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BMW R850C Specifications

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Start of Production

1990

BMW R850C

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End of Production

2000

Numbers Produced

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 (3.45 x 2.77 in)

Displacement

848 cc

Max Power

50 hp (37 KW) at 5,250 rpm

Max Torque

71 Nm / 52 ft lb at 4,750 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 Lubricating System

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)

Gearbox 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 System

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 wheel suspension

BMW Telelever fork with longitudinal control arm and central strut

Rear wheel suspension

BMW Monolever swinging arm

Spring Travel Front/Rear

144 / 100 mm (5.66 x 3.93 in)

Wheel Rims, Front

BMW cross spoke wheels 2.50 x 18 MT H2

Wheel Rims, Rear

BMW cross spoke wheels 4.00 x 15 MT H2

Tyres, Front

100 / 90 18 56 H

Tyres, Rear

170 / 80 B 15 83 H

Brakes, Front

Dual disc brake 305 mm / 12.00 in diameter

Brakes, Rear

Single disc brake 285 mm / 11.22 in diameter

Dimensions/Weights

 

Length x Width x Height

2340 x 1050 x 1130 mm (92.12 x 41.33 x 44.48 in)

Wheel Base

1650 mm / 64.96 in

Fuel Tank Capacity

17 litres / 3.73 gal / 4.49 gal US

Unladen Weight with Full Tank

256 Kg / 564 lb

Max. Permissible Weight

450 Kg / 991 lb

Ground Clearance

172 mm / 6.77 in

Seat Height (Unladen)

740 mm (29.1 inches)

Fuel Consumption

4.6 litres 100 Km (at constant 90 Kph) / 61 mpg / 51 mpg US

Top Speed

155 Kph / 96 mph

Acceleration 0 - 100 Kph / 62 mph

6.9 seconds

Power Graph

BMW R850C Power Graph

 

 

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Check out my other sites at: www.bmridersclub.com & www.boxerman.co.uk