User Manual - Page 59

For 2019 CRF450X.

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Servicing Your Honda 53
Subframe
10. Connect the crankcase breather tube (24) and
air injection air tube (25) to the air cleaner
housing (1). Connect the IAT sensor connector
(26).
Tighten the air cleaner connecting tube clamp
screw (27) so the clamp ends is 0.30 ±0.06
in(7.5 ± 1.5 mm).
11. Install the seat support base (28) to the
subframe. Install the collars (29) and mounting
bolts (30), then tighten the mounting bolts to
the specified torque:
7 lbf·ft (10 N·m, 1.0 kgf·m)
12. Install the bank angle sensor assembly (31) to
the seat support base (28) using the washers
(32), collars B (33), collars A (34), ECM stay
(35) and stay mounting bolts (36), then tighten
the bolts securely.
13. Install the starter relay (37) to the seat support
base. Install the ECM (38) to the ECM stay
(35).
14. Install the left side cover (page 44).
15. Install the muffler (page 127).
16. Install the fuel tank (page 45).
17. Install the battery (page 133).
(1) air cleaner housing
(24) crankcase breather tube
(25) air injection air tube
(26) IAT sensor connector
(27) connecting tube band screw
(24)
(26)
0.30 ± 0.06 in
(7.5 ± 1.5 mm)
(25)
(1)
(27)
(28) seat support base
(29) collars
(30) bolts
(28) seat support base (34) collars A
(31) bank angle sensor assembly (35) ECM stay
(32) washers (36) bolts
(33) collars B
(30)
(29)
(30)
(28)
(36)
(35) (34)
(33) (31) (32)
(28)
(28) seat support base (37) starter relay
(35) ECM stay (38) ECM
(37)
(28)
(38)
(35)
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