YB9-B, YB9B, YB9A-A, CB9-B, RCB9-B, UB9-B, CB9A-A, RCB9A-A, IB9-B, BB9-B, IB9A-A, XT9-B, UB9A-A, 9A-BS, UTX9A-BS, YT9A, PT9A-BS 12N9-4B-1, YUAM229BY, YB9-BS Replacement Battery 150cca YT9A-BS Maintenance-Free Dry AGM with acid pack requires initial charge for Honda, Vespa, Kawasaki, Piaggio Maintenance-Free AGM with included acid pack requires initial charge Never needs re-filling High Performance Starting Power OEM compatible replacement battery Polarity | + ||||| - |