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K 100 RS (4-Valve)

K 100 RS (4-Valve)
. Data sheet
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Begin of Production 1989
End of Production 1992
Number Sold 12.666
Price 19.950,- DM
Motor Type four-stroke, horizontal four-cylinder in-line engine, liquid-cooled
Bore x Stroke 67 x 70 mm
Cubic Capacity 987 ccm
Max Power 100 hp (74 KW) at 8000 rpm
Max Torque 100 Nm at 6750 rpm
Compression Ratio 11.0 : 1
Valves per Cylinder 4
Valve Control DOHC, using drive chain and cup tappets
Carburation System electronic injection, Bosch Motronic MA 2.1
Engine Lubrication wet sump
Power transmission
Clutch dry single plate
Number of Gears 5
Gear Selection dog-type gearbox (ratchet foot lever)
Gear Ratios 4.50 / 2.96 / 2.30 / 1.88 / 1.61 :1
Rear Wheel Ratio 1 : 2.81
Bevel / Crownwheel 11 / 31 teeth
Electrical system
Ignition electronic ignition, Bosch Motronic MA 2.1
Alternator 12 V 460 W
Starter 0.7 kW
Spark Plugs Bosch XR 5 DC, Beru 12 R-5 DU
Type of Frame tubular space frame, engine serving as load-bearing component
Front Suspension telescopic fork with hydraulic shock absorber
Rear Suspension BMW Paralever swinging arm
Spring Travel front/rear 135 / 140 mm
Rims front 3.50-17 MT H 2
Rims rear 4.50-18 MT H 2
Tyres front 120/70-ZR 17
Tyres rear 160/60-ZR 18
Brakes front dual-disc brake 305 mm dia
Brakes rear single disc brake 285 mm dia
Dimensions / Weights
Length x Width x Height 2230 x 875 x 1260 mm
Wheel Base 1565 mm
Tank Capacity 22 l
Unladen Weight, full Tank 235 kg
Max permissible Weight 480 kg
Ground Clearance 140 mm
Fuel Consumption 4,7 l/100 km (at constant 90 kph)
Top Speed 232 kph
Acceleration 0-100 kph 3,9 sec
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