Honda 2012 TRX420TM Owner's Manual page 120

Engine Oil & Filter
3. Remove the oil filter cover ( ) by removing the bolts ( ). Let the
remaining oil drain out. Discard the oil filter ( ) in an approved
manner (page 184 ).
4. Apply engine oil to a new O-rings ( ) and install them to the oil filter
cover. Then install a new oil filter. Use only the Honda Genuine oil
filter or a filter of equivalent quality specified for your model. Using
the wrong Honda filter or a non-Honda filter which is not of
equivalent quality may cause engine damage.
5. Reposition the spring ( ) to the engine crankcase and install a new oil
filter with the rubber seal ( ) facing out, away from the engine. You
will see the ''OUTSIDE (TOWARDS FILTER COVER)'' mark ( )
on the filter body, near the seal.
Improper installation of the oil f ilter can cause serious engine damage.
RIGHT SIDE
(6)
(2)
(2) oil filter cover
(3) bolts
(4) oil filter
(5) O-rings
112 Servicing Your Honda
2
4
5
6
7
(4) (8)
(7)
(2)
(3)
(6) spring
(7) rubber seal
(8) ''OUTSIDE'' mark
3
8
(5)
(3)