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:

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 ...

Measuring the compression pressure
NOTE: Insufficient compression pressure will result in a loss of performance. 1. Measure: Valve clearance Out of specification →Adjust. Refer to "ADJUSTING THE VALVE CLEARANCE" on page 3-3. 2. Start the engine, warm it up for several minutes, and then turn it off. 3. Remove: ...

Intake air temperature sensor
1. Check: Intake air temperature sensor resistance Out of specification Replace the throttle body. a. Connect the pocket tester ( × 1k) to the throttle body sensor assembly coupler as shown. Positive tester probe brown/white "1" Negative tester probe gray/black ...