Do I Disconnect Battery To Change Spark Plugs. Why do you have to drive 300 miles when you disconnect the battery. Make sure you have the correct spark plugs for your boats engine.
Removing the Spark Plugs. The coil can be removed once disconnected as it cant do anything by itself. Disconnect the negative battery terminal.
Remove any covers if necessary.
Probably the most important safety precaution that you can take when doing your own repairs or maintenance on a lawnmower is to disconnect the spark plug wire before you do anything else. Why do you have to drive 300 miles when you disconnect the battery. For a car with Coil on plug you disconnect the coils before you remove them so theres no way any high voltage can be generated. Beside this do you have to disconnect battery when changing spark plugs.
