A sample from the products for the Starter Clutch include: Shim,starter Clutch Hub, Spring, Washer(27x40x2.5), Bearing(27x32x21.8).
On this parts fiche the Piece,push is the most specified component.
This schematic depicts all components used in the Gz250 Marauder 2003 (k3) Usa (e03) Starter Clutch partslist.