WP7L-BS Motorcycle Battery (Replacement) Replacement Battery for YTX7L-BS, GTX7L-BS, UTX7L, PTX7L-BS, PTX7LBS-FS, CYTX7L-BS, MBTX7U and WP7L-BS. Mfr Part Number: STX7L-BS (100 CCA) AGM Maintenance Free Item Package Quantity: 1 Guaranteed compatibility with OEM battery