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Suzuki RF900 Battery

1994–1997. The OEM battery case the RF900 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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Make
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1997 Suzuki RF900

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OEM battery
YTX9-BSYuasa 2026 OEM guide
Case family
YTZ1012V starter case
Fits all years
1994–1997same case every year on file

The Suzuki RF900 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

RF900 battery by model year

1994–1997Your year · 1997OEM 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: RF900.

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What the RF900 needs, in plain English

Every RF900 from the first 1994 model through 1997 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 RF900 take?+
The YTX9-BS case, the same one on every RF900 from 1994 to 1997. The Antigravity ATZ-10 RE-START is the lithium drop-in for it.
Will a lithium battery work in an RF900 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.