I have the original tail light off my 900c for sale. could use a little cleanup but in good shape overall and works. I believe all DOHC with an actual fender used this same light. I'll get some pics up when I get the chance.
It's only illegal if you get caught.
If at first you don't succeed, use more lighter fluid
95% of Harley Davidsons ever made are still on the road... The other 5% made it home.
New Baltimore, Va '82 CB900c, 1980 CB985F/K 'Mutt"