R50/2 / R50US


Production Model Years
   1961 - 1969

Frame and Engine Numbers

   Frame numbers
    630001 - 649037
    ———
   Engine numbers
    630001 - 649037

Model Specifications
Drivetrain
Displacement497cc
Cylinders2
Bore x Stroke (mm)68 x 68
HP @ RPM26 @ 5800
Compression Ratio7.5:1
ValvesOHV, 2 per cylinder
ClutchDry, single plate, cable operated
Transmission4 speed, foot shifted
Final DriveDriveshaft
Running Gear
FrameTubular steel double cradle
Front SuspensionEarles type swingarm fork (R50/2)
Hydraulically damped telescopic fork (R50US)
Rear SuspensionTwin shock swingarm
Front Brakes200mm drum, dual leading shoe
Rear Brakes200mm drum, single leading shoe
Electrical
IgnitionMagneto
Spark PlugsBosch W240 (W240T2 for LK heads 1967-69)
GeneratorBosch LJ/CGE 60/6/1700 6V 60W
Capacities & Measurements
Weight195kg
Fuel17l
Wheelbase1415mm (1450mm in sidecar configuration)
Top Speed140kph
Number Produced19037
R50US models produced 1967-69 and serial numbers not distinguished.


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.