The Rear Wheel assembly is constructed from several parts from which the Axle, Wheel is the most expensive.
Parts such as the Rear Wheel: Cover, Hub Dust, Washer, Lock (5v6)., Bolt, With Washer (20e), Ybs67-10 Washer, Spring are included in the Yt125k Tri-moto 1983 Rear Wheel parts fiche.
The lowest price component in this Rear Wheel parts-list fiche is the Ybs66-6 Washer, Plain.