Replacing spark plugs regularly is crucial for consistent starting and improved fuel economy in your lawn mower. By following the proper steps, you can easily remove and replace spark plugs on ...

Step 1: Check the Air Filter. Even if your mower has a brand-new spark plug, it won’t run smoothly if air can’t get into the carburetor and combustion chamber.

To remove your mower’s blades, wear heavy leather gloves, remove the spark plug wire, and jam in a short 2x4 to keep the blade from turning as you loosen the bolts. Even tractor blades should be ...

In a pull-start mower, search around for the spark plug near the hole where the pull cord feeds through. If you can't find it, try searching the web for your specific model's parts diagram.

Before you do any work on a gas-engine mower, remove the spark plug wire. Bend the wire around so the boot cannot make contact with the tip of the spark plug. 2 Tilt the mower over to expose the ...

With a battery mower, remove the batteries; with a gas mower, remove the spark plug. Then turn the mower on its side. In gas mowers, you’ll want the air filter facing up to prevent oil from ...