According to the defect notice submitted to the NHTSA on January 9, 2015, “the output gear shaft face may not be machined to proper specifications. The screw fastening the sprocket may come loose, causing the rear wheel to lock momentarily or completely.” To-date, there have been no reported cases of accidents, injuries or fatalities related to the issue.
Owners of affected models will be contacted by mail and asked to take the motorcycles to an authorized Aprilia dealer. There, the component will be checked and, if necessary, replaced free of charge.
For more information, owners may contact Piaggio customer service at 1-212-380-4433. Owners may also go to www.safercar.gov or call the NHTSA vehicle safety hotline at 1-888-327-4236. The NHTSA campaign ID number is 15V007000.