Motorbike or scooter · Problems
Spongy motorbike brakes
A lever that comes back to the grip or a soft pedal means air or water in the brake fluid. On a bike this is an immediate safety fault.
UrgencyHigh
Can I drive?No, stop
Likely causesLow or old brake fluid
Likely causes
- Low or old brake fluid60%
- Worn brake pads25%
The metal wear indicator rubs the disc and makes a high-pitched squeal when braking.
- Sticking brake caliper15%
One wheel gets unusually hot, the car pulls to one side and there is a burning smell after a drive.
What you can check yourself
- Fluid the colour of tea or coffee in the reservoir is too old: bleed it.
Frequently asked questions
Spongy motorbike brakes: what causes it?
Likely causes: low or old brake fluid (60%), worn brake pads (25%), sticking brake caliper (15%).
Can I drive?
No, stop. Urgency: high.
Indicative estimate. MecaScan cannot see your vehicle: always have a diagnosis confirmed by a professional, and never work on brakes, steering or airbags without the skills.