CHAMPION RL82YC SPARK PLUG

Function and technical context

The Champion RL82YC spark plug is part of the ignition system of marine petrol engines, being the element responsible for generating the electric spark that initiates the combustion of the air-fuel mixture in each cylinder. It works inside the combustion chamber, supporting continuous cycles of high tension, pressure and temperature typical of the marine environment. Its correct operation is decisive to maintain ignition timing, fuel consumption efficiency and engine response under load while navigating. If the spark plug degrades, the engine may misfire, lose power or have irregular petrol consumption that compromises the boat's autonomy. The reference CHARL82YC guarantees direct compatibility with conventional ignition systems of Mercruiser engines, with cross references 33-814, 33-896329814 and 814.

When to replace this part?

The most common symptoms of a worn or bad spark plug include difficulty starting when cold, jerks or irregularities in the idle speed, abnormal vibrations in the engine and a perceptible increase in petrol consumption. In marine applications, it is recommended to check and replace the spark plugs annually, coinciding with seasonal maintenance or every 100 hours of navigation, since the humidity and salinity of the environment accelerate the deterioration of the electrode and the insulator. Changing the spark plugs preventively is a low-cost measure that avoids unforeseen stops at sea and protects the general condition of the ignition system.

Engine Compatibility

Equivalent manufacturer part numbers