wolf-in-outboard-4t-25w40
Engine oils

WOLF IN-OUTBOARD 4T 25W40

Semi Synthetic

This is a semi-synthetic 4-stroke motor oil, which meets the requirements of NMMA FC-W. It contains molybdenum/zinc technology anti-wear package and provides strong protection against corrosion.

Product: 1956
Meets Industry Specifications
  • API - SJ
  • API - SL
  • NMMA - FC-W
Description

This is a semi-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.

Applications

This oil is specifically destined for the lubrication of modern 4-stroke outboard and inboard engines (e.g. Mercury Marine, Yamaha). These applications are usually described as "sterndrive & inboard". It can also be used in older 4-stroke outboard engines.

Performance

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.

Test Method Unit Average Results
Density at 15°C ASTM D4052 g/ml 0.855
Kinematic viscosity at 40°C ASTM D445 mm²/s 91
Kinematic viscosity at 100°C ASTM D445 mm²/s 13.8
Viscosity index ASTM D2270 155
B.N. (HCLO4 method) ASTM D2896 mg KOH/g 7.4
Pour point ASTM D6892 °C -39
CCS viscosity at -10°C ASTM D5293 mPa.s 6100
Flash Point COC ASTM D92 °C 222

We reserve the right to alter the general characteristics of our products in order to let our customers benefit of the latest technical evolutions.

Wolf Lubricants Oil Serum

Technology

MULTIFACTOR OIL SERUM TECHNOLOGY​

Wolf’s proprietary product technology - MultiFactor Oil Serum -  increases the lifespan of lubricants and keeps engines young. This state-of-the-art technology can be compared to a sophisticated cosmetic product. Its complex formulations combine anti-oxidants, dispersants and viscosity modifiers to form a MultiFactor Oil Serum complex. ​

Technology

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