This blog is a step-by-step instructions for replacing the spark plug on a lawn mower. The most common reasons for replacing the spark plug are when the lawn mower won’t start, is hard to start, stops after a few seconds, or runs poorly.

Replacement

Before you begin the replacement, you need to make sure the engine has cooled and remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
Step 1: Use a socket or a spark plug wrench to remove the old spark plug.
Step 2: Install the new spark plug by screwing it into the cylinder head and be careful not to over tighten or damage the plug itself.
Once secured, you need to reattach the spark plug wire and boot, and your lawn mower should be ready for use.

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