Replacement 2005 Yamaha TTR250 250CC Factory Activated, Maintenance Free, Motorcycle Battery - 12V, 6Ah, UB-YT7B-BS Replacement Battery for 2005 Yamaha TTR250 250CC Factory Activated, Maintenance Free, Sealed Lead Acid Battery Ready to install. No need to add acid. Leak free, sealed design prevents corrosion. One Year Warranty, Voltage: 12V, Capacity: 6Ah UpStart Battery Brand. On Sale for a Limited Time!