If you're like us, you've done a lot of thinking lately about the different shapes and lengths of spark plug tips. But odds are that you're nothing like us (good for you), and you've given absolutely ...

Spark plug lifespan depends on the electrode material. Copper plugs last 20,000 to 30,000 miles, platinum plugs last around 60,000 miles, and iridium plugs last 80,000 to 100,000 miles. Worn plugs ...

Spark plugs can get wet in a lot of ways. That's not to say it happens all the time, especially in newer engines, but it does happen. And when the plug is soaked, it's not going to fire. That's true ...

Almost every lawn mower owner has experienced the frustration of pulling the starter cord repeatedly only to have it sputter — or even worse, not start at all. While fuel issues, a dirty carburetor, ...