With a quantity of two pieces, the Bearing, Cylindrical (23x) is the most used part in the REAR ARM diagram.
Parts such as the Rear Arm: Oil Seal (2j5), Bush, Solid (23x), Nipple, Grease(6a1), Case, Chain 2 are included in the Xt350 1994 (r) Usa Rear Arm parts fiche.
The component with the lowest price in the REAR ARM schematic is the Washer,spring.