I don't like to disagree about something as wonderful as WD40, but don't use it in an electric motor for lubrication. What most people don't realize is that WD evaporates in time. And not that much time either. If you use it when there is no problem, yes it will act better at first. But it will, in time require more, like a person hooked on crack. To lube electric motors, at least in this case, use a very light oil.