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Yamaha Grizzly 300 Battery

2012–2013. The OEM battery case the Grizzly 300 takes, the lithium that drops into it, and every model year we have on file. One case across the whole run.

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2013 Yamaha Grizzly 300

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OEM battery
YTX12-BSYuasa 2026 OEM guide
Case family
YTX1212V starter case
Fits all years
2012–2013same case every year on file

The Yamaha Grizzly 300 takes the YTX12-BS case. The Antigravity ATX12 RE-START is a drop-in for that case: 360 cranking amps, 3 lb, a built-in jump start that saves enough charge to get you home.

See the Antigravity ATX12

Grizzly 300 battery by model year

2012–2013Your year · 2013OEM batteryYTX12-BS12V starter caseWhere it comes fromYuasa 2026 OEM guideLithium that fitsAntigravity ATX12 RE-START →Antigravity ATX12-HD RE-START →Ionic S4 →

2 trims covered: Grizzly 300, Grizzly 300 2x4.

Shop all Yamaha ATV batteries

What the Grizzly 300 needs, in plain English

Every Grizzly 300 from the first 2012 model through 2013 starts on the YTX12-BS case, a 12-volt starter battery. Yamaha ships it with a lead-acid battery that starts to fade after two or three seasons of short rides and off-season storage, and that is usually the day a rider goes looking for something better.

The lithium drop-in is the Antigravity ATX12 RE-START: 360 cranking amps, 3 pounds, the same case in lithium. Its RE-START function puts the battery to sleep before a parasitic draw can drain it, then wakes it with one press for a jump start. Charge it with a lithium-compatible charger or maintainer for the off-season and it outlasts the lead-acid battery it replaces by years.

What size battery does a Yamaha Grizzly 300 take?+
The YTX12-BS case, the same one on every Grizzly 300 from 2012 to 2013. The Antigravity ATX12 RE-START is the lithium drop-in for it.
Will a lithium battery work in a Grizzly 300 without changes?+
Yes, on a machine with a healthy charging system: the lithium battery uses the same case, the same posts and the same cables, and it drops in where the lead-acid battery sat. Check that the stator and regulator hold a steady charge, fill any gap in the tray with the foam spacers most lithium ATV batteries include, and match the terminal layout of the battery you are replacing.
Do I need a different charger for a lithium ATV battery?+
Use a charger or maintainer with a lithium (LiFePO4) mode. A lead-acid trickle charger can push the wrong voltage profile, and a desulfation mode can damage a lithium pack. A lithium-profile maintainer over the off-season keeps it topped without harm, and the battery loses only a few percent of charge a month sitting on its own.