Parts Unlimited 12N5.5A-3B Conventional Battery Yamaha Replace your OEM battery with a quality Parts Unlimited battery. This battery features an impact and vibration resistant polypropylene case and cover along with fiberglass separators to improve acid flow. Features High-quality, low-cost alternative to an OEM battery replacement Impact and Vibration resistant polypropylene case and cover Fiberglass separators that improve acid flow Kit includes: battery, pre-measured acid pack, red filler tube, hardware kit and clear vent tube Dimensions: 4-1/8 L x 3-5/8 W x 4-1/2 H Amp hours: 5.5