Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Seized spark plugs › Reply To: Seized spark plugs April 15, 2020 at 1:37 pm #954274 Dave TidmanParticipant Here is a good summary: Remove a stuck spark plug This takes a lot of patience. Go too fast and you can strip the threads in the cylinder head, and then you are in a world of hurt.