From Kawasaki’s FR730V to Kohler’s carburetors, small engine reliability comes down to proper maintenance, timely troubleshooting, and smart cleaning techniques. Whether it’s a clogged jet, stale fuel ...

Spark plugs may be small, but they’re vital to your car’s performance, fuel economy, and reliability. Misfires, rough idling, and poor acceleration often trace back to worn or fouled plugs. Knowing ...

For hot rodders, spark plugs are often nothing more than inspection tools that reveal whether an engine is running too rich, too lean, or just right. Street guys look for a nice tannish-brown tint on ...

If you consider your spark plugs little more than disposable engine parts to be replaced for every event or two, you're missing out on a valuable engine-tuning tool. Not only can the correct plug ...

Before storing away your gas-powered lawn equipment for the winter, it’s important to prep the engine to ensure it starts quickly and runs smoothly next spring. There’s an ongoing debate about the ...

All spark plugs may look the same to the untrained eye. Unfortunately, nothing could be further from the truth. For starters, spark plugs come in many types that are mainly differentiated by the ...

Spark plug testers will only help you figure out issues related to spark plugs. Does that make them useless, or is there a point to having them around?