Some items from this specific schematic: Cover,magneto, Bolt 6x40, O Ring(d:3.1,id:16.8), Gasket,clutch Cover (mca).
With a quantity of six pieces, the Bolt 6x30 is the most used part in the CRANKCASE COVER diagram.
The most reasonably priced component used on the Lt230s 1986 (g) Usa (e03) Crankcase Cover is the O Ring(d:3.1,id:16.8).