User Manual - Page 92

For 2017 CRF450X.

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88 Servicing Your Honda
Brakes
Refer to Safety Precautions on page 25.
Both the front and rear brakes are the hydraulic
disc type. As the brake pads wear, the brake fluid
level will drop. A leak in the system will also
cause the level to drop.
Frequently inspect the system to ensure there are
no fluid leaks. Periodically inspect the brake fluid
level and brake pads for wear.
If the front brake lever or rear brake pedal freeplay
does not feel within the normal range while
riding, check the brake pads. If they are not worn
beyond the recommended limit (page 91), there
is probably air in the brake system. Refer to the
Honda Service Manual or see your dealer to have
the air bled from the system.
Rear Brake Pedal Height
The brake pedal height should be approximately
level with the right footpeg.
1. Loosen the lock nut (1) and turn the adjusting
bolt (2) in direction (+) to raise the brake
pedal (3) or in direction (–) to lower it.
2. Tighten the lock nut to the specified torque at
the desired pedal height.
4.4 lbf·ft (5.9 N·m, 0.6 kgf·m)
(2)
(1)
(3)
(+)
(–)
(1) lock nut (+) raise the pedal height
(2) adjusting bolt (–) low
er the pedal height
(3) brake pedal
Front Brake Lever Adjustment
3/8–13/16 in
(10 – 20 mm)
(1)
(2)
(3)
(1) lock nut
(2) adjuster
(3) piston
1. Loosen the lock nut (1).
2. To position the brake lever farther away from
the handgrip, turn the adjuster (2) clockwise.
To position the brake lever closer to the
handgrip, turn the adjuster counterclockwise.
3. While holding the adjuster, tighten the lock
nut to the specified torque:
4.4 lbf·ft (5.9 N·m, 0.6 kgf·m)
4. Apply the brake, release it, then spin the
wheel and check that it rotates freely. Repeat
this procedure several times.
5. Check freeplay by pulling in slowly on the
brake lever until the brake starts to engage.
Freeplay: 3/8 – 13/16 in (10 – 20 mm)
6. Apply silicone grease to the contacting faces
of the adjuster and piston (3).
17CRF450X31MEY710.indb88 2016/06/0811:46:04
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