points ignition

Hello! Does anyone know what the round part circled on the attached picture is called and if it is possible to source a replacement without buying an entire advance mechanism? I have a 1977 XS400D, the previous owner installed an electronic ignition that was working very poorly. I replaced it...

So I got a 81 xs250 bottom end with 400 barrel,head,pistons,cam fitted using the points off the 250 and I can't seem to get the right hand side points to time up! Has anyone had this issue before? I can get the left timed up easily but once done there doesn't appear to be enough adjustment on...

Great xs400 forum! Im glad to be a new member! I just got my hands on a xs400 4G5 1982 that i try to get running. I fixed the most of the problems except this. When I set LF timing (with both valves closed, LF mark on flywheel is in line with the housing arrow, done with test light) the...

Good afternoon to all of you! I am writing this post since I have recently run into a problem with 1979 xs400. I have noticed an oil leak under the cover of the points on the left side of the bike. Also, I have an issue with keeping the bike running. She only runs from cold...once she warms...

Hey guys, I have been reading everywhere that when replacing the points ignition / contact breakers, you must pay attention to how you place the wire and washers... Unfortunately for me, I had taken apart the contact breakers before taking a look as to where the wire must sit. I have looked...