The standard is strict about contamination. It details how to extract a sample from the radiator or overflow tank without introducing air bubbles or debris, which would alter the test results.
The standards outline specific performance requirements for lubricants, including viscosity, friction characteristics, and compatibility with various materials. jaso d0144 pdf
The JASO D0144 PDF document provides a detailed methodology for testing lubricants, including the preparation of test equipment, test procedures, and evaluation criteria. The standard covers various aspects of lubricant performance, including: The standard is strict about contamination
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