Some items from this specific schematic: Plug,spark (x20ep, Spark Plug (ngk), Clamper G,tube, Bolt,flange,6x40.
This schematic depicts all components used in the Gl1500se 1998 (w) Japan Sc22-105 E-3 partslist.
On this parts fiche the Bolt.flange-wash is the most specified component.