Parts list – conversion from 6V to 12V for R51/3 – R68, R50 – R69S
This list shows the part numbers for all parts that need to be changed in case of a conversion to 12V
Disassembly of an R27 engine
This video shows the disassembly of an R27 engine, including some basic measurements of the crankshaft. Click this image to watch the video on Youtube: