With a quantity of two pieces, the Clip,piston Pin is the most used part in the CRANKSHAFT/PISTON diagram.
The seventeen Cn250 Helix 1994 (r) Switzerland Kph Crankshaft/piston component parts are all listed in this schematic.
The Crankshaft/piston assembly is constructed from several parts from which the Crankshaft Comp. is the most expensive.