Yuasa YB9-B Yumicron 12-Volt Battery

Power up your classic motorcycle, mid-size scooter, or vintage street machine with the dependable cranking muscle of the Yuasa YB9-B 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 everyday powersports riding, the YB9-B 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 a classic motorcycle, mid-size scooter, or vintage street machine with the dependable starting performance of the Yuasa Battery YB9-B Yumicron 12-Volt Battery. Designed for demanding mid-displacement engine applications, its Yumicron construction uses specialized thin separators to accommodate additional lead plates in each cell, providing up to 30 percent more cranking power than standard conventional batteries. The result is fast, confident engine starts for daily commuting, weekend rides, and seasonal powersports use.
Built for the physical demands of motorcycle and scooter operation, the Yuasa YB9-B features a high-impact polypropylene case designed to help protect internal components from vibration, road shock, and routine riding stress. Its radial grid construction supports efficient electrical conductivity while helping reduce internal resistance for responsive energy transfer. The translucent case allows convenient visual inspection of electrolyte levels, making routine battery maintenance easier.
Feature: Yumicron construction with additional plates per cell for up to 30 percent improved cranking performance
Feature: High-impact polypropylene case helps resist vibration, road shock, and everyday powersports wear
Feature: Radial grid design supports strong conductivity and efficient starting power
Feature: Translucent case makes electrolyte level checks quick and convenient
Feature: 12-volt conventional battery design for compatible motorcycles, scooters, and vintage street machines
The Yuasa Battery YB9-B is designed for dependable fitment across a range of Honda applications, including the 1974 Honda CL200 Scrambler; 1978 and 1979 Honda CB400TI Hawk I; 1981 Honda CM200T Twinstar; 1982 and 1983 Honda CM250C Custom; 1984 Honda CH125 Elite; and 1985 and 1986 Honda CH150D Elite Deluxe. Verify vehicle fitment and battery requirements before installation, and follow the manufacturer’s charging, filling, and maintenance procedures for best results.

Features:

• Yumicron construction with additional plates per cell for up to 30 percent improved cranking performance

• High-impact polypropylene case helps resist vibration, road shock, and everyday powersports wear

• Radial grid design supports strong conductivity and efficient starting power

• Translucent case makes electrolyte level checks quick and convenient

• 12-volt conventional battery design for compatible motorcycles, scooters, and vintage street machines

Fitment:
Aprilia RS 125 Base 1996
Aprilia RS 125 Base 1997
Aprilia RS 125 Base 1998
Aprilia RS 125 Base 1999
Aprilia RS 125 Base 2000
Aprilia RS 125 Base 2001
Aprilia RS 125 Base 2002
Aprilia RS 125 Base 2003
Aprilia RS 125 Base 2004
Aprilia RS 125 Base 2005
Aprilia RS 125 Base 2006
Aprilia RS 125 Base 2007
Aprilia RS 125 Base 2008
Aprilia RS 125 Base 2009
Aprilia RS 125 Base 2010
Aprilia Sportcity 125 Base 2008
Aprilia Sportcity 125 Base 2009
Aprilia Sportcity 125 Base 2010
Aprilia Sportcity 125 Base 2011
Aprilia Sportcity 250 Base 2008
Aprilia Sportcity 250 Base 2009
Aprilia Sportcity 250 Base 2010
Aprilia Sportcity 250 Base 2011
Aprilia Sportcity 50 Base 2009
Aprilia Sportcity 50 Base 2010
Aprilia Sportcity 50 Base 2011
Aprilia Sportcity Cube 250 Base 2009
Aprilia SR 50 Base 2012
Aprilia SR 50 Base 2013
Honda CB400TI Hawk I Base 1978
Honda CB400TI Hawk I Base 1979
Honda CH125 Elite Base 1984
Honda CH150D Elite Deluxe Base 1985
Honda CH150D Elite Deluxe Base 1986
Honda CL160 Scrambler Base 1966
Honda CL200 Scrambler Base 1974
Honda CM200T Twinstar Base 1981
Honda CM200T Twinstar Base 1982
Honda CM250C Custom Base 1982
Honda CM250C Custom Base 1983
Honda VTR250 Interceptor Base 1988
Honda VTR250 Interceptor Base 1989
Honda VTR250 Interceptor Base 1990
Kawasaki BN125 Eliminator Base 2001
Kawasaki BN125 Eliminator Base 2002
Kawasaki BN125 Eliminator Base 2003
Kawasaki BN125 Eliminator Base 2004
Kawasaki BN125 Eliminator Base 2005
Kawasaki BN125 Eliminator Base 2006
Kawasaki BN125 Eliminator Base 2007
Kawasaki BN125 Eliminator Base 2008
Kawasaki BN125 Eliminator Base 2009
Piaggio Fly 150 Base 2009
Piaggio Fly 150 Base 2010
Piaggio Fly 150 Base 2011
Piaggio Fly 150 Base 2012
Piaggio Fly 150 Base 2013
Piaggio Fly 50 Base 2009
Piaggio Fly 50 Base 2010
Piaggio Fly 50 Base 2011
Piaggio Fly 50 Base 2012