Some items from this specific schematic: Bearing(10x22x2.8), Pin(4x29.8), Lever,exhaust Valve No.2, O Ring(d:1.9,id:28.3).
In this schematic the "Screw 5x12" is used most often.
The sub assemblies and components that make up this Exhaust Valve (model K1) include this Valve Assy,exhaust Main, the most expensive part.