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 Specifications
Drivetrain
Displacement987cc
Cylinders4
Bore x Stroke (mm)67 x 70
HP @ RPM100 @ 8000
Compression Ratio11:1
ValvesDOHC, 4 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 305mm hydraulic disc four piston
Rear BrakesSingle Brembo 285mm hydraulic disc twin piston
Electrical
IgnitionElectronic ignition, Bosch Motronic MA 2.1
Spark PlugsBosch XR5DC
GeneratorBosch 12V 460W
Capacities & Measurements
Weight235kg
Fuel22l
Wheelbase1565mm
Top Speed232kph
Number Produced12666
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.