Yea , its usually dried castor between piston & rod , ON the PIN .
Really you leave the LINER in , just lifted enough to access the pin . i.e. lower edge level with the top of the fredded ole . so the PISTON is LOCATED .
However , icicle sticks ea side of pin & push the pin Fwd . then stick fwd of pin , ease piston fwd . WITH HEAT . thisisto start to get it moveing .
A easyout or pointy blade in the pin pad to ROTATE the pin helps. untill you snap it .
a dress makers pin with the very end ( 0.5 mm ? ) bent 0 degrees will thread into the pin pad , then you can pull it out . Then use easyout on wrist pin .
HHeat & CRC / WD 40 . cycles . UNSTICKING it is Step One , if castor glued . As is disolving & freeing the castor .And a ' ositive Mental attitude ' . not to mention a steady hand .
a 21/40 con rod'd do . i cutting , pilot drill say 2 mm , then 1/8 , then 5 mm . in bench vice , then snap . Heard of RPM rods . ? used to be trick bushed U.S. made fit .