If you are experiencing a sound or noise from the front brake of your new Yamaha FZS-FI while braking, it could be due to various reasons. Here are a few possible causes:
Brake Pad Material: Some brake pads, especially when new, can make a slight squealing or squeaking noise during braking. This is often caused by the interaction between the brake pad material and the brake rotor. As the brake pads wear in and form a proper contact surface, the noise may reduce or disappear over time.
Contaminated Brake Pads or Rotors: Brake pads or rotors contaminated with dirt, debris, or oil can create noise during braking. This can happen during the manufacturing process or due to external factors. Cleaning or replacing the affected components may resolve the issue.
Misalignment or Loose Parts: If the brake caliper or other brake components are misaligned or if any parts are loose, it can lead to abnormal noises. Ensuring proper alignment and tightening of all relevant parts can help eliminate these noises.
Wear Indicator: Some brake pads have wear indicators that produce a noise when the pads are worn down to a certain level. If this is the case, it indicates that the brake pads may need replacement.
Other Factors: Factors such as riding conditions, humidity, temperature, or specific riding techniques can also contribute to brake noise. Additionally, the specific brake system design and components used in the Yamaha FZS-FI may have their own characteristics.
If you are concerned about the noise from your front brake, it is recommended to have it inspected by a qualified technician at an authorized Yamaha service center. They can assess the condition of your brake system and determine if any adjustments, cleaning, or replacement parts are necessary to address the noise issue.