Castrol ACTIV 4T is a mineral-based 15W-50 engine oil suitable for all makes of four-stroke
motorcycle engines, running on either lead replacement or unleaded fuel.
Castrol ACTIV 4T is formulated to provide excellent engine wear protection and cleanliness. It also
provides excellent wet clutch friction stability even in severe conditions. Considerable research work
was done to ensure the upgraded formulation provided enhanced gear wear protection in
Castrol ACTIV 4T provides good lubrication for all street and off-road four-stroke motorcycles. It is
also well suited to a wide range of four-stroke petrol engines used in generators, lawnmowers, and
light power equipment.
Castrol ACTIV 4T is not Castrol’s prime recommendation for water-cooled four-stroke marine
outboards. Castrol Super Outboard 4-Stroke oil is recommended for these applications.
Castrol ACTIV 4T may be used for highly stressed engines, however, Castrol Power 1 Racing (4T) is
the prime recommendation for competition and applications.
Product Features and Benefits:
Castrol ACTIV 4T offers the following key benefits:
• Provides a protective film on engine parts in all conditions.
• Significantly reduces engine wear during start-up and warm-up.
• Improved engine cleanliness, promoting longer engine life.
• Excellent wet clutch friction stability even in severe applications.
• Enhanced gear wear protection for transmission gears.