• Aspen-4
  • Group_Aspen4_1L_5L_25L_60L_200L-scaled

Aspen 4 Alkylate Fuel | 4-Stroke Fuel | – 5 Litre (Collection Only)

There are many reasons why people choose to use Aspen in their garden machinery.

All of these benefits contribute to a better all-round experience whilst using your machinery, making your gardening easier and more enjoyable.

The advantages:

  • No expensive repair bills caused by stale fuel
  • Your machine always starts and is ready to go, even after long standstill periods
  • Lasts for years without deterioration
  • Aspen does not contain ethanol
  • Virtually odourless
  • Less maintenance and a longer machine life
  • Available in a conveniently sized container
  • Premixed 2-stroke eliminates the need to mix yourself
  • Easy to select the correct fuel using the coloured cans and coloured reminder stickers on your machine
  • Protects your health and the environment

Availability: In Stock

Excl. Tax: £16.25
Incl. Tax: £19.50



Aspen 4 is alkylate petrol without oil – suitable for lawnmowers, rotary cultivators, snow blowers, boats and other 4-stroke engines. Ordinary petrol contains ethanol which attracts moisture and can cause engine failures. Aspen Alkylate Petrol contains no ethanol, making it ideal for use in marine environments. To use Aspen Alkylate Petrol in your 2-stroke outboard motor, simply mix Aspen 4 with outboard oil. To minimise the environmental impact, choose a biodegradable oil.

Aspen 4 is virtually free from harmful substances such as benzene, aromatic hydrocarbons or olefins; substances that can cause serious health problems. Aspen Alkylate Petrol also keeps the spark plugs and combustion chamber of your machine cleaner. Aspen can be stored for a long time without any deterioration in quality, which makes your engine easy to start – even after long standstill periods. There are numerous environmental benefits, such as reducing the formation of ground-level ozone (smog) by about 40%.


Regular petrol contains harmful substances such as benzene, olefins and aromatics.

Aspen Alkylate Petrol contains virtually none of these harmful substances, and therefore reduces harmful hydrocarbon emissions by up to 99%.

You are breathing much cleaner air whilst running your machinery on Aspen.

Using premixed Aspen 2 eliminates the need for you to mix your own 2-stroke fuel – making it more convenient, saving time, and removing the risk of mixing incorrectly.

Simply select which fuel your machine needs by using the reminder stickers on your machine’s fuel tank, or ask your Aspen stockist.


Regular petrol is a mixture of about one hundred substances, some of which have a negative effect on the operation of the engine.

Aspen Alkylate Petrol consists of only a dozen substances that help create a cleaner and a longer lasting engine.

Picture: carburetor with ethanol damage caused by stale unleaded petrol

Put an end to starting issues
Modern petrol deteriorates quickly. This is a big problem for garden machinery as it often goes long periods without use. Aspen does not contain the chemicals which cause the deterioration in fuel, and as a result, stays fresh for years.

Machinery using Aspen Alkylate Petrol may be stored for long periods without any starting issues. This is not only easier, but also saves on costly maintenance.


When compared to cars, small engines such as chainsaws and lawnmowers emit a relatively large amount of unburnt fuel. These unburnt parts of regular petrol contain substances harmful to the environment.

Aspen has virtually no pollutants. For example, you can mow for 100 hours with Aspen Alkylate Petrol before reaching the same level of toxic benzene emissions as one hour of mowing with regular petrol!

Better for the water and marine wildlife

Did you know that 25% of the fuel from thousands of older outboard motors remains unburnt and goes straight into the sea, lakes and waterways?

Using Aspen means 300 times less pollutants end up in the water compared to using normal petrol.


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