Marine Inboard Four Stroke 25W-40 is a premium mineral NMMA (National Marine Manufacturers Association) FC-W®, fully licensed and registered petrol engine oil. It contains a FULL ZINC anti-wear additive package combined with specialised rust inhibitors to provide optimum engine protection in marine and salt water environments.
Penrite’s new marine range has the right product for the right application whether you fish the estuaries or roam the open ocean. Our new range of marine oils and lubricants, have you covered.
Click Here to view Oil Specifications
Click Here to view Penrite Marine BrochureMarine Inboard Four Stroke 25W-40 is designed for use in inboard / outboards and stern drive petrol engines. It can be used where SAE 25W-40 and SAE 30 oils are required. It is especially suitable for:
| Mercruiser | Cheverolet | Chrysler | Indmar |
| Mariner | OMC | Nissan | PMC |
| Tohatsu | Volvo Penta | and many | more |
Marine Inboard Four Stroke 25W-40 may be used in some modern petrol engine cars that require API SL oils. It is also suitable for four stroke motorcycles with a wet clutch. Diesel fuelled engines should use the appropriate Penrite diesel oil.
| Colour | Amber |
| Density at 15°C, kg/L | 0.889 |
| Viscosity, Kinematic, cSt at 40°C at 100°C |
142 15.3 |
| Viscosity Index | 110 |
| Cold Cranking Viscosity, cP at -10°C | 8,000 |
| Zinc, Mass % | 0.132 |
| Phosphorus, Mass % | 0.121 |
| Sulphated Ash, mass % | 0.91 |
| Base Number | 7.4 |
