A maintenance routine that includes servicing the spark plugs, air filter and engine oil helps keep your lawn mower running ...

Any DIYer tackling a spark plug change can benefit from using spark plug sockets. Unlike normal sockets, they actually grip onto the plug, making extraction easy.

Spark plugs for gas-powered lawn mowers aren't universal. They vary in size, gap, and heat range. The type you need depends on your mower's engine model.