R25


Production Model Years
   1950 - 1951

Frame and Engine Numbers

   Frame numbers
    220001 - 243400
    ———
   Engine numbers
    220001 - 243400

Model Specifications
Drivetrain
Displacement247cc
Cylinders1
Bore x Stroke (mm)68 x 68
HP @ RPM12 @ 5600
Compression Ratio6.5:1
ValvesOHV, 2 per cylinder
ClutchDry, single plate, cable operated
Transmission4 speed, foot shifted
Final DriveDriveshaft
Running Gear
FrameTubular steel double cradle
Front SuspensionUndamped telescopic fork
Rear SuspensionPlunger
Front Brakes160mm drum, single leading shoe
Rear Brakes160mm drum, single leading shoe
Electrical
IgnitionBattery/coil
Spark PlugsBosch W240
GeneratorNoris ZLZ 6/45/60/1 6V 45W
Capacities & Measurements
Weight132kg
Fuel12l
Wheelbase1353mm
Top Speed97kph
Number Produced23400



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.