Crankcase Breather - Honda CRF125F 2021 Owner's Manual

CRANKCASE BREATHER

Refer to the Safety Precautions on page 55.
Service more frequently if your motorcycle
is ridden in the rain or often at full throttle.
If the drain tube overflows, the air filter may
become contaminated with engine oil
causing poor engine performance.
1. Place a suitable container under the
crankcase breather tube.
2. Remove the crankcase breather drain
tube (1).
3. Drain deposits into a suitable container.
4. Install the crankcase breather drain
tube.
64
(1)
(1) Crankcase breather drain tube