I do not know if this has been posted before but this link https://www.youtube.com/watch?v=xoW-7b0-UOw is to a 1942 wd motorcycle maintenence film.Enjoy and you might even learn something!
All good stuff Maxim.....I recently watched a 1942 Canadian film on potential recruits going through their paces..!?...I needed some of their skills in the carpark at" Overlord" last saturday!!😁....