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:
Care
While the open design of a motorcycle
reveals the attractiveness of the technology,
it also makes it more vulnerable.
Rust and corrosion can develop
even if high-quality components are
used. A rusty exhaust pipe may go unnoticed
on a car, however, it detracts
from the overall appearanc ...
Cleaning and lubricating the drive chain
The drive chain must be cleaned and
lubricated at the intervals specified in
the periodic maintenance and lubrication
chart, otherwise it will quickly wear
out, especially when riding in dusty or
wet areas. Service the drive chain as
follows.
NOTICE
The drive chain must be lubricated
...
Preparation for removal and disassembly
1. Before removal and disassembly, remove all
dirt, mud, dust and foreign material.
2. Use only the proper tools and cleaning equipment.
Refer to "SPECIAL TOOLS" on page 1-8.
3. When disassembling, always keep mated
parts together. This includes gears, cylinders,
pistons and other part ...