Honda TRX250TE 2019 Owner's Manual page 155

Rear Brake Pedal Freeplay
RIGHT SIDE
(1) rear brake pedal
Inspection
Measure the distance the rear brake pedal (1) moves before the
brake starts to take hold. Freeplay, measurement at the tip of the
end of the pedal, should be:
15 – 20 mm (0.6 – 0.8 in)
If necessary, adjust to the specified range.
Brakes
15 – 20 mm
(0.6 – 0.8 in)
(1)
Servicing Your Honda 145