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Production Model Years
   1970 - 1973

Frame and Engine Numbers

   Frame numbers
    2970001 - 3000000
    4000001 - 4008371
    4009001 - 4010000
   Engine numbers
    2970001 - 3000000
    4000001 - 4008371
    4009001 - 4010000


Model Documentation


Model Specifications

Bore x Stroke (mm)82 x 70.6
HP @ RPM50 @ 6200
Compression Ratio9.0:1
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 SuspensionTwin shock swingarm
Front Brakes200mm drum, dual leading shoe
Rear Brakes200mm drum, single leading shoe
Spark PlugsBosch W6DC
GeneratorBosch G1 14 13V 19A 180W
Capacities & Measurements
Weight210kg (from 1971, 205kg)
Fuel24l (from 1971, 17l)
Wheelbase1385mm, LWB models: 1435mm
Top Speed175kph
Number Produced38370
First civilian 12V bikes. First electric start bikes. First production bikes with a tachometer.

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.