Two Stroke Engine Oil Scenario in India 951801

India is having a large population of two stroke cycle engines. Before the advent of two stroke engine oils in India, motor oils were used to be mixed alongwith gasoline for two stroke engine lubrication for those vehicles having premixed type of lubrication system. The motor oils due to the high ash containing additives give rise to problems like pre-ignition, spark plug whiskering and combustion chamber deposits thereby leading to frequent breakdown of engines for maintenance. During the '8∅s the development of two stroke engine oils was taken up and the two stroke oils, confirming to ASTM/CEC standards, were introduced in the market. Due to the diversified designs of the two stroke engines owing their origin to both European and Japanese engine builders, it was felt necessary to have the Indian standards for two stroke engine oils comprising tests that incorporate both these types of engines. The paper discusses the trends in two stroke engine vehicles population, the development of two stroke oils and the Indian standards.


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