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Building a two-stroke leak down tester for under $50, in two stops. more_>

by Ron Smith on 03/11/2017

Assembled Tester

Because air leaks are particularly risky on a two-stroke it is important to test for them. Unlike a four-stroke engine a two-stroke requires an air tight crank case to operate correctly. It is alternately under vacuum and compression during each cycle.

You can build one yourself for under $50. Here is how.

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Spark Plug Heat Ranges more_>

by Terry Preston on 02/28/2017

Illustration of the effect of insulator tip length.

What Hot vs Cold really means for spark plugs

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Two Stroke Troubleshooting in 4 Parts (Part 1) more_>

by Ron Smith on 01/25/2017

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