In other news,

these are on the workbench as well; I'm trying to get the internal baffles out, but they've probably never been disturbed in half a century, so this is more like archaeology than wrenching... If I do get them out in one piece, I can get to work with some steel wool (or rock wool, not sure exactly) and see if I can make the Rising Star a little bit more sociable. Before I took the silencers off, Witold took it for a ride, a rare occasion for me to see the bike on the move, and hear it: crikey it sounds like a much bigger engine than it actually is!