An internal combustion engine needs three things to get going: Air, fuel, and spark. The throttle body and intake plenum feed air, while injectors spray the right fuel mix into the combustion chamber.

Cooling systems allow your lawn mower's engine to run without overheating, so if they're not properly maintained, it can be ...

Spark plugs are one of those maintenance items that, along with things like brake fluid and thermostats, are easily ...