R100RS


Production Model Years
   1977 - 1984

Frame and Engine Numbers

   Frame numbers
    6075001 - 6079670
    6080001 - 6085159
    6086001 - 6092865
    6095001 - 6100000
    6180001 - 6183592
    6185001 - 6185519
    6223001 - 6223330
    6225001 - 6227337
    6308001 - 6308050
    6390001 - 6396033
    ———
   Engine numbers
    6075001 - 6079670
    6080001 - 6085159
    6086001 - 6092865
    6095001 - 6100000
    6180001 - 6183592
    6185001 - 6185519
    6223001 - 6223330
    6225001 - 6227337
    6308001 - 6308050
    6390001 - 6396033

Model Specifications
Drivetrain
Displacement980cc
Cylinders2
Bore x Stroke (mm)94 x 70.6
HP @ RPM70 @ 7250
HP @ RPM67 @ 7000 (US: 1980-on)
Compression Ratio9.5:1
Compression Ratio8.2:1 (US: 1980-on)
ValvesOHV, 2 per cylinder
ClutchDry, single plate, cable operated
Transmission5 speed, foot shifted
Final DriveDriveshaft
Running Gear
FrameTubular steel double cradle
Front SuspensionHydraulically damped telescopic fork
Rear SuspensionTwin shock swingarm
Front BrakesTwin ATE 260mm hydraulic disc single piston (Brembo 1981-on)
Rear Brakes200mm drum, single leading shoe
Rear BrakesBrembo 260mm hydraulic disc single piston (1978-on)
Electrical
IgnitionBattery/coil
Spark PlugsBosch W5DC
GeneratorBosch G1 14 13V 21A 240W
Capacities & Measurements
Weight230kg
Fuel24l
Wheelbase1465mm
Top Speed190kph
Number Produced33648
Serial numbers 618xxxx, 6225xxx thru 6227xxx, and 630xxxx were delivered to the United States; the remainder were delivered to 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.