Honda CRF50F 2017 Owner's Manual page 33

2. Apply the brake several times and check
for free wheel rotation after the brake
lever is released.
If proper adjustment cannot be obtained by
this method, see your dealer.
After adjustment, push the brake arm (4) to
confirm that there is a gap between the
adjusting nut (2) and the brake arm pin (3).
(3)
(2)
(2) Adjusting nut
(3) Brake arm pin
After adjustment, confirm the freeplay of
the brake lever.
22
(4)
(4) Brake arm
Other Checks:
Check the brake cable for kinks or signs of
wear that could cause sticking or failure.
Lubricate the brake cable with a
commercially available cable lubricant to
prevent premature wear and corrosion.
Make sure the brake arm, spring and
fasteners are in good condition.