This E-3 assembly utilises four Seat,valve Spg(s) - the highest specified component.
The most reasonably priced component used on the Crf250r 2006 (6) Japan Me10-120.121 E-3 is the Bolt,flange,6x12.
Some items from this specific schematic: Shim,tappet (1.95, Shim,tappet (2.02, Shim,tappet (1.50, Shim,tappet (2.52.