This is a genuine OEM Mercury Marine Direct Fuel Injection (DFI) 2-Cycle Engine Oil designed for use in OptiMax and other DFI two-stroke outboard engines. It is formulated to meet the demanding lubrication needs of high-performance marine engines

• Advanced Lubrication – Specially formulated to reduce carbon buildup, smoke, and deposits in DFI 2-stroke engines
• OptiMax Approved – Recommended for Mercury OptiMax and other DFI outboards
• High Detergency – Keeps pistons and cylinders clean, extending engine life.
• Cold Weather Performance – Flows easily in cold conditions to ensure immediate protection at start-up
• OEM Quality – Factory-tested for compatibility and performance with Mercury engines.