Some items from this specific schematic: Guide,valve, Spacer Breather S, Head Comp.,cylind, Cover,thermostat.
The most reasonably priced component used on the Ch125 Spacy 1986 (g) France / Yb Cylinder Head is the Screw Cross 5x22.
The Washer Seal 8mm is the most widely applied product in the CH125 SPACY 1986 (G) FRANCE / YB CYLINDER HEAD ( four times ).