honda-power-equipment harmony ii hrs216pda ユーザーズマニュアル

Your lawn mower engine is not factory-equipped with a spark arrester. 
In some areas, it is illegal to operate an engine without a spark 
arrester. Check local laws and regulations. An optional USDA 
approved spark arrester is available from an authorized Honda 
servicing dealer. See page 58 for part numbers.

The spark arrester must be serviced every 100 hours to keep it 
functioning as designed.

1. Allow the engine to cool, then remove the bolts from the muffler 

shield. Remove the muffler shield.

2. Remove the two set screws and remove the spark arrester.

3. Check for carbon deposits on the spark arrester and the exhaust 

port. Use a brush to remove any carbon deposits from the screen. 
Replace the screen if it is torn or damaged.

4. Installation is the reverse of removal. Tighten all hardware 

securely.