In this schematic the "Brg,crank Shaft A" is used most often.
This Shaft Assy,crank is the most expensive of the items that make up this Crankshaft/piston (2) assembly.
A sample from the products for the Crankshaft/piston (2) include: Collar,primary Su, Clip,piston Pin, Sprocket,timing, Piston,os 0.25.