Describe the specific part or component of this device you're working on. Ex: Battery
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First, you must buy spark plugs that correspond to the engine or their equivalent. Consult the owner's manual.
Next, you must use a spark plug wrench. Apply force while twisting counterclockwise, until you remove the spark plug.
Insert the new spark plug. Be careful to not let the new spark plug fall because it can alter the opening of the electrode. It is recommended to use a piece of hose or a wrench to insert it carefully, turning it in a clockwise direction BY HAND to avoid damaging the threads if inserted wrong.
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