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KTM Announces EFI Two Strokes

by Ron Smith on 03/15/2017

It's official, KTM will be adding EFI to thier off-road line two strokes for 2018.

KTM ANNOUNCES GROUNDBREAKING 2-STROKE FUEL INJECTION ENDURO MACHINES

KTM EXC 2018_engine

KTM EXC 2018_engine

 

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

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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