Ok Bruce, here is a photo of the crank. It is mounted on my lathe because i was milling the output shaft to take a variator. The project is to use the motor on a 1950 french motobecane mobylette. Since the whole crank fitted on the lathe I no longer need to split it. Out of interest, here is also aphoto of the original Moby engine. It is a similar design and even uses the same size main bearings (availab [Linked Image]
[Linked Image]
le from SKF). Maybe Victa and the Motobecane copied the Villiers design.