Parts such as the Crankcase: Bolt, Screw, Plate,oil Separator, O Ring(d:1.05,id:3.1) are included in the Gs450e 1986 (g) United Kingdom South Africa Belgium (e02 E06 E21 Crankcase parts fiche.
On this parts fiche the Bolt (6x90) is the most specified component.
This schematic depicts all components used in the Gs450e 1986 (g) United Kingdom South Africa Belgium (e02 E06 E21 Crankcase partslist.