minimal at best. the shaft attachment nut is left hand threads.....CC to tighten.Should you be able to get movement from the Clutch shell sprocket of has something gone wrong.
the basket end support bearing is large needle bearing affair. accessible for examination after removing diaphragm spring and associated hardware. if it is shot the usual result is noise, rattling, constantly loose primary chain, alot of shavings on the drain plug magnet.