Parts such as the Pedal: Bolt,flg,8x25, Ball,steel.,8, Pin,cotter 1.6x15, Plug,kick Arm are included in the Xr250r 1986 (g) Usa Pedal parts fiche.
The Pin,cotter 1.6x15 is the cheapest item from this partsfiche.
Of all the components used in this assembly the Pedal Comp.,brake is the most expensive.