Yamaha YZF-R125 Service Manual: 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 set.Refer to "FRONT BRAKE" on page 4-17.
Checking the brake fluid level
1. Stand the vehicle on a level surface.
NOTE:
Place the vehicle on a suitable stand.
Make sure the vehicle is upright.
2. Check:
Brake fluid level
Below the minimum level mark "a" → ...
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. ...
Other materials:
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 ...
Checking the fuel sender
1. Drain the fuel from the fuel tank.
2. Check:
Fuel sender resistance
Out of specification → Replace the fuel
sender.
a. Connect the pocket tester ( ×
10) to the fuel
sender coupler as shown.
Positive tester probe
sky blue "1"
Negative tester probe
orange/white " ...
Checking the front brake lever free play
Checking the front brake lever free play
Brake lever free play
The brake lever free play should measure
2.0-5.0 mm (0.08-0.20 in) as
shown. Periodically check the brake lever
free play and, if necessary, have a
Yamaha dealer check the brake system.
WARNING
An incorrect brake le ...