Honda TRX500FGA Owner's Manual page 203

Spark Arrester
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) spark arrester screen
4. Install the spark arrester and gasket in the muffler, and tighten the
bolts to the specified torque:
9 lbf·ft (12 N·m , 1.2 kgf·m)
194 Servicing Your Honda
(5)