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Echo Chainsaw (Model #CS310) Spark Plug Replacement #5574

This video provides step-by-step repair instructions for replacing the spark plug on an Echo chainsaw. The most common reasons for replacing the spark plug are when the chainsaw won’t start or runs poorly.

All of the information for this spark plug replacement video is applicable to the following brands:
Echo, Shindaiwa
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Ignition Coil and Spark Plug Testing:

Ignition Coil and Spark Plug Testing

How your chainsaw works:

How It Works: Chainsaw
For additional repair advice and help finding your model number visit the repair help section of our website: Chainsaw repair help