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R 850 C

R 850 C
. Data sheet
. Back to Models
Begin of Production 1998
End of Production 2001
Number Sold 1.505
Price 23.400,- DM
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
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
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