Brakes troubleshooting information (Aprilia RS125/3)

Trouble	Symptom and possible causes	Remedy
Loss of braking	Brake hydraulic system leaking.	Repair or replace.
	Brake pads worn.	Replace.
	Contact surfaces of brake pads contaminated with oil.	Replace.
	Brake discs worn.	Replace.
	Air in the hydraulic circuit.	Bleed the circuit.
Brakes squeal	Contact surfaces of brake pads vitrified.	Sand brake pad surfaces.
	Brake pads inverted.	Install brake pads correctly.
	Wheel hub bearing damaged.	Replace.
	Front or rear wheel spindle loose.	Tighten to the specified torque.
	Brake pads worn.	Replace.
	Foreign matter suspended in brake fluid.	Change brake fluid.
	Return hole of master cylinder obstructed.	Dismantle and clean brake master cylinder.
Brake lever has exceeding travel	Air in the hydraulic circuit.	Bleed the circuit.
	Brake fluid level low.	Top up to specified level. Bleed the circuit.
	Brake fluid does not meet specification.	Change using specified brake fluid.
Brake fluid leakage	Fittings loose.	Tighten to the specified torque.
	Hoses cracked.	Replace.
	Piston and/or body damaged.	Replace piston and/or body.

The original text is available on an online resource: Motoinstruction.ru

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This article has been reviewed: Artemy Kuzmin

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