On this parts fiche the Gasket,cyl Head Cover No.1 (nas) is the most specified component.
The Gasket,tensioner Adjuster (nas) is the cheapest item from this partsfiche.
Some items from this specific schematic: Gasket,cylinder Fr (nas), Gasket,cyl Head Cover No.2 (nas), Gasket,magneto Cover (nas), Gasket,tensioner Adjuster (nas).