Pennzoil Marine XLF Extended Life Formula TC-W3 Outboard 2-Cycle Synthetic Blend Oil is a great choice for new or "seasoned" older engines.Extended Life Formula provides excellent protection to new 2-stroke engines and additional protection for seasoned older engines. Mixes easily with gasoline and resists gel formation due to water or other contamination. Reduces piston and cylinder wall scuffing. Prevents lubricant related preignition, spark plug fouling, piston and combustion chamber deposits, rust, or corrosion. Meets or exceeds NMMA and all manufacturers warranty requirements specifying TC-W, TC-WII, or TC-W3 approved oils.Key FeaturesResists gel formation due to water or other contaminationReduces piston and cylinder wall scuffingPrevents lubricant related preignitionPrevents spark plug fouling and piston and combustion chamber depositsMeets or exceeds NMMA and all manufacturers warranty requirements specifying TC-W, TC-WII, or TC-W3 approved oils