DescriptionThis video provides step-by-step instructions for replacing the spark plug on Echo chainsaws. The most common reason for replacing the spark plug is if the engine does not start and there is any doubt that the spark plug is working properly.
All of the information in this spark plug replacement video is applicable to the following brands: Echo, Shindaiwa
Step-By-Step Instructions1
Before you replace the spark plug on your string trimmer first make sure the engine has cooled.
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Next, remove the wire and boot from the spark plug.
3
Use a socket or a spark plug wrench to help remove the old spark plug.
4
Install the new spark plug by threading it into the cylinder head.
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Be careful not to over tighten.
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Once secured, attach the wire and boot to the new spark plug and your string trimmer should be ready for use.