The Recall Desk
SevereNHTSA·18E018000·Announced 2018-04-05

Brembo Motorcycle Front Brake Master Cylinders Recalled for Piston Cracking

Brembo is recalling specific motorcycle front brake master cylinders because the internal piston may crack and fail, potentially causing a loss of front braking ability.

What this means for you

Illness, injury, or structural failure has been reported. Stop using the product immediately and contact the manufacturer for a refund or repair.

Our severity reasoning: The recall involves a structural vehicle defect in the braking system that can lead to a loss of braking ability and increased crash risk, meeting the criteria for a Severe rating.

Plain-English summary

Brembo S.p.A. is recalling certain motorcycle front brake master cylinders, specifically part numbers 10.4623.62 and 10.4623.63. The defect involves the piston within the front brake master cylinder, which may crack and fail.

If the piston fails, the vehicle may lose front braking ability, which can increase the risk of a crash. Brembo has notified the motorcycle manufacturers that built motorcycles with these affected master cylinders. These manufacturers are conducting recalls to have their dealers replace the pistons with aluminum ones, free of charge. The recall began on December 13, 2017.

Owners may contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or visit www.safercar.gov for more information.

The recalled product

Product
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER recall
Manufacturer
Brembo S.p.A.
Category
Vehicle — Motorcycle Brake Component
Hazard
Affected units
80,081

Distribution

Distributed nationwide across the United States.

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