So this is lightness, ... and repeatability of 100 %%%
I will use grease, soap, plasticine, bread and even toilet paper. And what will come of it ..?
In this video, I show seven different ways to get, press out, remove the sleeve (plain bearing) from the seat.
Also useful links:
1) How to remove the bearing race from the housing https://youtu.be/P_vYAQ5UZvk
2) How to remove the bearing race No. 2 DEAD HOLE https://youtu.be/Ax7GOk-nkFE
3) How to remove a sleeve tap https://youtu.be/DaDoKd7xgYU