UTX9A-BS replaces the Cagiva YB9-B battery.  There is no need to break the bank when replacing your OEM power sport battery. UPG and their Adventure Power line of batteries are made to meet or exceed the highest standards in the industry. These premium dry charge AGM batteries arrive with an acid pack and must be filled and properly charged prior to sealing and being connected to your machine. The advantage of this type of AGM is that you can plan ahead as the battery and acid pack have a long shelf life and you can activate the battery just a few hours prior to instalation. Enjoy the assurance of a one year hassle free replacement warranty as you ride!