Honda CRF450X 2020 Owner's Manual & Competition Handbook page 58

Subframe
11. Remove the positive (+) battery cable bands
(21), then release the positive (+) battery cable
(22) from the subframe (13).
(21)
(13)
(22)
(13) sub frame
(21) cable bands
(22) positive (+) battery cable
12. Disconnect the taillight connectors (23).
Remove the fuse box assembly mounting bolt/
washer (24).
Remove the regulator/rectifier mounting bolts
(25).
(23)
(23) taillight connectors
(24) fuse box assembly mounting bolt/washer
(25) regulator/rectifier mounting bolts
50
Servicing Your Honda
13. Remove the rear fender mounting bolt (26).
Remove the rear fender (27) to the rearward
being careful not to damage the taillight wire
harness.
(26)
(26) rear fender mounting bolt
(27) rear fender
14. Remove the flange nut (28) and release the
wire harness guide (29) from the subframe.
Release the canister air tube (30) from the air
cleaner housing boss (31).
(23)
(29)
(24)
(28)
(25)
(28) flange nut
(29) harness guide
15. Remove the air cleaner housing mounting bolts
(27)
(32) air cleaner housing mounting bolts A
(33) air cleaner housing mounting bolts B
(34) collars
16. Remove the subframe upper mounting bolts
(30)
(13)
(35)
(36)
(31)
(30) canister air tube
(31) boss (13) sub frame
(35) upper mounting bolts
(36) lower mounting bolts
A (32), air cleaner housing mounting bolts B
(33) and collars (34).
(33)
(32)
(34)
(35) and lower mounting bolts (36).
Remove the subframe (13) to the rearward
being careful not to damage the wire harness.
(35)
(36)