The most reasonably priced component used on the Ttr125lt 2005 1b24 Canada 1d1b2-100e1 Crankcase Cover 1 is the Bolt, Flange.
This Crankcase Cover 1 diagram displays the required parts for the Ttr125lt 2005 1b24 Canada 1d1b2-100e1 Crankcase Cover 1.
Some items from this specific schematic: Cover, Crankcase 1, O-ring (2h9), Cover, Chain Case, Cover, Crankcase 2.