R50/2 / R50US

R50/2 / R50US
Production Model Years
   1961 - 1969

Frame and Engine Numbers

   Frame numbers
    630001 - 649037
   Engine numbers
    630001 - 649037


Model Documentation


Model Specifications

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
Spark PlugsBosch W240T1 (W240T2 for LK heads 1967-69)
GeneratorBosch LJ/CGE 60/6/1700 6V 60W
Capacities & Measurements
Wheelbase1415mm (1427mm US configuration)
Top Speed140kph
Number Produced19036
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.