If your lawnmower is running rough or is hard to start, it is likely that the spark plug is bad. Use a spark plug wrench to replace the plug in a few minutes. More »

www.reference.com Home & Garden Home Maintenance Tools

Spark plugs are replaced every 80,000 miles. Many vehicle manufactures claim their spark plugs can last up to 100,000 miles, but as the gap in the plugs widen, the chance of vehicle problems rises significantly. Some of ... More »

www.reference.com Vehicles Car Parts & Maintenance

There are several steps to changing spark plugs, beginning with making sure the engine is completely cool. Next, remove one spark plug wire by gently lifting straight up from the spark plug. It is important to change one... More »

www.reference.com Vehicles Car Parts & Maintenance

Briggs and Stratton recommends checking the fuel levels, air filter and spark plug as initial troubleshooting steps when a lawn mower won't start or won't stay running. Changing the cutting height on the lawn mower blade... More »

To troubleshoot a Toro lawn mower, check the fuel, spark plug, air filter and battery. If troubleshooting doesn't work, contact Toro for repair service. You may need replacement parts depending on the nature of the probl... More »

Lawnmowers sputter and die out when they don't have the right mixture of air, fuel and spark to maintain optimal performance. Once this happens, restarting the lawnmower is often a difficult undertaking. More »

A spark plug socket is a specialized, deep-length socket designed to fit over the plug terminal and insulator while it grips the hex nut for removal. Most spark plug sockets come in two sizes: 5/8 inches and 13/16 inches... More »

www.reference.com Home & Garden Home Maintenance Tools