Yamaha TT-R125LW Owner's Service Manual page 370

FRONT BRAKE
Brake fluid
1. Fill:
Brake fluid
Until the fluid level reaches "LOWER"
level line a.
Recommended brake fluid:
DOT #4
WARNING
Use only the designated quality brake
fluid:
otherwise, the rubber seals may deterio-
rate, causing leakage and poor brake per-
formance.
Refill with the same type of brake fluid;
mixing fluids may result in a harmful chem-
ical reaction and lead to poor performance.
Be careful that water does not enter the
brake master cylinder when refilling.
Water will significantly lower the boiling
point of the fluid and may result in vapor
lock.
CAUTION:
Brake fluid may erode painted surfaces or
plastic parts. Always clean up spilled fluid
immediately.
2. Air bleed:
Brake system
Refer
BLEEDING" section in the CHAPTER
3.
3. Inspect:
Brake fluid level
Fluid at lower level → Fill up.
Refer
INSPECTION" section in the CHAP-
TER 3.
5 - 15
CHAS
to "BRAKE SYSTEM
to "BRAKE FLUID
AIR
LEVEL