The cause of the recall, which affects 4,900 units, is an incorrectly manufactured shift cam segment stopper, which has a sharp edge instead on the inside of the bend, instead of a smooth radius.
Because of this, the stopper can crack and possibly fracture where the edge is sharp, which in turn would cause the transmission not to shift properly.
Yamaha will notify affected owners of these motorcycles, and Yamaha dealers will replace the shift assembly with a new one, free of charge.
The recall is expected to start this month. Concerned owners may contact Yamaha customer service at 1-800-962-7926. As always, the NHTSA is also available at 1-888-327-4236 and safercar.gov.