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K100RS 4-Valve

K100RS 4-Valve
Production Model Years
   1989 - 1992

Frame and Engine Numbers

   Frame numbers
    200001 - 206567
    6405001 - 6410000
    6493001 - 6494091
   Engine numbers
    200001 - 206567
    6405001 - 6410000
    6493001 - 6494091


Model Documentation


Model Specifications

Bore x Stroke (mm)67 x 70
HP @ RPM90 @ 8000
Compression Ratio10.2:1
ValvesDOHC, 2 per cylinder
ClutchDry, single plate, cable operated
Transmission5 speed, foot shifted
Final DriveDriveshaft
Running Gear
FrameTubular space frame, engine stressed member
Front SuspensionHydraulically damped telescopic fork
Rear SuspensionMonolever single shock swingarm
Front BrakesDual Brembo 285mm hydraulic disc twin piston
Rear BrakesSingle Brembo 285mm hydraulic disc twin piston
IgnitionElectronic ignition, Bosch LE Jetronic
Spark PlugsBosch XR5DC
GeneratorBosch 12V 460W
Capacities & Measurements
Top Speed220kph
Number Produced34804
Serial numbers 649xxxx are US production; remainder are for the rest of the world.

The information provided here was obtained from a variety of public sources and may not reflect official BMW archival data.
Please contact the BMW Archives for official data regarding models.