Amsoil Synthetic oil, the First in Synthetics since 1972

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Motorcycle Oil Comparison

Below is a technical study from 2009 that is now obsolete and may not be representative of oils currently on the marketplace. This test result reflects properties of oils available for purchase at the time of testing. The test results do not reflect properties of those oils reformulated subsequent to testing.

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Motorcycle Oil Comparison, A Study of Motorcycle Oils, Second Edition

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