Honda BF40D Owner's Manual page 115

DRAIN BOLT
COVER
SCREW
2. Loosen the drain bolt cover screw
using a flat screwdriver and remove
the drain bolt cover.
DRAIN BOLT
COVER
3. Place the drain bolt cover as shown
to use it as a drain oil guide. Place a
suitable container under the guide.
MAINTENANCE
SEALING
WASHER
DRAIN
BOLT
4. Remove the engine oil drain bolt
and sealing washer using the 12
mm wrench and drain the engine
oil.
Install a new sealing washer and drain
bolt, and tighten bolt securely.
113