CHAMPION L82YCC SPARK PLUG

Function and technical context

The Champion L82YCC spark plug is the component responsible for generating the electrical spark that ignites the air-fuel mixture inside the combustion chamber of the outboard engine. It works directly in the ignition system, acting as the last link between the high voltage current generated by the coil and the controlled explosion cycle that moves the piston. A bad spark plug causes incomplete or irregular combustion, which results in loss of power, increased fuel consumption and difficulties in starting the engine, especially when cold or after stopping in the water. Its condition directly affects the overall performance of the engine, so keeping it in perfect condition is essential to guarantee safe and efficient navigation.

When to replace this part?

The most common symptoms of a worn or defective spark plug include difficult or failed starts, jerks and loss of speed during navigation, high fuel consumption and in advanced cases black or bluish smoke from the exhaust. In outboard engines, it is recommended to inspect the spark plugs during each seasonal maintenance and replace them every 100 hours of use or annually, whichever comes first, since the marine environment accelerates the deterioration of the electrodes due to humidity and salinity. Changing the spark plug preventively is one of the most economical interventions in nautical maintenance and prevents breakdowns that can leave you immobilized in the water.

Compatibility table