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Castrol - Win a chance to race Esteban Ocon
Castrol POWER1 Racing 4T 5W-40 Fully Synthetic 4 Stroke Motorcycle Engine Oil

Castrol POWER1 Racing 4T 5W-40 Fully Synthetic 4 Stroke Motorcycle Engine Oil

Castrol Power1 Racing 4T 5w40 - 1 Litre

1 Litre


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  • Description
  • Benefits
  • Specifications
  • Shipping Explained

Castrol POWER1 Racing 4T 5W-40 Fully Synthetic 4 Stroke Motorcycle Engine Oil

General Details:

SpecificationAPI Gasoline SN
OilSynthetic Oil
Oil Viscosity Classification SAE5W-40
SpecificationJASO MA-2
Packing TypeBottle
Content [litre]1

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Castrol POWER1 is a premium, most advanced range of engine oils designed to meet the needs of newer, more technologically advanced engines. The unique Power Release Technology™ boosts bike performance by optimising friction and enabling it to accelerate faster, providing superior acceleration at the touch of the throttle.

Castrol POWER1 Racing 4T 5W-40 is a fully synthetic 4 stroke motorcycle engine oil designed for the unique stresses and strains of a the modern high performance sports bike that increases engine acceleration and power right up to max rpm. This oil is bred from Castrol's race derived background and technologies that have evolved with their pedigree for maximum engine acceleration. Castrol's testing experience ensures maximum engine performance without sacrificing engine durability thus giving a significant benefit over other types of engine oils.

Castrol POWER1 Racing 4T 5W-40’s formula provides optimum protection of the engine, clutch and gears even under the most arduous riding conditions including sustained operation at high rpm. As well as offering excellent race technology and acceleration this motorcycle engine oil also offers brilliant high speed oil consumption control and volatility, high temperature air-cooled and water-cooled engine performance, excellent shear stability to prevent viscosity break down and complies with requirements of catalyst equipped engines.

PDF Downloads:

Download the Technical PDFDownload the Safety PDF


  • Fully synthetic 4-stroke engine oil
  • Acceleration and power right up to max rpm
  • Perfect for sustained operation at high rpm
  • Oil consumption control and volatility
  • Shear stability
  • Quick build-up of maximum lubrication safety
  • Strong power output due to excellent frictional behaviour thanks to Race Derived Technology™
  • Optimum, combined protection of engine, gearbox and oil bath clutch
  • Catalyst-suitable
  • Excellent performance in racing


  • Full Synthetic
  • API SN
  • JASO MA-2


SHIPPING IS FREE* for orders of £75 and over , regardless of the weight of your order.
We've tried to keep all other shipping costs as low as we can.

Carriage starts at just £0.95 (inc VAT) for small items, with our most common courier rate set at £4.99 for orders of 5kg (enough for 5 litres of oil).

  • *Free shipping is available for UK Royal Mail, UPS Access Point™ (click & collect) and standard UK courier services (not express / priority / islands).
  • Courier surcharges mean we are unable to offer free "to the door" courier shipping from us in Cornwall up to Highlands / Grampian in Scotland - and because we send a lot of liquids, not every courier option is available to us. UPS Access Point™ (click & collect) is available as a free shipping option across Scotland, Wales and England, wherever there is a UPS Access Point™ Location.
  • Carriage charges are based on weight - please see our table of carriage costs for full details (although adding an item to your cart and viewing the calculated carriage is often easier!).
  • Priority shipping is also available.

How long will it take to get my order?

We give an estimate of delivery dates as you shop and in your basket. The vast majority of items are held in stock and dispatched from our UK warehouse and we'll do all we can to get your order to you as quickly as possible.

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