porting and polishing

I had these buried in one of my boxes of items I picked up. The PO was racing the XS back in the day. I guess he was doing some port and polish and wanted to see how much and where. Interesting how much and little you have to work with. I have read a bit about this lately and there is lots of...

I would like to see a thread about porting and polishing with lots of pictures for this old fart (my first bike was purchased in 1965). About ten years ago, I discovered the XS650 and I bought a bunch of everything including ten extra engines. I am only now getting around to building the bike of...