thirty-four components are listed in the schematic for this Xvz12td 1988 3dp1 France 283dp-351f1 Crankcase Cover 1 .
On this parts fiche the Bolt (2h7) is the most specified component.
A sample from the products for the Crankcase Cover 1 include: Screw, Flathead (6f0), Plug, Straight Screw (5h0), Gasket, Crankcase Cover 2 (mca), Pin, Dowel.