Yuasa YB9L-A2 Yumicron 12-Volt Battery

Power up your classic motorcycle, mid-size scooter, or vintage street machine with the dependable cranking muscle of the Yuasa YB9L-A2 Yumicron 12-Volt Battery. Specially engineered to meet the demanding starting requirements of 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 YB9L-A2 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.

• Special thin separators allow two extra plates per cell to be installed, for a 30 percent improvement in cranking performance
• Engineered to protect against corrosion, withstand vibration, and deliver high cranking power

Power up classic motorcycles, mid-size scooters, and vintage street machines with the dependable starting performance of the Yuasa Battery YB9L-A2 Yumicron 12-Volt Battery. Designed for the demanding needs of mid-displacement engines, this conventional powersports battery uses extra lead plates in each cell to provide up to 30 percent more cranking power than standard designs. Its high-output grid helps deliver fast, consistent energy transfer for reliable ignition during daily commutes, weekend rides, and seasonal starts.
Built for the vibration and shock common to powersports applications, the Yuasa YB9L-A2 features a durable high-impact polypropylene case that helps protect internal components from road impact and engine movement. The radial grid construction supports strong electrical conductivity while reducing internal resistance, helping the battery provide responsive starting power when your motorcycle or scooter needs it. Yuasa’s proven construction makes this battery a dependable replacement for compatible vintage and classic applications.
Translucent case walls simplify routine electrolyte-level inspections, allowing riders to check fluid levels quickly as part of regular battery maintenance. Special thin separators allow two additional plates per cell, contributing to the Yumicron battery’s increased cranking performance while maintaining compatibility with select powersports charging systems. The Yuasa Battery YB9L-A2 fits applications including the 1988 and 1989 Kawasaki EL250 Eliminator, select Kawasaki KLF110 Mojave models, and Yamaha CS5 and RD200 motorcycles. Always verify fitment and charging-system compatibility before installation.

Features:

• Up to 30 percent more cranking power than standard conventional battery designs

• Special thin separators allow two additional lead plates per cell

• High-impact polypropylene case helps protect against vibration and road shock

• Radial grid construction supports conductivity and efficient energy transfer

• Translucent case walls simplify electrolyte-level inspections

• Designed for compatible motorcycles, scooters, and other powersports applications

Fitment:
Kawasaki EL250 Eliminator Base 1988
Kawasaki EL250 Eliminator Base 1989
Kawasaki EL250 Eliminator Base 1991
Kawasaki EL250 Eliminator Base 1992
Kawasaki EX250F Ninja 250R Base 1986
Kawasaki EX250F Ninja 250R Base 1987
Kawasaki EX250F Ninja 250R Base 1988
Kawasaki EX250F Ninja 250R Base 1989
Kawasaki EX250F Ninja 250R Base 1990
Kawasaki EX250F Ninja 250R Base 1991
Kawasaki EX250F Ninja 250R Base 1992
Kawasaki EX250F Ninja 250R Base 1993
Kawasaki EX250F Ninja 250R Base 1994
Kawasaki KLF110 Mojave Base 1987
Kawasaki KLF110 Mojave Base 1988
Yamaha CS5 Base 1972
Yamaha RD200 Base 1974
Yamaha RD200 Base 1975
Yamaha RD200 Base 1976