Sparkplugs. Pulled them out, cleaned them up and put them back in. Wire wheel on a Dremel works pretty well, I think. Cleaned up all my trail-spare sparkplugs (never can tell when you'll need 12 spares on a run).
I cleaned these a year ago. Running Ca gas. What do the plugs say?
I cleaned these a year ago. Running Ca gas. What do the plugs say?