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Performance Engine Oils
Millers Oils ZSS 10w-40 4T Semi Synthetic Motorcycle Engine Oil

Millers Oils ZSS 10w-40 4T Semi Synthetic Motorcycle Engine Oil


Millers ZSS 4T 10w-40 - 1 Litre

1 Litre


Millers ZSS 4T 10w-40 - 4 Litres

4 Litres


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  • Description
  • Benefits
  • Specifications
  • Shipping Explained

Millers Oils ZSS 10w-40 4T Semi Synthetic Motorcycle Engine Oil

A high performance semi synthetic 4-stroke motorcycle engine oil featuring a combination of the highest quality performance additives in synthetic and mineral base stocks.

For engine lubrication of high performance 4-stroke motorcycle, kart and scooter engines specifying a 10w40 viscosity oil. Recommended for the majority of Japanese and European 4 stroke motorcycles.

PDF Downloads:

Download the Technical PDFDownload the Safety PDF


  • Sophisticated performance additive package offers maximum protection and reliability
  • Suitable for off-road, on-road and track day use
  • Suitable for use in motorbikes fitted with oil immersed 'wet' clutches


  • API SG, SH, SJ
  • JASO MA / 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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We say...

"A good all round semi synthetic 10w-40 motorbike 4 stroke engine oil

Review Opie Oils

Review Stars

Rated Excellent