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K 100 RS (4-Valve)
   
. Data sheet
. Back to Models
Production
Begin of Production   1989
End of Production   1992
Number Sold   12.666
Price   19.950,- DM
Engine
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
 
Chassis
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