The sixteen Yp250r 2016 2dl8 Europe X-max 250 1r2dl-300e1 03 Valve component parts are all listed in this schematic.
Of all the components that make up this 03 Valve the O-ring has the lowest price.
A sample from the products for the 03 Valve include: Spring, Valve Outer, Shaft, Rocker, Seat, Valve Spring, Spring, Valve Outer.