Yamaha TT-R125(T) Owner's Service Manual page 470

FRONT BRAKE (TT-R125LW/TT-R125LWE)
4. Install:
Diaphragm
G
Brake master cylinder cap 1
G
Screw (brake master cylinder cap) 2
G
CAUTION:
After installation, while pulling in the lever,
check whether there is any brake fluid leak-
ing where the union bolts are installed
respectively at the brake master cylinder
and brake caliper.
5 - 23
CHAS
2 Nm (0.2 m · kg, 1.4 ft · lb)