The TruGel MG9B-4 distributed by Bike Master is a Sealed Gel motorcycle and small engine battery.
The MG9B-4 battery comes with a 24 Mo. free replacement manufacturer warranty. It has 90 cold cranking amps (CCA) and its rated capacity is 8 amp hours (AH). This is a 12V battery. Some of the competing brands for this part number include: MBT9B4,UT9B-4,UT9B-BS.
The original equipment (OE) battery found in many power sport vehicles that most closely relates to this one is the Yuasa YT9B-BS.