12-03-2022, 09:07 AM
Of course all the dodges suggested will work to some extent however the best option would be to plug the hole in the crankcase and go back to the original 1/4W thread, a stepped stud will not be a good option because that particular bolt also locates the dynamo into the housing. Do it once, do it right and never have a problem with it again that's my motto.
Black Art Enthusiast