Regular lawn mower maintenance, including spark plug replacement, leads to a healthier and better-looking lawn. Always practice safety precautions when working with spark plugs to prevent ...

Or, perhaps worse, the engine might require more power to start, and if you have a pull start mower this means pulling harder. Plugs that are in bad shape can also cause engine damage. It's time to ...

You can often fix this problem by gently rocking the blades while the spark plug is disconnected. Your lawn mower's moving parts must be adequately lubricated to keep them functioning as they should.

While wearing goggles and safety gloves, make sure your lawn mower is unplugged from a power supply or the battery has been removed. Disconnect the spark plug wire if you're using a gas lawn mower.