Honda FourTrax Recon TRX250TM 2019 Owner's Manual page 140

Brakes
Brake Shoe Wear
Refer to Safety Precautions on page 79.
The rear brake is equipped with an external brake wear indicator
that lets you check brake wear without disassembly. Application of
the brake control causes the arrow on the brake arm to move
toward a reference mark on the brake panel.
RIGHT REAR
(1) arrow
(2) brake arm
1. Apply the brake control and check the movement of the arrow
(1) on the brake arm (2).
2. Replace the brake shoe if the arrow aligns with the reference
mark (3) on the brake panel upon full application of the brake. If
replacement is necessary, see your dealer.
130 Servicing Your Honda
(3)
(3) reference mark
(2)
(1)