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Suzuki GSF400 Bandit Battery

1991–1993. The OEM battery case the GSF400 Bandit 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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1993 Suzuki GSF400 Bandit

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OEM battery
YTX9-BSYuasa 2026 OEM guide
Case family
YTZ1012V starter case
Fits all years
1991–1993same case every year on file

The Suzuki GSF400 Bandit takes the YTX9-BS case. The Antigravity ATZ-10 RE-START is a drop-in for that case: 360 cranking amps, 2.6 lb, a built-in jump start that saves enough charge to get you home.

See the Antigravity ATZ-10

GSF400 Bandit battery by model year

1991–1993Your year · 1993OEM batteryYTX9-BS12V starter caseWhere it comes fromYuasa 2026 OEM guideAntigravity fitment list agreesLithium that fitsAntigravity ATZ-10 RE-START →Antigravity ATZ-10-HD RE-START →Ionic S4 →

Trim covered: GSF400 Bandit.

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What the GSF400 Bandit needs, in plain English

Every GSF400 Bandit from the first 1991 model through 1993 starts on the YTX9-BS case, a 12-volt starter battery. Suzuki 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 ATZ-10 RE-START: 360 cranking amps, 2.6 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 Suzuki GSF400 Bandit take?+
The YTX9-BS case, the same one on every GSF400 Bandit from 1991 to 1993. The Antigravity ATZ-10 RE-START is the lithium drop-in for it.
Will a lithium battery work in a GSF400 Bandit without changes?+
Yes, on a bike 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. Bikes older than about 2000 should have their voltage regulator and rectifier checked first, since a failing one overcharges any battery and lithium tolerates it less. Fill any gap in the tray with the foam spacers most lithium motorcycle batteries include.
Do I need a different charger for a lithium motorcycle 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.