List of bearings in the 1 & 2 cylinder engine, gearbox and final drive
Click thumbnail to open the list. R24 – R27 R51/3 – R68 R50 – R69S
Gearbox cam plate comparison
Comparison of the different gearbox cam plates used in the R24 – R27 and R50 – R69S models. For more information about the R50 – R69S shifting system, click following links: Smooth shifting R50 – R69S R50 – R69S Old and New style shifter mechanism
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