▎ 摘　　要

NOVELTY - Invention relates to production of lubricating oils and can be used when performing technological operations of breaking-in in repaired engines in conditions of agricultural enterprises, operating and repairing internal combustion engines, as well as other enterprises of repair and technical purposes. Break-in oil contains deep cleaned clarified used engine oil, oleic acid, graphene mixture, treated with ultrasound, carbamide, dissolved in ammonium hydroxide, taken in the following ratio of components, mass. %: oleic acid 0.1-0.5, carbamide in ammonium hydroxide 0.1-0.3, graphene mixture 0.1-0.3, deep cleaned clarified engine oil 99.7-98.9. USE - Engine building. ADVANTAGE - Use of proposed breaking-in oil will allow to increase efficiency of breaking-in of repaired engines, to prolong the life of oil and to reduce operating costs of repaired equipment. 1 cl, 3 tbl