I work on old goldwings (GL1000's) and you are right that parts can be and are made. Also there are LOTS of parts on fleabay. However Honda sold tens of thousands of the GL1000's..... I wonder how many X-wedge engines were made?
Rodger 2018 M3W "Dreamers on the Rise" 2004 Plus 8 (wife's) old Goldwings and a couple of Harleys