When there is significant carbon buildup on spark plugs, cleaning them is a good solution. Below are the steps for cleaning spark plugs affected by carbon buildup.
1：Before cleaning the spark plugs, remove them from the engine cylinder. Ensure to clean the area around the spark plug device to prevent impurities and oil from entering the cylinder.
2：After removing the spark plugs, use a small knife or other tools to preliminarily clean the dirt and carbon buildup on the spark plugs. Be cautious about the force applied to avoid damaging the spark plugs. In cases of stubborn stains, attempting to burn off the residue on the spark plugs can be done with caution, using a gentle flame to avoid damaging the insulating layer.
3：Once the dirt and carbon buildup are cleaned, wash the spark plugs with gasoline and dry them.
4：Now it's time to reinstall the spark plugs. Before installation, check whether the electrode gap of the spark plugs meets the specified value. If the electrode gap is not within the required range, use professional tools to adjust it. After adjusting, install the spark plugs in the correct position and sequence.
In addition to the above methods, you can also use a carburetor cleaner to clean spark plugs. Pour the carburetor cleaner into a container, soak the spark plugs in it for about half an hour, then remove the spark plugs and brush them with a soft brush. This method effectively cleans oil, dirt, and carbon buildup from spark plugs. Regardless of the method used, it is crucial to follow proper procedures to avoid causing harm to personal safety.
