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Motorcycle Engine Oil :The proper use of engine oils in motorcycle; ~ Grease n Gasoline

Part One: What is motor oil really made of?
Editor's Note: This is Part One of a special Sport Rider comparison test, where we unlock the mysteries and debunk some of the myths of motor oil. We examine just what goes into motor oil, why those ingredients are there and what it means for your engine. In the next issue, Part Two will feature a scientific analysis of all major motorcycle-specific motor oils, plus a wear and dyno test of specific oils to determine whether there is a power difference.

When motorcyclists discuss engine oil, they quickly polarize into two groups. There are those who think all oils are basically the same, and that anyone spending more for premium oils is wasting his money, and there are those who feel there is a difference and are willing to spend the money to get the best product available. However, both groups share a lack of scientific information allowing them to make an informed decision. To offer some insight into this heated topic and help you determine which oil is right for you, we've decided to delve into this outwardly simple-but very complex-product. In Part One of this two-part series, we'll dissect the real what, how and whys of motor oil.