2 cylinder crankshaft identification

Flow chart to identify a 2 cylinder crankshaft. Click on the flow chart and table for larger images, click <- arrow in your browser to return to this page.                                                            

Flywheel R69

The R69 flywheel differs from the other / 2 flywheels because of the position of the ignition marks:

Motorcycle models

Overview of  BMW motorcycle models produced from 1948 to 1969 (specials not included) Click for larger image: Models & Production Numbers