The Washer (29l) is the most widely applied product in the DT125 1981 (B) USA CRANKSHAFT-PISTON ( two times ).
The Crankshaft-piston assembly is constructed from several parts from which the Crank Assy is the most expensive.
Parts such as the Crankshaft-piston: O-ring(3kx), Pin, Piston, Crank Assy, Oil Seal (25x40x8-248) are included in the Dt125 1981 (b) Usa Crankshaft-piston parts fiche.