18 E
Rims rear   MTH 2.50 x 18 E
Tyres front   90/90 18 51 H
Tyres rear   120/90 18 65 H
Brakes front   single disc brake 285 mm dia
Brakes rear   simplex drum brake 200 mm dia
Dimensions/Weights
Length x Width x Height   2175 x 960 x 1478 mm
Wheel Base   1447 mm
Tank Capacity   22 l
Unladen Weight, full Tank   229 kg
Max permissible Weight   440 kg
Ground Clearance   140 mm
Fuel Consumption   4,3 l/100 km (at constant 90 kph)
Top Speed   185 kph
Acceleration 0-100 kph   5 sec