Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
That’s a CG125. My sister had one in the 70sRY125-7 is presumably one of the Brazil/China copies.
An enclosed chain case has always struck me as a combination of common sense with several benefits. As is often the way style often over trumps common sense in the move to modernity.
a Scottoiler makes a good compromise. Keeps chain in good order without hassle and ugliness of chain case.