The Bolt,flanged,6x25 is the most widely applied product in the KZ650E1 LTD 1980 USA / MPH BREATHER COVER/OIL PAN ( fifteen times ).
Some items from this specific schematic: Body-breather, O Ring, Gasket,oil Pan (nas), Gasket,drain Plug Bol (nas).
This Pan-oil is the most expensive of the items that make up this Breather Cover/oil Pan assembly.