clock YAMAHA TTR125 2002 User Guide

5 - 14
CHASFRONT BRAKE (TT-R125LW)
REMOVAL POINTS
Brake fluid
1. Remove:
lBrake master cylinder cap 1
NOTE:
Do not remove the diaphragm.
2. Connect the transparent hose 2 to the
bleed screw 1 and place a suitable con-
tainer under its end.
3. Loosen the bleed screw and drain the
brake fluid while pulling in the lever.
CAUTION:
lDo not reuse the drained brake fluid.
lBrake fluid may erode painted surfaces or
plastic parts. Always clean up spilled
fluid immediately.
Brake caliper
1. Remove:
lBrake caliper 1
NOTE:
Turn the brake caliper counterclockwise and
pull out it from the guide pin 2 on the brake
caliper bracket.
Brake caliper piston
1. Remove:
lBrake caliper piston
Use compressed air and proceed care-
fully.
WARNING
lCover piston with rag and use extreme
caution when expelling piston from cylin-
der.
lNever attempt to pry out piston.
Brake caliper piston removal steps:
lInsert a piece of rag into the brake caliper
to lock one brake caliper.
lCarefully force the piston out of the brake
caliper cylinder with compressed air.

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CHASFRONT BRAKE (TT-R125LW)
2. Install:
lPin boot 1
On brake caliper 2.
NOTE:
Apply the lithium soap base grease on the pin
boot inner surface.
3. Install:
lBrake caliper bracket 1
lBolt (brake caliper bracket) 2
lBrake pad 3
T R..30 Nm (3.0 m · kg, 22 ft · lb)
4. Install:
lBrake caliper 1
NOTE:
lApply the lithium soap base grease on the
guide pin 2.
lInstall the brake caliper into the guide pin
and turn it clockwise.
5. Install:
lBrake caliper support bolt 1
NOTE:
Apply the lithium soap base grease on the
brake caliper support bolt.
T R..22 Nm (2.2 m · kg, 16 ft · lb)
Brake master cylinder kit
1. Clean:
lBrake master cylinder
lBrake master cylinder kit
Clean them with brake fluid.