With a quantity of six pieces, the Nut, Hexagon (663) is the most used part in the OPTIONAL PARTS GAUGES & COMPONENT PARTS 2 diagram.
A sample from the products for the Optional Parts Gauges & Component Parts 2 include: Plate, Fitting, Ybs67-5 Washer, Spring, Nut, Hexagon (663), Damper.
The Yamaha OPTIONAL PARTS GAUGES & COMPONENT PARTS 2 has seventeen products enlisted in the schematic.