Unfortunately I have not had an xt clutch apart but you should be able to rotate the basket with the spark plug out so there is no compression on the engine and flick the starter button to bring it round or stick the bike in top gear and rock the back wheel, its possible to move the basket other ways but if you lever it with something they are pretty fragile and you risk breaking something. hopefully Pleiades will be along with a better description as he seems to have more knowledge on this engine.
Best Regards,
Jim.