Castrol Power1 Ultimate 4T 10W-30 Fully Synthetic Motorcycle Engine Oil 4L

Castrol Power1 Ultimate 4T 10W-30 Fully Synthetic Motorcycle Engine Oil 4L is a fully synthetic 10W-30 motorcycle engine oil from Castrol, supplied in a 4L pack. It meets API SP, JASO MA2.

Castrol POWER1 is Castrol's dedicated motorcycle range, formulated for quick throttle response while protecting engine, gearbox and wet clutch together.

Specifications at a glance

Suitable for

Always confirm the grade against your owner's handbook or service schedule before use, as requirements vary between engines of the same model.

Key benefits

• Fully synthetic base oil keeps its viscosity stable from cold starts to sustained high temperatures.
• API SP: the current API petrol engine category, with added protection against low-speed pre-ignition in turbocharged engines.
• JASO MA2: the Japanese standard for four-stroke motorcycle oil that keeps wet clutches gripping properly.

Frequently asked questions

Is Castrol Power1 Ultimate 4T 10W-30 right for my car?

Look in your handbook or on the oil filler cap for the specification codes listed above, such as API SP. If your vehicle lists one of them, this oil meets the requirement. If you are unsure, send us your registration number and we will confirm the correct grade.

What does 10W-30 mean?

The first number (10W) describes how easily the oil flows when cold, so a lower number means easier cold starts. The second number describes the oil's thickness at normal running temperature. Always use the grade your manufacturer specifies.

How much oil will I need?

Most petrol and diesel cars take between 4 and 6 litres for a full oil change, so a 4L pack covers a typical service with some left for top-ups. Check your handbook for the exact capacity including the filter.

Supplied sealed in the manufacturer's original packaging and dispatched from the UK by Nitroma Lubricants.