• Full synthetic formula provides superior engine protection over conventional mineral oils
  • Suitable for 4 stroke petrol inboard engines
  • Fast-flow formula promotes easy starting, idling and consistent throttle response
  • Exceeds API petrol rating SM/CF (supersedes SG, SH, SJ, SL)
  • Nulon’s Advanced Additive Technology (AAT) reduces friction, engine wear and provides optimum engine performance
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Full Synthetic Marine 15W-50 Inboard 4 Stroke Petrol Oil

Nulon Full Synthetic Marine Inboard 15W-50 4 Stroke Petrol Engine Oil is specifically formulated to exceed the protection and performance of conventional mineral oils for 4 stroke petrol inboard engines. The premium full synthetic API SM formulation ensures enhanced engine protection, easier starting, smoother idling and provides optimum power output during prolonged full open throttle periods.

Superior deposit control keeps the oil “in-spec” longer, ensuring prolonged engine protection over conventional mineral oils, while the advanced corrosion inhibitors protect against harsh sea conditions and off-season periods.

Nulon’s low-friction Advanced Additive Technology (AAT) reduces engine wear, providing exceptional engine protection, optimum performance and fuel economy.

Benefits

  • Full synthetic formula provides superior engine protection over conventional mineral oils
  • Suitable for 4 stroke petrol inboard engines
  • Fast-flow formula promotes easy starting, smoother idling and consistent throttle response
  • Exceeds API petrol rating SM/CF (supersedes SG, SH, SJ, SL)
  • Enhanced corrosion inhibitors protect vital parts during off-season periods
  • Superior deposit protection keeps engine cleaner for longer
  • Nulon’s Advanced Additive Technology (AAT) reduces friction and engine wear and it provides optimum engine performance


Suitable for 4 stroke engines including:

  • Evinrude
  • Honda
  • Mercruiser
  • Suzuki
  • Tohatsu
  • Volvo Penta
  • Yamaha


Typical Characteristics

SAE Viscosity Grade 15W-50
KV @ 40°C (cSt) 141.8
KV @ 100°C (cSt) 19.15
Viscosity Index, ASTM D 2270 153
Density @ 15°C kg/L 0.8605
Cold Cranking Viscosity, cP at -25°C 5,600
Pour Point, °C, ASTM D 97 -21
Sulphated Ash, Mass % 1.25
Base Number  9.9

Due to continued product research and development the information contained in this table is subject to change without notification.

Meets and exceeds the following oil industry specifications:

  • American Petroleum Institute    :    API SM/CF (supersedes SG, SH, SJ, SL)

Packaging

1 litre bottle (6 per carton) Part No: SYN4SI-1
5 litre bottle (3 per carton) Part No: SYN4SI-5

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