Yuasa YB4L-B Yumicron 12-Volt Battery

Bring reliable starting muscle and consistent electrical power to your lightweight street bike, vintage moped, dual-sport, or small quad with the Yuasa YB4L-B Yumicron 12-Volt Battery. Specially engineered to meet the demanding ignition requirements of compact powersports engines, the Yumicron series features extra lead plates packed into each cell to deliver up to 30 percent more cranking power than standard conventional batteries. Whether you are kicking over a restored classic or prepping your daily urban commuter, Yuasa’s high-output grid design supplies the instant starting punch needed to get your motor running fast and clean.Built to handle the constant vibration and shock of powersports riding, the YB4L-B features a high-impact polypropylene container that shields delicate internal components from damage. Its specialized radial grid architecture optimizes 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 compact 12V battery brings the perfect balance of small-frame machine compatibility, rugged durability, and proven Yuasa reliability to your ride.

This Part Fits:

Year	Make	Model	Submodel
2004-2005	Aprilia	Mojito Custom 50	Base
1995-2004	Aprilia	Rally 50 (Air Cooled)	Base
2000-2002	Aprilia	RS 250	Base
2002-2005	Aprilia	RS 50	Base
2001-2003	Aprilia	Scarabeo 50 Ditech	Base
1984-1985	Honda	NQ50 Spree	Base
1986-1988	Suzuki	SP200	Base
1989-1990	Yamaha	CW50 Zuma	Base
1997-2001	Yamaha	CW50 Zuma II	Base