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Millers Oils ZSS 20w-50 4T Semi Synthetic Motorcycle Engine Oil

Millers Oils ZSS 20w-50 4T Semi Synthetic Motorcycle Engine Oil


Millers ZSS 4T 20w50 - 1 Litre

1 Litre


Millers ZSS 4T 20w50 - 4 Litres

4 Litres


Millers ZSS 4T 20w50 - 20 Litres

20 Litres


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  • Description
  • Benefits
  • Specifications
  • Shipping Explained

Millers Oils ZSS 20w-50 4T Semi Synthetic Motorcycle Engine Oil

A high performance semi synthetic engine oil for 4-stroke motorcycle engines requiring a SAE 20w50 viscosity. Based on the highest quality performance additives and shear stable viscosity improvers in synthetic and mineral base stocks to give long term protection and and high performance characteristics.

Use as received for lubrication of 4-stroke motorcycle, kart and scooter engines specifying a SAE 20w50 viscosity. Ideal for V-twin and older, larger capacity engines.

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  • Sophisticated performance additive package offers maximum protection and reliability
  • Viscometrics reduce oil consumption making this oil particularly suitable for long distance and severe operating conditions
  • Formulated to provide high temperature viscosity at the top limit of an SAE 50 which ensures that oil pressure will be maintained under extreme conditions
  • Suitable for use in machines fitted with oil immersed ‘wet’ clutches


  • API SG, SH, SJ


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...

"Need a 20w-50 4 stroke engine oil? Here's a good one. Ideal for V-twin and older, larger capacity engines."

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