This Crank - Piston diagram displays the required parts for the P50trq 1992 Crank - Piston.
The Washer, Plain (646) is the lowest priced item on this Crank - Piston schematic.
Some items from this specific schematic: Piston (0.50mm O/s), Bearing(6h4), Piston Ring Set (std), Clip, Piston Pin.