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Honda CRF450RL 2021 Owner's Manual & Off-Road Handbook page 108

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Maintenance
NUTS, BOLTS, FASTENERS
Check that all chassis nuts and bolts are tightened to
their correct torque values 2-3.
Refer to an official Honda Service Manual or see your
dealer to torque values.
Check that all safety clips, hose clamps and cable stays
are in place and properly secured.
WHEELS/TIRES
INSPECTION
Check the tires for cuts, embedded nails, or other
damage.
Check the tire pressure with a tire pressure gauge when
the tires are cold.
COLD TIRE PRESSURE:
FRONT: 150 kPa (1.50 kgf/cm
REAR:
150 kPa (1.50 kgf/cm
Raise the front wheel off the ground by placing a
workstand or equivalent under the engine.
Check for worn front wheel bearings by grabbing the front
fork and attempting to move the front wheel side-to-side.
Replace the front wheel bearings if excessively worn.
Refer to an official Honda Service Manual or see your
dealer to replace the bearings.
Raise the rear wheel off the ground by placing a
workstand or equivalent under the engine.
Check for worn rear wheel bearings by grabbing the
swingarm and attempting to move the rear wheel side-to-
side.
Replace the rear wheel bearings if excessively worn.
Refer to an official Honda Service Manual or see your
dealer to replace the bearings.
Check the wheel rim damage and runout.
WHEEL RIM RUNOUT
SERVICE LIMIT:
FRONT: Radial: 1.0 mm (0.04 in)
Axial:
1.0 mm (0.04 in)
REAR: Radial: 1.0 mm (0.04 in)
Axial:
1.0 mm (0.04 in)
2-82
2
, 22 psi)
2
, 22 psi)
Inspect the wheel rims and spokes for damage.
Tighten any loose spokes to the specified torque using
the spoke wrench [1].
TOOLS:
FRONT:
Spoke wrench, 6.1 mm
REAR:
Spoke wrench, 6.6 mm
TORQUE:
Front/rear spoke:
3.7 N·m (0.4 kgf·m, 2.7 lbf·ft)
Front side shown:
STEERING HEAD BEARINGS
INSPECTION
Raise the front wheel off the ground by placing a
workstand or equivalent under the engine.
Check that the handlebar moves freely from side-to-side.
Be sure the control cables do not interfere with handlebar
rotation.
Move the front fork back and forth to check the worn of
the steering head bearing.
If there is an abnormally, check the steering top thread
tightening and the steering head bearing, adjust or
replace if necessary.
Refer to an official Honda Service Manual or see your
dealer, to adjustment of steering top thread tightening
and replace the steering head bearing.
07JMA-MR60100
070MA-KZ30100
[1]

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Crf450l