HP Marine® Synthetic 2-Stroke Oil

High-Performance Marine 2-Stroke Oil

High-quality oil is critical for maximum performance in modern two-stroke marine motors. Direct fuel injection (DFI) improves combustion efficiency, delivering the extra power boaters want, while leaner gas-to-oil ratios provide the reduced exhaust emissions the government mandates. The leaner ratio leaves less oil to lubricate and protect these hotter, more powerful motors, which invites deposits and wear that threaten engine performance and life. HP Marine® Synthetic 2-Stroke Oil is proven to excel in these harsh conditions. It controls performance-robbing friction, heat and wear, yet produces low smoke and has low aquatic toxicity properties. It’s an oil as advanced as the engines it protects.

Outstanding Wear Protection

The elevated heat and friction of modern two-stroke marine motors can exceed the film strength of inferior oils, increasing the likelihood of scuffing and wear. HP Marine’s exclusive synthetic formulation provides increased lubricity for reduced wear during normal and lean-mix operation.

HP Marine was used in a 40-hp Evinrude E-TEC outboard motor owned by a northern Minnesota fishing outfitter. After a full season of rental use with the motor set at its factory-lean setting, HP Marine prevented piston ring sticking and piston scuffing for maximum power and long engine life. Results prove HP Marine’s ability to protect two-stroke engines in the toughest conditions, including lean-mix operation, helping enthusiasts get the most out of their equipment.

HP Marine Synthetic 2 Stroke Oil Quart HPMQT scaled
HP Marine Synthetic 2-Stroke Oil

• Excellent for Evinrude* E-TEC* factory-lean setting
• Helps prevent deposits
• Protects against wear
• Low smoke
• Protects against rust
• Low aquatic toxicity
• Superior performance as an injection oil or at 50:1 pre-mix


Excellent Deposit Control

HP Marine is formulated with MAXDOSE,™ a system of advanced additives for “super-clean” operation. It helps prevent deposits that lead to poor performance. In field testing, HP Marine prevented ring sticking and ring jacking (carbon buildup behind the ring, forcing it outward), a phenomenon that occurs in modern DFI outboard motors. It also virtually eliminated exhaust port deposits for reliable, efficient operation.

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