Honda GCV135E Owner's Manual page 14

5. Spark arrester maintenance (optional part)
If the engine has been running, the muffler will be very hot. Allow
it to cool before proceeding.
The spark arrester must be serviced every 100 hours to maintain
its efficiency.
1. Remove the muffler protector by removing the three 6 mm bolts.
2. Remove the spark arrester from the muffler by removing the
two screws. (Taking care not to damage the wire mesh.)
Check for carbon deposits around the exhaust port and the spark
arrester, and clean if necessary.
SPARK ARRESTER
6 mm BOLTS
SCREW
MUFFLER
SCREW
MUFFLER PROTECTOR
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3. Use a brush to remove carbon deposits from the spark arrester
screen.
Be careful not to damage the spark arrester screen.
SCREEN
The spark arrester must be free of breaks and holes. Replace, if
necessary.
4. Install the spark arrester and the muffler in the reverse order of
disassembly.
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