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Honda CRF450RL 2021 Owner's Manual & Off-Road Handbook page 69

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Install the throttle body by aligning its tab with the
insulator groove.
Align the insulator band hole with the insulator tab.
Tighten the insulator band screw [1] to the specified
range as shown.
[1]
Align
Install the right cylinder head hanger plate [1], hanger
bolt [2] and hanger plate bolts [3].
Tighten the right cylinder head hanger bolts to the
specified torque.
TORQUE: 54 N·m (5.5 kgf·m, 40 lbf·ft)
Tighten the right cylinder head hanger plate bolts to the
specified torque.
TORQUE: 32 N·m (3.3 kgf·m, 24 lbf·ft)
[3]
[1]
Install a new O-ring (large) [1] and O-ring (small) [2] to
the thermostat housing [3].
Install the thermostat housing to the cylinder head.
11 ± 1 mm
(0.43 ± 0.04 in)
[1]
Align
Install the bolt (long) [1] and bolt (short) [2].
Tighten the bolts securely.
Install the right radiator mounting bolts [1] and washers
[2].
[2]
Tighten the bolts securely.
[2]
[2]
[1]/[2]
Maintenance
[1]
[3]
[1]
[1]/[2]
2-43

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Crf450l