Yamaha YZF-R125 Service Manual: Checking and lubricating the cables
The following procedure applies to all of the inner and outer cables.
| WARNING Damaged outer cable may cause the cable to corrode and interfere with its movement. Replace damaged outer cable and inner cables as soon as possible. |
1. Check:
- Outer cable
Damage
Replace.
2. Check:
- Cable operation
Rough movement
Lubricate.
NOTE:
Hold the cable end upright and pour a few drops of lubricant into the cable sheath or use a suitable lubricating device.
Lubricating the clutch lever
Lubricate the pivoting point and metal-to-metal
moving parts of the lever.
Lubricating the brake lever
Lubricate the pivoting point and metal-to-metal
moving parts of the lever. 
Lubricating the pedals
Lubricate the pivoting point and metal-to-metal
moving parts of the pedals. 
Lubricating the sidestand
Lubricate the pivoting point and metal-to-metal
moving parts of the sidestand.
Lubricating the rear suspension
Lubricate the pivoting point and metal-to-metal
moving parts of the rear suspension.
Checking the wheels
The following procedure applies to both of the
wheels.
1. Check:
Wheel
Damage/out-of-round → Replace.
WARNINGNever attempt to make any repairs to the
wheel.
NOTE:
After a t ...
Electrical system
Checking and charging the battery
Refer to "ELECTRICAL COMPONENTS" on
page 8-57.
Checking the fuses
Refer to "ELECTRICAL COMPONENTS" on
page 8-57. ...
Other materials:
Checking the primary drive gear
1. Remove:
Primary drive gear
Refer to "BALANCER GEAR" on page 5-53.
2. Check:
Primary drive gear
Damage/wear Replace the
primary drive
gear and clutch housing as a set.
Excessive noise during operation
Replace
the primary drive gear and clutch housing as
a set
...
Removing the valves
The following procedure applies to all of the
valves and related components.
NOTE:
Before removing the internal parts of the cylinder
head (e.g., valves, valve springs, valve seats),
make sure the valves properly seal.
1. Check:
Valve sealing
Leakage at the valve seat Check
the valve
...
Introduction
WARNINGDisc brake components rarely require
disassembly.
Therefore, always follow these preventive
measures:
Never disassemble brake components unless
absolutely necessary.
If any connection on the hydraulic brake
system is disconnected, the entire brake
sy ...