With a quantity of four pieces, the Collar,pillion St is the most used part in the TAILLIGHT (VT1100C2-EXCEPT CM/2CM) diagram.
Some items from this specific schematic: Cover Comp.,licen, Screw,tapping,4x3, Collar,taillight, Packing.lens.
The Taillight (vt1100c2-except Cm/2cm) assembly is constructed from several parts from which the Light Assy,tail is the most expensive.