The Circlip, 17m/m is the most widely applied product in the Z50R 1999 (X) USA TRANSMISSION ( four times ).
The twenty Z50r 1999 (x) Usa Transmission component parts are all listed in this schematic.
Some items from this specific schematic: Circlip, 17m/m, Gear,c-top(25t), Oil Seal, Gear,ct/shaft Low.