Honda CRF125F 2023 Owner's Manual page 89

Spark Arrester
3. Use a brush to remove carbon deposits from
the spark arrester screen (5). Be careful to
avoid damaging the spark arrester screen.
The spark arrester must be free of breaks and
holes. Replace, if necessary.
(5) spark arrester screen
80
Servicing Your Honda
(5)
4. Install the spark arrester with a new gasket
and tighten the bolts to the specified torque:
7 lbf·ft (10 N·m , 1.0 kgf·m)