For some really good engine / parts diagrams try a download for here:
http://www.duc.nu/manuals/files.php?... p=0&show=500 Page 11 shows the clutch in its entireity.
Its look like item 14 might be the bearings thats gone walkabouts.
I'd be interested to know of your learnings / progress.
Frank
ps - try and take lots of digi pics if possible, always good to have something to look at for the rebuild!