Insufficient lubrication is the #1 cause of engine wear and premature engine failure in outdoor power equipment. Prolong the life of your equipment's engine with with regular oil changes. And keep your engine running smoothly with in-season fuel treatments. A clean fuel system results in improved performance and off-season stabilizers keep fuel fresh during storage. Troy-Bilt has the oil for 2- and 4-stroke engines, plus lubricants and grease for all your power equipment.