Honing of bores (cylinders) is traditionally one of the most mysterious processes for many repairmen. It is honing that is associated with a large number of different repair defects, which sharply reduce its quality and, accordingly, the durability of the repaired engine. Moreover, some honing defects do not lie on the surface of the cylinder, but are hidden by a veil of technology and the tools used. And this often gives rise to various myths on the topic of honing, which further confuse the matter. Well, as a result of misunderstanding the essence of the process, cylinder blocks come out defective not only because of incorrectly selected honing modes, but…