I replaced my motorcycle battery last week. It stopped holding a charge sometime this winter.

The amazing thing about this is that the battery was manufactured in 1997. That's right - ten years ago. It was the OEM YUASA YTX12-BS battery that was in the bike when I bought my Honda CBR1100XX new in 1998.

Complicating the situation: the UNGO motorcycle alarm that I had installed when I bought the motorcycle. During periods where the motorcycle was left unused, it could drain the battery fairly quickly, due to the standby current draw. Read  More...