Yuasa 6N4A-4D Conventional 6-Volt Battery

Power up your vintage ride with the dependable performance of the 6N4A-4D Conventional 6-Volt Battery. Specially engineered to meet the unique electrical demands of classic mopeds, lightweight motorcycles, and vintage scooters, this traditional 6-volt flooded lead-acid battery provides smooth voltage delivery and reliable starting power. Built with specialized thin separators between internal plates, packs maximum energy capacity into a compact footprint so your engine fires quickly when you drop the kickstart. Designed to stand up to the rigors of classic riding, the 6N4A-4D features a rugged casing built to insulate internal components against intense engine vibration and chassis shock. Heavy-duty through-partition connectors create a shorter internal electrical path between cells, effectively reducing resistance to boost cranking output. Complete with specially engineered terminal post seals that resist acid seepage and power-robbing corrosion, this compact battery offers the long-lasting electrical strength vintage enthusiasts rely on to keep original machines performing at their best.

• 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

Restore dependable starting performance to your classic motorcycle, moped, or vintage scooter with the Yuasa 6N4A-4D Conventional 6-Volt Battery, part number YUAM26A4B. This traditional flooded lead-acid battery is engineered for vintage powersports applications that require reliable voltage delivery and consistent cranking power. Its compact design makes it well suited for original equipment replacement on classic machines, including select Yamaha XT125, XT200, RS100, RD60, and YG1 models.
The Yuasa 6N4A-4D uses specialized thin separators that allow additional plates to be installed in each cell, increasing available cranking performance by up to 30 percent compared with conventional designs. Heavy-duty through-partition connectors shorten the internal electrical path between cells, helping reduce resistance and improve starting output. These design features provide the dependable electrical strength needed for kick-start and battery-assisted ignition systems on vintage motorcycles and scooters.
Built for the demands of classic riding, this 6-volt battery features a rugged casing that helps protect internal components from engine vibration and chassis shock. Engineered terminal post seals help resist acid seepage and corrosion, supporting reliable connections and extended service life when properly maintained. The Yuasa 6N4A-4D is a practical replacement choice for enthusiasts who want durable construction and dependable performance while preserving the electrical specifications of an original vintage application. Always verify terminal configuration, battery fitment, charging-system requirements, and vehicle application before installation.

Features:

• Application: Designed for classic mopeds, lightweight motorcycles, and vintage scooters using a 6-volt electrical system

• Cranking Performance: Thin separators allow additional plates per cell for up to 30 percent improved cranking performance

• Internal Construction: Heavy-duty through-partition connectors help reduce resistance and enhance starting output

• Durability: Rugged casing helps protect internal components against vibration and chassis shock

• Corrosion Protection: Sealed terminal posts help resist acid seepage and power-robbing corrosion

• Battery Type: Conventional flooded lead-acid powersports battery requiring proper maintenance and installation

Fitment:
Yamaha CT2 Base 1972
Yamaha G6S Base 1970
Yamaha G6S Base 1971
Yamaha G7S Base 1972
Yamaha Lt2 Base 1972
Yamaha Lt2M Base 1972
Yamaha RD60 Base 1973
Yamaha RD60 Base 1974
Yamaha RD60 Base 1975
Yamaha RS100 Base 1975
Yamaha RS100 Base 1976
Yamaha XT125 Base 1982
Yamaha XT125 Base 1983
Yamaha XT200 Base 1982
Yamaha XT200 Base 1983
Yamaha YG1 Base 1963
Yamaha YG1 Base 1964
Yamaha YG1 Base 1965
Yamaha YG1 Base 1966