Castrol Power 1 4T 15W-50

Part synthetic 4-stroke motorcycle engine oil

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Customer Reviews for Castrol Power 1 4T 15W-50

April 1, 2022 - by Ade

Quality Liquid Engineering

SBS Had this grade in stock at a very good price. Other stockists were dearer or three day delay. Delivered next day. Top quality oil I always use Castrol. Hiiflo oil filter with nut was not in stock according to website but turned next day (Saturday) with oil, instead of 3 day wait excellent service.

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November 10, 2020 - by Anthony D

Excellent service.

A difficult to find product, but Sportsbikeshop always seem to have the products I need to carry out a service. Also a fast and efficient service.

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September 15, 2020 - by Paul S

SBS dependable as ever.

Specifically recommended for my bike but not easy to find. SBS always have it at a good price and I had it within 48 hours of ordering.

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July 24, 2020 - by David


When your bike requires the kind of oil no one else seems to stock Sportsbikeshop comes to the rescue. Easy to order, super fast delivery. Can't ask for more than that.

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May 29, 2020 - by John W

always use this stuff

as described and delivered as advised, better still SBS price matched within the hour this company really are head and shoulders above anyone else i buy from online.

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October 17, 2018 - by Gary W

Superb service as usual

The product speaks for itself, service by Sportsbikeshop was the usual, prompt and efficient with the item well packaged. Why would you shop anywhere else?

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June 5, 2017 - by Paul B

Excellent service

Sportsbikeshop to the rescue once again, as this oil is difficult to get elsewhere.

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October 12, 2016 - by Jody S

Excellent service yet again

Once again Sportsbikeshop deliver the goods on time and at the right price. Almost everywhere else had a long lead time for this oil. Sportsbikeshop had it in stock ready for same day dispatch. Tracking info was excellent as always.

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September 23, 2016 - by Trevor T

Bema service

This is the first service I have done on my BMWr1200gs and was not sure about what type of engine oil to use but after some research found this is OK. Done the service and it runs like a dream. SWEET.

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June 15, 2016 - by Neil

Excellent service

Best price, best product, next day tracked delivery so I knew where the van was. Great customer experience.

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Castrol Power 1 4T 15W-50

  • Trizone Technology
  • Power release technology for max & sustained engine performance
  • Extreme high temperature air-cooled & water-cooled engine performance
  • No compromise engine protection
  • Complies with requirements of catalyst equipped engines
  • Good oil consumption control

NOTE Packaging may be different from picture shown.

Castrol Power 1 GPS 4T is a part synthetic 4-stroke engine oil designed for the latest generation of sport, touring and on-off road bikes from leading European and Japanese manufacturers. 10W-30 has been developed for engines that specifically require a low viscosity lubricant; 10W-40 is suitable for high performance bikes including highly stressed multi cylinder units; 15W-50 is particularly well suited for large sized, air cooled mono and twins. It is also well suited for high mileage engines that require good high temperature viscosity and oil consumption control. Castrol Power 1 GPS employs the very latest Trizone Technology that gives optimum protection to the engine, clutch and gears even under the most arduous conditions, including sustained operations at high rpm.

API Standards:API SJ
JASO Standards:JASO MA2



Castrol is the world leading manufacturer, distributor and marketer of premium lubricating oils, greases and related services to automotive, industrial, marine, aviation, oil exploration and production customers across the world.

Castrol offers lubricants for virtually all domestic, commercial and industrial applications. With their 13 R&D centres globally, they develop and test hundreds of new products every year.

See all Castrol products
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