R25/3


Production Model Years
   1953 - 1956

Frame and Engine Numbers

   Frame numbers
    284001 - 331705
    ———
   Engine numbers
    284001 - 331705

Model Specifications
Drivetrain
Displacement245cc
Cylinders1
Bore x Stroke (mm)68 x 68
HP @ RPM13 @ 5600
Compression Ratio7.0:1
ValvesOHV, 2 per cylinder
ClutchDry, single plate, cable operated
Transmission4 speed, foot shifted
Final DriveDriveshaft
Running Gear
FrameTubular steel double cradle
Front SuspensionHydraulically damped telescopic fork
Rear SuspensionPlunger
Front Brakes160mm drum, single leading shoe
Rear Brakes160mm drum, single leading shoe
Electrical
IgnitionNoris magneto
Spark PlugsBosch W240
GeneratorNoris ZLZ 6/45/60/3 6V 45W
Capacities & Measurements
Weight150kg
Fuel12l
Wheelbase1365mm
Top Speed115kph
Number Produced47700



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.