Disclosed herein are marine diesel cylinder lubricating oil compositions which comprises (a) a major amount of an oil of lubricating viscosity, and (b) one or more non-borated polyalkenyl bis-succinimide dispersants, wherein the polyalkenyl substituent is derived from a polyalkene group having a number average molecular weight of from about 1500 to about 3000; and further wherein the marine diesel cylinder lubricating oil composition has a total base number (TBN) of about 5 to about 150. Also disclosed herein are marine diesel cylinder lubricating oil compositions which comprises (a) a major amount of an oil of lubricating viscosity, and (b) one or cyclic carbonate post-treated polyalkenyl bis-succinimide dispersants, wherein the marine diesel cylinder lubricating oil composition has a total base number (TBN) of about 5 to about 150.