Petrol fuel for small internal combustion engines - Requirements and test methods

This document specifies requirements on petrol fuel for use as fuel in small engines, together with the methods to be applied for testing these properties. This document specifies requirements for two types of petrol fuel having low aromatics and sulfur content: - one type for use in four-stroke engines with separate lubrication; and - one mixed petrol fuel type for use in mixture-lubricated engines. Testing the properties of the added engine oil is out of the scope of this document. NOTE For the purposes of this document, the terms “% (m/m)” and “% (V/V)” are used to represent respectively the mass fraction and the volume fraction.