Look at the tip of the removed spark plug. A spark plug should come out of an engine with a central electrode that's got a light gray or brown residue. It should be free from any oily or fluffy black ...

Unless you own a diesel motorcycle, then the spark plug in your petrol engine is probably one of the most key components if you want to operate your bike. Of course, there are others – tyres, brakes ...

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion chamber ...

If you own a gas-powered lawn mower, whether it is a compact push model or a giant zero-turn ride-on, there are a few key maintenance tasks you should perform to ensure a long life. You will want to ...

Changing your own spark plugs is a rite of passage among gearheads. It shows you’re fully aware that your car needs basic maintenance to stay in tip-top shape, and that you’re ready to tackle it ...

Spark plugs are essential to the running of a vehicle, helping ignite the mixture of air and fuel to provide combustion to the engine. There are three specific parts of a spark plug, a central ...