Parts such as the Crankcase Cover: O Ring(d:3.1,id:16.8), Bolt 6x30, Plug, Bolt 6x25 are included in the Lt230s 1988 (j) Usa (e03) Crankcase Cover parts fiche.
This Cover,magneto is the most expensive of the items that make up this Crankcase Cover assembly.
On this parts fiche the Bolt 6x30 is the most specified component.