The Screw,pan,5x20 is the cheapest item from this partsfiche.
This CRANKCASE (2) assembly utilises four Bolt,stud,8x35(s) - the highest specified component.
Some items from this specific schematic: Gasket B,reed Val (nas), Lifter Comp,clch., Valve Assy.,reed, Oil Seal 30x45x7.