The spark plug gap is the distance between the center electrode and the ground electrode of the spark plug.
Maintaining the correct spark plug gap helps ensure a strong, consistent spark to ignite the fuel-air mixture. An incorrect gap can cause hard starting, poor engine performance, misfires, or incomplete combustion.
Gas-Powered Products: The spark plug gap for all ECHO® gas-powered engines is 0.024–0.026 in. (0.6–0.8 mm).
Battery-Powered Products: Battery-powered ECHO® products do not use spark plugs and therefore do not have a spark plug gap.
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