Subframe - Honda CRF450X 2020 Owner's Manual & Competition Handbook

Subframe

Refer to Important Safety Precautions on page 31.
Removal
1. Remove the battery (page 133).
2. Remove the fuel tank (page 45).
3. Remove the muffler (page 127).
4. Remove the left side cover (page 44).
5. Remove the ECM (1) from the ECM stay (2).
6. Remove the starter relay (3) from the seat
support base (4).
(3)
(1)
(1) ECM (3) starter relay
(2) ECM stay (4) seat support base
7. Remove the stay mounting bolts (5), ECM stay
(2), collars A (6), collars B (7), bank angle
sensor assembly (8) and washers (9).
(5)
(4)
(2)
(2) ECM stay
(5) stay mounting bolts (8) bank angle sensor assembly
(6) collars A
8. Remove the seat support base mounting bolts
(2)
(10) and collars (11). Release the hooks (12)
from the seat rail, then remove the seat support
base (4) from the subframe (13).
(10)
(11)
(4) seat support base
(10) bolts
(11) collars
(7) (8) (9)
(6)
(7) collars B
(9) washers
(12)
(4) (13)
(12) hooks

(13) subframe

9. Disconnect the IAT sensor connector (14).
Disconnect the crankcase breather tube (15)
and air injection air tube (16) from the air
cleaner housing (17).
Loosen the connecting tube band screws (18).
(17)
(15)
(16)
(14) IAT sensor connector
(15) crankcase breather tube
(16) air injection air tube
(17) air cleaner housing
(18) connecting tube band screw
10. Remove the negative (-) battery cable bands
(19), then remove the negative (-) battery cable
(20) from the subframe (13).
(13)
(19)
(19) (20)
(13) subframe
(19) cable bands
(20) negative (-) battery cable
Servicing Your Honda
Subframe
(14)
(18)
(20)
(cont'd)
49