The eighteen Gsf1200s 1996 (t) (e02 E04 E17 E18 E22 E24 E25 E34) Rear Cushion Lever (gsf1200sav/saw/sax) component parts are all listed in this schematic.
Some items from this specific schematic: Washer,rr Cush Lvr Ctr,l, Nut 12mm, Nut 12mm, Bearing(17x24x25).
In this schematic the "Bearing(17x24x25)" is used most often.