Xl200r CDI Advancer NFG ??

Been having issues of not starting and noticed my CDI was off by 160 degrees when lined up with the F mark. So I took off my advancer in the CDI and discovered a potential issue as you can see in the pictures. So it looks like there maybe was a pin in there to line up with the advancer ? Do I need this pin as it seems quick tight just by tighteneing down the bolt. Cannot find a pin if required on a parts list, ex: bikebandit. I will hunt down a used advancer as I think this will scrap the inside or maybe I can file it down do its not sharp.
What about the shaft, is it toast ? I don't ride very much but had the bike for years and want to ride it again with minimal costs and not afraid to fix things.

Any thoughts ?

I found where I can get the pin. Its under the engine camshaft-valve blowup.