The most reasonably priced component used on the Vfr750r Rc30 1989 (k) France / Yb Exhaust Muffler is the Bolt,flange,6x35.
Some items from this specific schematic: Collar,muffler Mo, Pipe L Fr.exh., Bolt,flange,6x35, Gasket,ex Pipe (nas).
With eight applications this Bolt,flange,6x35 is the most specified part.