Purpose and Specifications

Castrol Power 1 4T 10W-40 is a full synthetic engine oil designed for 4-stroke motorcycles, delivering superior acceleration and power by flowing fast at startup and staying strong under extreme heat up to 215°C flash point. It reduces internal friction for smoother riding, protects engine, clutch, and gears with Trizone Technology, and meets API SL and JASO MA-2 standards for high-performance sports bikes, carbureted or fuel-injected models.

This 4-liter container powers your bike through demanding conditions, keeping it cool on long rides and ensuring quick throttle response from cold starts down to -33°C pour point.

When to Use / Replace?

Use Castrol Power 1 4T 10W-40 in modern sports bikes for everyday riding, track days, or extreme conditions where API SL or JASO MA-2 is recommended. Ideal for temperatures from -20°C to over 100°C operating range.

• Replace every 5,000-8,000 km or 6-12 months, depending on riding style and manufacturer guidelines.
• Shelf life: 3-5 years unopened in cool, dry storage.

Frequently Asked Questions

Is this oil suitable for wet clutch bikes? Yes, JASO MA-2 certification ensures smooth clutch performance without slippage.

Can I use it in air-cooled engines? Absolutely, it excels in high-heat air-cooled bikes, preventing breakdown during hot rides.

How does 10W-40 viscosity benefit my bike? Flows easily in cold weather for fast starts, stays thick in heat for lasting protection.