Parts such as the Starting Motor: Motor Assy, Cord Comp., Brush Set, Bolt 2 are included in the Xg250 2005 4d62 Austria 1d4d6-351f1 Starting Motor parts fiche.
The Bolt, Washer Based(4gy) is the cheapest item from this partsfiche.
With two applications this O-ring is the most specified part.