If your mower started on the first or second pull last autumn and now refuses to fire at all, the fuel sitting in the tank is ...
Try simply wiping wet grease off with a paper towel or soft cloth. That may remove most or all the residue. For dried or ...
For tougher buildup, use a light sprinkle of baking soda as a gentle scrub, then finish with a vinegar-and-water wipe. Keep ...