Engine Oil Specs: Part One

For those of us who aren’t certified mechanics or spend every waking moment doing research on our vehicles, choosing the proper parts and products can often be a guessing game. When it comes to your outboard motor oil, however, there is no need to make guesses. There are testing associations in both the US and overseas that work to ensure oils meet certain standards and specifications.

In Europe, this group is comprised of 13 major manufacturers and known as the European Automobile Manufacturers Association, or the ACEA. Their US counterpart, the American Petroleum Institute (API), includes over 400 corporations and is responsible for producing service categories. In additions to the API, the US also has the American Society of Testing and Materials (ASTM), which set limits on oil quality. Tomorrow we will go into more specifics about each organization and take a closer look at the information they provide.

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