xs400

So I've done a little digging and couldn't find much on the history of the XS400. I thought it would be nice to have a place for people to compile what they know about the XS400. Things like what years they were made, model designations, differences, VIN numbers for each year, colors...

Right hey guys. Let me start off by saying this is my first bike. I am a amateur. I have picked up and old 1983 xs special. It came with a 250 and 400 spare including whole engine. I am replacing the top half, cylinders etc with the 400 and so far I have run into some problems. (By the my...