With a quantity of four pieces, the O-ring (2h7) is the most used part in the CYLINDER diagram.
A sample from the products for the Cylinder include: Gasket, Cylinder, Nut (4w5), Gasket, Cylinder Head 1, Washer, Plate.
This schematic depicts all components used in the Xj1100 Maxim 1982 (c) Usa Cylinder partslist.