To raise the start temperature of abrasion type mechanical wear of cylinder wall of 2 stroke cross head ship diesel engine.

The combination of cylinder lubricant is produced by including the cylinder of a two-stroke cross head ship diesel engine, (A) a large amount of base stock having lubricating viscosity, (B) a small amount of at least one kind of ultrabasic metal detergent and (C) a small amount of at least one kind of auxiliary, preferably ash-free or nonmetallic additive component, different from the component B and containing (C1) an oil-soluble sulfur-containing compound and/or (C2) an oil-soluble phosphorus or mixing these components, and the cylinder is characterized by output of ≥400 kW, e.g. ≥4,200 kW, preferably ≥4,500 kW, more preferably 4,500-6,000 kW.