Aprilia issued two recalls today, one concerning 2014-2015 Aprilia Shiver 750 models, and the other concerning 2015 Aprilia Caponord 1200 models. In all, the recall affects 337 units, and involves the output gear shaft.

According to the report filed with the NHTSA, the the output gear shaft face may have been improperly machined, which can cause the fastening screw on the sprocket to loosen, and potentially lock-up the rear wheel.