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14:05 Feb 15, 2012
English to Russian translations [PRO] Tech/Engineering - Materials (Plastics, Ceramics, etc.) / engine oils
English term or phrase:or below
Recommended for all 4-stroke motorcycle engines where API: SJ or below are required.
API (American Petroleum Institute) Grades
A Double letter 'API' code classifies oils as suitable for different uses. The first letter of the API grade shows the type of engine an oil can be used in (either petrol or diesel). All petrol engines are classified 'S' which stands for 'spark ignition engines'. All diesel engines are classified 'C' which stands for 'compression ignition engines'.
The second letter of the API grade defines the quality of the oil. Ratings start with the letter 'A' (which is the lowest quality) & currently go up to the letter 'J' (which is currently the highest quality). http://www.whitedoglubes.com/oilinfo.htm