You know, Google has another feature-filled video hosting service.
Anyway, I don't think that works on a good lock so something may be broken inside. I'll try to dig up my pics of the internals.
Edit:
https://www.ninjette.org/forums/show...904#post636904
Inside the lock shroud. It looks like there are at least a couple plates above the tumbler shaft. If I'm looking at it right, the top one clamps to the bottom one with bendy finger tabs and the bottom on locks to the rest of the cylinder with two differently-sized pegs.