Castrol Outboard 4T is a high-performance lubricant. Its part synthetic formulation will provide the highest level of engine protection over the wide range of operating conditions typical of outboard engines, ranging from high-speed cruising to extended periods at idle.

Castrol Outboard 4T has been designed for all 4-stroke outboard engines from major Japanese and American manufacturers.

Castrol Outboard 4T Synthetic Based 4 Stroke Boating Engine Oil Advantages:

• Part Synthetic formulation for enhanced piston cleanliness and reduced oil consumption.
• Excellent low-temperature wear control for effective valvetrain protection.
• High resistance to viscosity losses allows a thick oil film to be maintained over time, even in the presence of high levels of fuel dilution.
• Good anticorrosion properties for safe protection during winter storage.

Density @ 15°C, Relative: 0.8708 g/ml

Appearance Visual: Clear and Bright

Viscosity, Kinematic 100°C: 10.92 mm²/s

Viscosity, Kinematic 40°C: 70.710 mm²/s

Viscosity Index: 144

Pour Point: -33 °C

Flash Point, PMCC: 200.5 °C

Total Base Number, TBN: 8.11 mg KOH/g

SAE: 10W-30

API SL/CF

Storage:

All packages should be stored under cover. Where outside storage is unavoidable drums should be laid horizontally to avoid the possible ingress of water and damage to drum markings. Products should not be stored above 60°C, or exposed to hot sun or freezing conditions.

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Product Data Sheet

Material Safety Data Sheet