Remove piston with con-rod - see operation "Piston with Con-rod, Remove and Install". Before removing piston pin, note installation position of con-rod and piston. Remove retaining ring (1) from piston boss with suitable tool. Slide piston pin from piston and con-rod by hand.
 Install, Connect Coat piston pin with engine oil. Press piston pin (2) by hand into piston and con-rod until ring groove is accessible. Insert retaining ring in ring groove of piston. Install piston with con-rod - see operation "Piston with Con-rod, Remove and Install". | 
Remove, Disconnect 