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R 850 C
   
. Data sheet
. Back to Models
Production
Begin of Production   1998
End of Production   2001
Number Sold   1.505
Price   23.400,- DM
Engine
Motor Type   four-stroke, two-cylinder, horizontally-opposed "Boxer" engine, air-cooled
Bore x Stroke   87,8 x 70,5 mm
Cubic Capacity   848 ccm
Max Power   50 hp (37 KW) at 5250 rpm
Max Torque   71 Nm at 4750 rpm
Compression Ratio   10.3 : 1
Valves per Cylinder   4
Valve Control   hc, using chain drive, cup tappets, push rod and rocker arm
Carburation System   electronic injection, Bosch Motronic MA 2.4
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   2,05 / 1,60 / 1,27 / 1,04 / 0,80 :1
Rear Wheel Ratio   1 : 2.75
Bevel / Crownwheel   12 / 33 teeth
Electrical system
Ignition   electronic ignition, Bosch Motronic MA 2.4
Alternator   12 V 700 W
Starter   1.1 kW
Spark Plugs   Bosch FR6 DDC
 
Chassis
Type of Frame   3-part tubular space frame, engine serving as load-bearing component
Front Suspension   BMW Telelever fork with longitudinal control arm and central strut
Rear Suspension   BMW Paralever swinging arm
Spring Travel front/rear   144 / 100 mm
Rims front   BMW cross-spoke wheels 2.50 x 18 MT H2
Rims rear   BMW cross-spoke wheels 4,00 x 15 MT H2
Tyres front   100/90 18 56H
Tyres rear   170/80 B15 83 H
Brakes front   dual disc brake 305 mm dia
Brakes rear   single disc brake 285 mm dia
Dimensions / Weights
Length x Width x Height   2340 x 1050 x 1130 mm
Wheel Base   1650 mm
Tank Capacity   17 l
Unladen Weight, full Tank   193 kg
Max permissible Weight   450 kg
Ground Clearance   172 mm
Fuel Consumption   4,6 l/100 km (at constant 90 kph)
Top Speed   155 kph
Acceleration 0-100 kph   6,9 sec