Some items from this specific schematic: Bracket 4, Cover Chain Case, O-ring, O-ring.
The most reasonably priced component used on the Yzf-r125 R125 2014 5d78 Europe 1n5d7-300e3 11 Crankcase Cover 1 is the O-ring.
With a quantity of seven pieces, the Bolt, Flange is the most used part in the 11 CRANKCASE COVER 1 diagram.