Ari shows us just how hard it is to get to the spark plugs on most modern bikes. Watch the full episode of The Shop Manual on RevZilla: https://www.youtube.com/watch?v=52UmlOGAjK8 • Replacing your motorcycle spark plugs is a simple and crucial piece of maintenance, but there are a few ways you can screw it up. In this video, Ari shares some tips and tricks to make sure this important procedure goes smoothly, and answers questions about how to gap your spark plugs, whether to use antiseize, and e