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What Causes Motorcycle Brake Noise?

2 Answers

StLaura

07/25/25 3:33pm

Motorcycle brake noise can be caused by the brake pads being in the break-in period, debris getting into the brake pads, or brake system malfunctions. Below are the reasons for brake noise: Brake pads in the break-in period: New vehicles require a break-in period, and the break-in of brake pads is a crucial part of this process. Newly replaced brake pads also need a break-in period to better integrate with the old rotor. Initially, the brakes may feel very stiff, and it usually takes a few hundred kilometers of driving before they feel better. Slamming on the brakes reduces the lifespan of the brake pads, so it is advised not to force unnecessary wear on them. Debris in the brake pads: While driving, very fine sand particles can get between the brake pads and the rotor, causing friction and noise. This usually does not require repair, as the small sand particles will eventually fall out after some driving. Brake system malfunction: Missing or damaged screws on the brake rotor can also cause brake noise. If the brake system malfunctions, it needs to be inspected and repaired.

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EdenAnn

08/11/25 9:29pm

I've been riding motorcycles for over a decade, and the most common cause of brake squealing is severely worn brake pads that need replacing. It could also be due to sand, dust, or metal shavings stuck on the brake disc, causing friction and squeaking. Another possibility is insufficient lubrication in the brake system or rusted and loose bearings. Ignoring these issues can accelerate component wear and increase the risk of brake failure. Once, after riding in the rain, the squealing got worse, and I found mud clogging the brakes—cleaning them immediately fixed the noise. My advice is to do a quick check of the brake pad thickness if you hear noises; if they're too thin, get them replaced at a shop. Regular maintenance costs little but prevents big hazards. After riding, wipe the brake discs with a damp cloth to reduce debris buildup. In short, don’t overlook these small things—safety comes first.

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