Reported risk: On certain motorcycles, the rear master cylinder piston retaining ring may not have been fully seated into the machined groove of the master cylinder bore at time of manufacture. If the ring was not fully secured in the machined groove, it could result in a lack of brake fluid pressure to the rear caliper. This would increase stopping distances and could affect braking control, which could increase the risk of a crash causing injury and/or damage to property. Correction: Dealers will inspect, and if necessary, replace the rear brake master cylinder.
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ProductGuru indexes recall and safety-alert records from ~30 public agency registries. We are not lawyers, regulators or product-safety consultants. This page restates what the named agency published; consult the primary source above (or qualified counsel in your jurisdiction) before any commercial, medical or safety decision.