Mercury® Synthetic Blend 2-Stroke Direct-Injection Marine Engine Oil for Optimax® has been specifically formulated to the meet the needs of your OptiMax 2-stroke outboard and other DFI 2-stroke outboard engines. Thanks to decades of experience in marine motor engineering, the experts at Mercury have tested and refined this oil to provide increased lubricity for outstanding wear and corrosion resistance, and all this adds up to premium engine performance and the extended life of your engine. Plus, this formula has been optimized to minimize performance-robbing carbon deposits in the combustion chamber and reduce smoke emissions. Created by Mercury Marine® to meet strict original equipment manufacturer specifications. Size: 1 gallon. Formulated for Mercury OptiMax 2-stroke outboards and other DFI 2-stroke outboards. Increased lubricity and resistance to scuffing. Outstanding wear and corrosion protection. Minimizes performance-robbing carbon deposits. Helps extend the life of your engine. Dangerous goods must be shipped via ground transportation to a physical address. This item cannot ship to a PO box or Rural Route. Additional shipping fees may apply. Hazardous Material. Must ship ground only. Not eligible for expedited shipping. Contiguous 48 states only. A physical address is required for delivery. LTD QTY - In the event you wish to return this item, due to regulatory requirements, please contact customer service and we will provide the special shipping label and instructions required for the return of this item.