Parts such as the Left Cover: Nut,hex,cap,6mm, Bolt,flange,6x28, Gasket,l.cover (mca), Oil-seal 14x28x7 are included in the Cbx1000 Supersport 1982 (c) General Export / Kph Left Cover parts fiche.
The Bolt,flange,6x35 is the cheapest item from this partsfiche.
In this schematic the "Washer,hose Cover" is used most often.