This Rear Swinging Arm (model X) diagram displays the required parts for the Rm250 1998 (w) Usa (e03) Rear Swinging Arm (model X).
In this schematic the "Screw,upper" is used most often.
The most reasonably priced component used on the Rm250 1998 (w) Usa (e03) Rear Swinging Arm (model X) is the Screw.