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This 6N4-2A motorcycle battery is a Flooded Conventional type. This means you will need to add acid to the battery and then charge with an appropriate charger. It is open to the environment and can leak acid on your new chrome job if you lay your bike down or overcharge the battery. The Yuasa 6N4-2A motorcycle battery usually does not ship with the acid pack and acid will often need to be purchased locally. Some may refer to this battery by the manufacturer stock code which is YUAM2640B.
With few exceptions Yuasa Battery, Inc. is the original equipment manufacturer (OEM) of most all power sport battery applications. In fact Honda has been using Yuasa's batteries since 1979 and other major bike and power sport manufacturers such as Harley-Davidson, Kawasaki, Cannondale, Buell, and Polaris Victory, to name a few, have followed suit. This brand is used as the standard for which all other aftermarket replacement batteries must match. Some replacements may have higher CCA or AH while others may be slightly lower when comparing those specifications. All should match the dimensions closely and must match voltage and polarity exactly.
This battery is 6V and has and 4. It comes with a full 12 Mo. replacement warranty. Yuasa batteries are made either in Taiwan or the United States. Currently, the 6N4-2A is made in Taiwan.
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