The component with the lowest price in the CRANKSHAFT schematic is the Clip,piston Pin.
thirty-six components are shown in this Xl250r 1985 (f) Usa Crankshaft exploded diagram.
A sample from the products for the Crankshaft include: Piston (0.75), Brg,ball 28x68x18, Spg,balancer Gear, Sub Gear,balancer.