Parts such as the Clutch - Oil Filter: Pin, Plate, Clutch Lifter, Roter,oil Filter, Cap, Oil Filter Rotor are included in the S110 Benly General Export Type 3 Clutch - Oil Filter parts fiche.
Of all the components used in this assembly the Outer Comp, Clutch is the most expensive.
The component with the lowest price in the CLUTCH - OIL FILTER schematic is the O Ring 13.3x1.7.