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How To Do A Leak Down Test Yourself // Part Two

9/8/2015

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How To Do A Leak Down Test On A Dirt Bike
In my last post I covered what a leak down test is and how it can be used to determine engine problems. Today I’ll go through and detail how to do a leak down test on your dirt bike engine step-by-step.
Picture of a leakage tester
How to Perform a Leak Down Test
To perform a leak down test you will need an air source capable of at least 115psi output pressure. Most leak down tests are performed at a regulated pressure of 100psi. This makes testing simple and the correlation of leakage a breeze since you’re working on a scale from 0-100. Lower test pressures such as 90psi can be used in the event that the air system isn’t capable of anything over 100psi or the specific leak down tester you have doesn’t work on a 100psi scale. Just remember if you test at a value other than 100psi, you will need to mathematically determine the leakage percentage since it is no longer a direct correlation.


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How To Do A Leak Down Test Yourself // Part One

9/1/2015

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Determining how healthy an engine is can be tricky business. I’ve previously covered compression testing (pt 1 here and pt 2 here), but now I want to discuss what a leak down test is and how to perform one on a four-stroke dirt bike engine. This will be a two part series, with the first part emphasising the details of a leakdown test, and the second part explaining in detail how to correctly perform a leak down test. Let’s get started!
How To Perform a Leak Down Test On Your Dirt Bike

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