Actually they are not that rare at all. There are literally thousands of them around. I think I have about 20. Some run some are in parts. But it is basically a 110 with electric start and a few cc's bigger engine. Almost everything between the 125 and the 110 will interchange.
Bikes I currently own.
1985 250sx with Hondaline Tank Cover
1986 Tecate with 1998 KX250 motor Eric Gorr 285 big bore kit.
1985 200x sold
1986 200X in restoration
1981 110 stock
1987 Big Red
1985 250r doing total frame off rebuild.
1985 350x with 86 fenders
1985 350x in excellent original shape.
1987 atc125 Near perfect.