A Study of Motorcycle Oils

FEATURED INTERACTIVE TEST RESULTS

The interactive test results below offer a glimpse inside the testing that is conducted with each oil in the second edition of the "Study of Motorcycle Oils". To see how other oils compared to the AMSOIL products, simply click on their names on the left side of each graph, and their color-coded results will display. We will feature different tests on the page from time to time. If you want to know how all of the oils did on every test, you can download the entire document above.

Volatility (Evaporation) (ASTM D-5800) SAE 50 Results

1. Higher temperatures produce greater volatility (evaporation).
2. Increased volatility causes increased oil consumption and emissions.
3. Oil is first heated to 250° C for a period of 60 minutes.
4. Air is drawn through the container holding the oil sample to remove vapor.
5. After 60 minutes, the remaining oil volume is weighed.
6. Comparison to initial oil weight.
7. A lower weight loss score indicates better performance.

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