A sample from the products for the Rear Arm include: Oil Seal (5x6), Collar(1lv), Rear Arm Comp., Bearing, Cylindrical(4bf).
The Bolt, Flange(4my) is the cheapest item from this partsfiche.
This Rear Arm diagram displays the required parts for the Yz125j 1997 4xm1 Germany 174xm-100e1 Rear Arm.