The most reasonably priced component used on the Mtn1000 Mt-10 2017 B678 Europe 1sb67-300e1 02 Cylinder is the Pin, Dowel(3vd).
In this schematic the "Pin, Dowel(3vd)" is used most often.
A sample from the products for the 02 Cylinder include: Gasket, Cylinder (nas), Cylinder 1, Pin, Dowel(3vd).