GT9B-4, YT9B-BS, YT9B-4, PT9B-4, UT9B-4, GT9B4 Replacement Battery 180cca High Performance WP9B-4 Sealed AGM for Yamaha Motorcycle, Scooter, ATV, Quad Sealed AGM Maintenance-Free, no acid water needed, never needs re-filling Factory Activated High Performance Starting Power OEM compatible replacement battery Polarity | + ||||| - |