The Circlip (26h) is the cheapest item from this partsfiche.
Parts such as the Crankshaft - Piston: Circlip (26h), Bearing, Cylindrical(51y), Washer, Bearing Cover, Crankshaft Assy are included in the Tt350 1986 (g) Usa Canada Crankshaft - Piston parts fiche.
The thirty-nine Tt350 1986 (g) Usa Canada Crankshaft - Piston component parts are all listed in this schematic.