Yamaha YZF-R125 Owners Manual: Checking the front and rear brake pads

Yamaha YZF-R125 Owners Manual / Periodic maintenance and adjustment / Checking the front and rear brake pads

The front and rear brake pads must be checked for wear at the intervals specified in the periodic maintenance and lubrication chart.

Front brake pads

Remove the front brake caliper by removing the bolts.

Bolt
Brake caliper
Lining thickness

Check each front brake pad for damage and measure the lining thickness. If a brake pad is damaged or if the lining thickness is less than 0.8 mm (0.03 in), have a Yamaha dealer replace the brake pads as a set.
Install the front brake caliper by installing the bolts, then tightening them to the specified torque.

Tightening torque:

Brake caliper bolt:

30 Nm (3.0 m.kgf, 22 ft.lbf)

Rear brake pads

Lining thickness

Check each rear brake pad for damage and measure the lining thickness. If a brake pad is damaged or if the lining thickness is less than 1 mm (0.04 in), have a Yamaha dealer replace the brake pads as a set.

Adjusting the brake pedal free play

Adjusting the brake pedal free play Brake pedal free play The brake pedal free play should measure 3.5-4.5 mm (0.14-0.18 in) as shown. Periodically check the brake pedal free play and ...

Checking the brake fluid level

Front brake Front brake Minimum level mark Rear brake Rear brake Minimum level mark Insufficient brake fluid may allow air to enter the brake system, possibly causing it to ...

Other materials:

Checking the speed sensor
1. Check: Speed sensor output voltage Out of specification → Replace. a. Connect the pocket tester (DC 20 V) to the speed sensor coupler (wire harness end) as shown. Positive tester probe gray "1" Negative tester probe gray/black "2" b. Set the main switch to "ON". c. ...

Front wheel
To remove the front wheel WARNING To avoid injury, securely support the vehicle so there is no danger of it falling over. Loosen the front wheel axle pinch bolt, then the wheel axle and the brake caliper bolts. Front wheel axle pinch bolt Lift the front wheel of ...

Checking the switches
1. Clutch switch 2. Main switch 3. Front brake light switch 4. Sidestand switch 5. Rear brake light switch 6. Neutral switch 7. Turn signal switch 8. Horn switch 9. Dimmer switch 10.Pass switch 11.Engine stop switch 12.Start switch Check each switch for continuity with the pocket tes ...