International Organization for Standardization (ISO)
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ISO 6743-15:2007
Scope
This part of ISO 6743 establishes the detailed classification, in tabular form, of engine lubricating oils for use
in the following internal combustion engines:
a) two-stroke cycle, spark-ignition gasoline engines that employ a crankcase scavenging system and are
used in transportation, leisure and utility applications, such as motorcycles, snowmobiles, chainsaws
(hereinafter referred to as two-stroke engine oils);
b) four-stroke cycle, spark-ignition gasoline engines that employ a common sump containing the lubricant for
both the engine and the drive train/starter/transmission of motorcycles, motor scooters, all-terrain vehicles
(ATVs) and related equipment (hereinafter referred to as four-stroke engine oils).
Outboard motor and marine engine applications are described in Annex A.
It is expected that this part of ISO 6743 be read in conjunction with ISO 6743-99 [1].
ISO 6743-15:2007 Referenced Document
ISO 3448 Industrial liquid lubricants - ISO vicosity classification; Technical Corrigendum 1
ISO 6743-15:2007 history
2007ISO 6743-15:2007 Lubricants, industrial oils and related products (class L) - Classification - Part 15: Family E (Internal combustion engine oils)
2000ISO 6743-15:2000 Lubricants, industrial oils and related products (class L) - Classification - Part 15: Family E (Internal combustion engine oils)