Honda TRX420FPA Owner's Manual page 143

Air Cleaner
Air Cleaner Housing Drain Tube
The air cleaner housing drain tube should be serviced in accordance with
the Maintenance Schedule. (Riding through water may require more
frequent inspection.) If deposits can be seen in the drain tube, the tube
must be cleaned before starting the vehicle.
RIGHT REAR
(1) drain tube
(2) clip
1. Remove the drain tube ( ) by removing the clip ( ) under the air
cleaner housing ( ). 3
2. Drain the deposits.
3. Reinstall the drain tube, securing it with the clip.
134 Servicing Your Honda
(2)
(1)
(3) air cleaner housing
1
(3)
2