Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
that looks like a european type, might be worth getting a uk tray then all will fit properly. also the jetting was different for some countries so may cause running issues.
Actually it is quite simple: the models CB500 that have the intake noise reducer, DUCT ASSY,. AIR CLEANER in Hondaspeak, also run the #78 main jets, the models that have the mesh net, will need #100 main jets. I did some research on it. Most probably it goes back to regulations Germany had on intake noise. In countries that had the same quality of gasoline, like Switzerland, Austria, Holland and Italy you'll find the CB500 equipped likewise.