Honda CRF450L 2019 Owner's Manual & Off-Road Handbook page 109

8. Install the left cylinder head hanger plate (13)
and right cylinder head hanger plate (14), then
loosely install the cylinder head hanger plate
bolts (15) and cylinder head hanger bolts (16).
Tighten the cylinder head hanger bolts and
cylinder head hanger plate bolts to the
specified torque.
cylinder head hanger bolts:
40 lbf·ft (54 N·m, 5.5 kgf·m)
cylinder head hanger plate bolts:
24 lbf·ft (32 N·m, 3.3 kgf·m)
Left side:
(15)
(13)
(16)
Right side:
(15)
(16)
(13) left cylinder head hanger plate
(14) right cylinder head hanger plate
(15) cylinder head hanger plate bolts
(16) cylinder head hanger bolts
9. Install the throttle body (17) to the insulator
(18) by aligning the tab of the throttle body
with the groove of the insulator and tighten the
insulator band screw (19) so the distance
between the band ends is 0.43 ± 0.04 in (11.0 ±
1.0 mm).
10. Connect the vacuum tube (20) to the insulator.
0.43 ± 0.04 in
(11.0 ± 1.0 mm)
(17) throttle body
(18) insulator
11. Install and tighten the right radiator lower
(14)
mounting bolt (21) and washer (22) securely.
(21) right radiator lower mounting bolt
(22) washer
(17)
(19)
Align
(19)
(18)
(20)
(19) insulator band screw
(20) vacuum tube
(22) (21)
Piston/Piston Rings/Piston Pin
12. Install the new O-rings (23) onto the
thermostat case dowel pin (24).
(23)
(24)
(23) O-rings (new)
(24) dowel pin
13. Install the thermostat case assembly (25) to the
cylinder head (26), then install and tighten the
mounting bolts (27) to the specified torque:
7 lbf·ft (10 N·m, 1.0 kgf·m)
(25)
(26)
(27)
(25) thermostat case assembly
(26) cylinder head
(27) bolts
Servicing Your Honda
(cont'd)
103