Power up your classic motorcycle, mid-size scooter, or vintage street machine with the dependable cranking muscle of the Yuasa YB9A-A Yumicron 12-Volt Battery. Specially engineered to meet the demanding starting requirements of small-to-mid displacement engines, the Yumicron design features extra lead plates packed into each cell to deliver up to 30 percent more cranking power than standard conventional batteries. Whether you are firing up your bike for an early morning highway commute or taking a weekend cruise, Yuasa’s high-output grid design supplies the immediate, punchy ignition needed to get your engine turning over fast and clean.Built to withstand the physical demands of powersports applications, the YB9A-A features a high-impact polypropylene case that shields delicate internal lead plates from severe engine vibration and harsh road shock. Its specialized radial grid construction maximizes electrical conductivity while minimizing internal resistance for swift energy transfer. Featuring translucent case walls that make routine visual fluid level checks fast and effortless, this heavy-duty 12V battery brings the perfect balance of classic machine compatibility, rugged casing durability, and proven Yuasa reliability to your ride.

This Part Fits: