Pennzoil (550022757-3PK) Premium Plus Outboard 2-Cycle Marine Engine Oil - 1 Gallon, (Pack of 3) Formulated to keep your marine engine running clean Designed for outboard motors Mixes easily with fuel for premix applications Excellent flow properties for oil injection systems Keep performance-robbing carbon deposits from forming in the combustion chamber, piston tops and under crowns and piston-combustion rings Formulated to keep your marine engine running clean Also acts as a multipurpose gear oil Guard against harmful engine deposits Protect against piston-scuffing Keep performance-robbing carbon deposits from forming in the combustion chamber, piston tops and under crowns and piston-combustion rings