The thirty-six Fz750 1986 1tv Europe 261tv-300e1 Rear Arm component parts are all listed in this schematic.
With four applications this Oil Seal(1fn) is the most specified part.
A sample from the products for the Rear Arm include: Screw, Bind(j38), Shaft 1, Bolt(36y), Washer, Plate (4n0).