How tight should a lawn mower spark plug be?

How tight should a lawn mower spark plug be? The tapered seat spark plugs must be installed by the use of the hands until finger-tight. Use an extra 1/16th turn with a spark plug wrench to make sure your spark plug is tightened to the manufacture’s recommendation. How tight should a spark plug be? Tighten … Continue reading How tight should a lawn mower spark plug be?