MAUSER Outboard 4T SAE 25W-40, meticulously formulated for the specific needs of modern four-stroke outboard engines, strictly adheres to the NMMA FC-W and NMMA FC-W (CAT) guidelines.
This special blend, comprised of mineral oils, is further enhanced with a proprietary mix of low-ash additives, designed to deliver not only superior lubrication but also exceptional wear resistance and formidable protection against corrosion.
The notable deep blue color of MAUSER Outboard 4T SAE 25W-40 not only sets it apart visually but also symbolizes its superior quality and performance in the domain of four-stroke engine lubrication.
Acknowledged for its ability to meet and exceed the demanding standards set by the National Marine Manufacturers Association for NMMA FC-W (CAT) certification, MAUSER Outboard 4T SAE 25W-40 is the optimal solution for engines equipped with catalytic converters, promoting environmental stewardship alongside engine performance..
MAUSER Outboard 4T SAE 25W-40 is versatile for use across a wide spectrum of outboard motors, as dictated by engine manufacturer specifications, especially those requiring adherence to FC-W and FC-W (CAT) oil standards. Its composition makes it equally suitable for operations in marine environments, particularly in saltwater, where it provides robust performance and protection.
MAUSER Outboard 4T SAE 25W-40 has also met the rigorous benchmarks of the Yamaha 115 General Performance Engine Test for four-stroke outboard engines, further underscoring its efficacy and compatibility. For maintaining engine up and running and achieving optimal performance, it is critical to follow the lubrication recommendations provided by the engine manufacturer, ensuring that MAUSER Outboard 4T SAE 25W-40 is utilized according to guidelines for the best care and longevity of marine engines.| Property | Unit | Data | Audit |
| tbn | mg KOH/g | 7,2 | ASTM D2896 |
| Viscosity at 100 °C | mm²/s | 13,6 | DIN 51562-1 |
| Viscosity at 40 °C | mm²/s | 120,7 | DIN 51562-1 |
| Viscosity Index VI | 110 | DIN ISO 2909 | |
| Density at 20 °C | kg/m³ | 872,0 | EN ISO 12185 |
| Flashpoint | °C | 254 | DIN EN ISO 2592 |
| Pourpoint | °C | -27 | DIN ISO 3016 |