The Clutch-yz125-sk is made up of components including this Primary Driven Gear Comp. which is the most expensive.
This schematic depicts all components used in the Yz125k Clutch-yz125-sk partslist.
A sample from the products for the Clutch-yz125-sk include: Oil Seal (4g0), Washer, Lock(4kb), Bolt, Washer Based(1tx), Gasket 256113960000 (nas).