Yamaha YZF-R125 Service Manual: Checking the rear brake pads
The following procedure applies to all of the brake pads.
1. Operate the brake.
2. Check:
- Rear brake pad
Wear indicator groove "a" has almost disappeared
Replace the brake pads as a set.Refer to "REAR BRAKE" on page 4-28.
Checking the front brake pads
The following procedure applies to all of the
brake pads.
1. Operate the brake.
2. Check:
Front brake pad
Wear indicator grooves "a" have almost disappeared
Replace the brake pads as a ...
Checking the front brake hose
1. Check:
Brake hose "1"
Cracks/damage/wear
Replace.
2. Check:
Brake hose holder "2"
Loose connection Tighten the
holder bolt.
3. Hold the vehicle upright and apply ...
Other materials:
Checking the radiator fan motor
1. Check:
Radiator fan motor
Faulty/rough movement → Replace.
a. Disconnect the radiator fan motor coupler
from the wire harness.
b. Connect the battery (DC 12 V) as shown.
Positive tester probe →
blue "1"
Negative tester probe →
black "2"
c. Measure ...
Checking the clutch springs
The following procedure applies to all of the
clutch springs.
1. Check:
Clutch spring
Damage Replace the clutch
springs as a
set.
2. Measure:
Clutch spring free length "a"
Out of specification Replace
the clutch
springs as a set.
...
Ecu self-diagnostic function
The ECU is equipped with a self-diagnostic function in order to ensure that
the fuel injection system is
operating normally. If this function detects a malfunction in the system, it
immediately operates the engine
under substitute characteristics and illuminates the engine trouble warning
li ...