Honda TRX680FA2011 Owner's Manual page 150

3. Use a brush to remove carbon deposits from the spark arrester screen
( ). Be careful to avoid damaging the spark arrester screen. 5
The spark arrester must be free of breaks and holes. Replace, if
necessary. Check the gasket. Replace, if necessary.
(5)
(5) spark arrester screen
4. Install the spark arrester and the gasket in the muffler and tighten the
bolts securely.
Spark Arrester
Servicing Your Honda
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