Parts such as the Rear Suspension: Bolt 2, Damper Sub Assy, Shock Absorber Assy, Rear, Bush, Shock Absorber Lower are included in the Yz125 2004 5xe2 Germany 1c5xe-100e1 Rear Suspension parts fiche.
In this schematic the "Collar, Distance" is used most often.
The Yamaha REAR SUSPENSION has twenty-one products enlisted in the schematic.