Some items from this specific schematic: Washer,lock, Seal,oil (10x17x5), Spring, 08310-00067.
The Clutch (tc125k is made up of components including this Gear Assembly,primary Drive which is the most expensive.
This schematic depicts all components used in the Tc125 1973 (k) Usa (e03) Clutch (tc125k partslist.