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Millers Oils ZFS 10w-40 4T Fully Synthetic Motorcycle Engine Oil

Millers Oils ZFS 10w-40 4T Fully Synthetic Motorcycle Engine Oil


Millers Oils ZFS 4T 10w-40 - 1 Litre

1 Litre


Millers Oils ZFS 4T 10w-40 - 4 Litres

4 Litres


Millers Oils ZFS 4T 10w-40 - 20 Litres

20 Litres


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  • Description
  • Benefits
  • Specifications
  • Shipping Explained

Millers Oils ZFS 10w-40 4T Fully Synthetic Motorcycle Engine Oil

A fully synthetic 4-stroke motorcycle engine oil formulated with 100% synthetic base fluids and the latest additive technology for maximum performance in 4 stroke motorcycles.

For motorcycle engines and transmissions where maximum performance is required. Specially developed for both road and track use in both air and water-cooled motorcycles.

PDF Downloads:

Download the Technical PDFDownload the Safety PDF


  • Constant high friction profile for wet clutch performance exceeding the JASO MA2 specification
  • A fully synthetic base oil and additives to give high temperature endurance
  • Optimisation for four-stroke engines to give cleanliness and improved operation
  • Excellent oxidation resistance and valve train-wear protection
  • Seal compatibility
  • Suitable for use in machines fitted with oil immersed 'wet' clutches


  • API SL
  • Exceeds JASO MA2


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 £5.99 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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