When you find yourself in the predicament of making sure that you are picking the best oil for your boat, there are many things that you must consider. Just buying high quality oil is not enough because not all oil is meant for every single type of engine. You have to look at the type of engine that it is meant to be used with and ensure it meets all of your engines guidelines.
Looking at the ratings on the oil can make it so that you are sure that this is actually quality oil rather than just oil for anything else. Picking an oil that matches the brand of engine that you will be running can also be a very good idea. Most manufacturers know what the best outboard motor oil for their engines is and will make sure that their oil meets engine standards.