With a quantity of two pieces, the Bolt 1 is the most used part in the FRONT FORK diagram.
Parts such as the Front Fork: Bolt 1, Under Bracket Comp., Emblem 4, Clip, Oil Seal are included in the Bw80 Big Wheel 1986 (g) Usa Front Fork parts fiche.
The O-ring is the cheapest item from this partsfiche.