4T InBoard

Номер продукта: 2710

The Booster 4T InBoard is synthetic engine oil specially developed for 4 stroke in-board engines.


SAE 25W-40
Density at 15 ⁰C, kg/l 0,855
Viscosity 40 ⁰C, mm²/s 91,00
Viscosity 100 ⁰C, mm²/s 13,80
Viscosity Index 155
Flash Point COC, ⁰C 222
Pour Point, ⁰C -39
Total Base Number, mgKOH/g 7,4


The Booster 4T InBoard is a synthetic 4-stroke motor oil, specifically designed to meet the requirements of the NMMA FC-W specification. This oil procures an increased protection against corrosion, even in a salt water environment. It also contains a unique anti-wear package based on molybdenum/zinc technology. This oil is specifically destined for the lubrication of modern 4-stroke outboard and inboard engines (Mercury Marine and Yamaha). These applications are usually described as «sterndrive & inboard». It can also be used in older 4-stroke outboard engines.

— a perfect lubrication of all motor parts
— a very active detergency, resulting in a cleaner motor compartment
— good cold start properties
— a very strong activity against wear, oxidation and corrosion
— Outstanding engine cleanliness and durability.

This oil is based on selected base oils and special additives. It has very low volatility and good oxidation and corrosion stability, which ensure complete engine protection and long service life.

Performance level


By product choice always follow the requirements and instructions of the manufacturer.

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