Ducati Paso 906 Battery

1990. The OEM battery case the Paso 906 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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1990 Ducati Paso 906

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OEM battery: YTX20-BSYuasa 2026 OEM guide
Case family: YTX2012V starter case
Fits all years: 1990same case every year on file

The Ducati Paso 906 takes the YTX20-BS case. The Antigravity ATX20 RE-START is a drop-in for that case: 680 cranking amps, 4 lb, a built-in jump start that saves enough charge to get you home.

See the Antigravity ATX20

Fits your bike

680CA

Starter

Antigravity

Antigravity ATX20 12V Motorcycle Battery 680CA (w/ Re-Start)

3-yr warranty · Free Shipping

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Paso 906 battery by model year

Model years	OEM battery	Where it comes from	Lithium that fits
1990Your year · 1990	OEM batteryYTX20-BS12V starter case	Where it comes fromYuasa 2026 OEM guide	Lithium that fitsAntigravity ATX20 RE-START →Antigravity ATX20-HD →Ionic S6 →

Trim covered: Paso 906.

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What the Paso 906 needs, in plain English

Every Paso 906 from the first 1990 model through 1990 starts on the YTX20-BS case, a 12-volt starter battery. Ducati 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 ATX20 RE-START: 680 cranking amps, 4 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 Ducati Paso 906 take?+

The YTX20-BS case, the same one on every Paso 906 from 1990 to 1990. The Antigravity ATX20 RE-START is the lithium drop-in for it.

Will a lithium battery work in a Paso 906 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.