Yamaha YZF-R125 Service Manual: Checking the front brake master cylinder
1. Check:
- Brake master cylinder
Damage/scratches/wear
Replace. - Brake fluid delivery passages
(brake master cylinder body)
Obstruction
Blow out with
compressed air.
2. Check:
- Brake master cylinder reservoir
Cracks/damage
Replace the brake
master cylinder. - Brake master cylinder reservoir diaphragm
Damage/wear
Replace.
3. Check:
- Brake hose
Cracks/damage/wear Replace.
Assembling the front brake master cylinder
WARNING
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Removing the front brake master cylinder
NOTE:
Before removing the front brake master cylinder,
drain the brake fluid from the entire brake system.
1. Disconnect:
Front brake light switch
2. Remove:
Brake hose union bolt
Copp ...
Installing the front brake master cylinder
1. Install:
Brake master cylinder "1"
Brake master cylinder holder "2"
NOTE:
Install the brake master cylinder holder with the
arrow mark "a" pointing forward.
Align the end of the br ...
Other materials:
Installing the shift shaft
1. Install:
Stopper lever "1"
Stopper lever spring "2"
NOTE:
Install the stopper lever spring as shown in the
illustration.
Hook the ends of the stopper lever spring onto
the stopper lever and the crankcase boss "3".
Mesh the stopper lever with the shift drum segment
assembly. ...
Ignition circuit cut-off system
The ignition circuit cut-off system (comprising
the sidestand switch, clutch
switch and neutral switch) has the following
functions.
It prevents starting when the transmission
is in gear and the sidestand
is up, but the clutch lever is
not pulled.
It prevents starting when the t ...
Loading
Adding accessories or cargo to your
motorcycle can adversely affect stability
and handling if the weight distribution
of the motorcycle is changed. To avoid
the possibility of an accident, use extreme
caution when adding cargo or
accessories to your motorcycle. Use
extra care when ridi ...