This Cap,oil Tank is the most expensive of the items that make up this Frame - Oil Tank - Seat assembly.
The O Ring(d:3,id:23) is the lowest priced item on this Frame - Oil Tank - Seat schematic.
With all the components that make up the T125II 1971 (R) USA (E03) FRAME - OIL TANK - SEAT assembly. The Washer is the most frequently specified with six applications.