A synthetic blend 2-cycle engine oil specifically formulated and developed to meet the needs of: optimax and direct fuel injected (dfi) 2-cycle Outboard engines. Provides the maximum protection for optimax and dfi engines even under the most extreme operating conditions. Outperforms other oils by combining a carefully modified base stock blend with a synthetic additive package. Minimizes carbon build-up to help maintain engine top end speed and acceleration. Superior lubrication for increased resistance to piston scuffing. Will mix with typical 2-cycle engine oils. Provides warranty protection for Mercury and Mariner optimax and dfi outboards.