What is a Spark Plug?

A spark plug is an important component of internal combustion engines, typically in outboards applications, to ignite the fuel and air mixture by providing a spark. Spark plugs have a metal threaded shell connected to the engine’s ignition system and protruding into the combustion chamber. The tip of the spark plug is where the spark occurs.

How Do Spark Plugs Function?

Spark plugs function by producing a spark of electricity that ignites the air/fuel mixture within the engine. The spark plug has a small electrode at its tip connected to the ignition system. This electrode produces a spark of electricity that jumps across a small gap to the ground electrode when the engine is running. This spark will ignite the mixture of air and fuel to enable the engine to work smoothly.

Benefits of Changing Spark Plugs

Over extended periods, spark plugs can be damaged and must be replaced. Replacing spark plugs is an integral part of outboards maintenance. Benefits of changing spark plugs at regular intervals include:

• New spark plugs will improve the fuel efficiency of outboards.
• Replacing your old spark plugs with new ones would result in smoother engine operation.
• New spark plugs will also help reduce the emissions of your outboards.
• Replacing your worn-out spark plugs with good quality will result in a quicker start of your outboards.
• Increased horsepower is also an essential benefit of new and top-quality spark plugs.