How to Clean a Stihl Weed Eater Muffler
- 1). Loosen the spark plug screw and pull off the spark plug boot.
- 2). Remove the mounting screws from the shroud and lift it off.
- 3). Remove the self-tapping screws above and below the baffle and spark-arresting screen.
- 4). Remove the baffle and screen.
- 5). Clean the spark-arresting screen with a rag dampened with gasoline. Let the screen dry.
- 6). Reassemble the unit and test it.
Source...