Why are the spark plugs in my lawnmower covered in black after two minutes?


Posted October 15th, 2009 by admin 10 Comments »
lawnmower
Ax asked:


I have a Weed Eater push mower with a Briggs and Straton engine.
I have a Briggs and Straton engine. Once the plugs are covered in black dust. I lose power and it inevitably shuts off.