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Yamaha Jog 50 Battery

1990–2001. Yamaha changed the Jog 50's battery once across the run. Pick your year and we show the case that year takes and the lithium that fits it. Change any box in the strip to look up another bike.

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2001 Yamaha Jog 50

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OEM battery
YTX4L-BSYuasa 2026 OEM guide
Case family
YTZ712V starter case
Fits all years
1990–2001same case every year on file

The Yamaha Jog 50 takes the YTX4L-BS case. The Antigravity ATZ-7 RE-START is a drop-in for that case: 150 cranking amps, 1.3 lb, a built-in jump start that saves enough charge to get you home.

See the Antigravity ATZ-7
Fits your bike
150CA
Antigravity ATZ-7 12V Motorcycle Battery 150CA (w/ Re-Start)StarterYTZ7
Antigravity

Antigravity ATZ-7 12V Motorcycle Battery 150CA (w/ Re-Start)

12V·150CA·1.3 lb
RE-START
$145
$230Save $85
3-yr warranty · Ships in 3-5 days

Jog 50 battery by model year

1990–1991OEM batteryYB4L-B12V starter caseWhere it comes fromYuasa 2026 OEM guideAntigravity fitment list agreesLithium that fitsAntigravity ATZ-7 RE-START →
1992–2001Your year · 2001OEM batteryYTX4L-BS12V starter caseWhere it comes fromYuasa 2026 OEM guideAntigravity fitment list agreesLithium that fitsAntigravity ATZ-7 RE-START →

2 trims covered: Jog 50 CG50, Jog 50 CY50.

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Why the year matters on this one

The Jog 50 is a motorcycle where the battery changed mid-run: 1990 to 1991 takes the YB4L-B and 1992 to 2001 the YTX4L-BS. The plate above names the source for each year, and the table shows every run we have on file, so match the year to the case before you order.

For 1992 to 2001 that means the Antigravity ATZ-7 RE-START: 150 cranking amps, 1.3 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 Jog 50 take?+
It depends on the year: 1990 to 1991 takes the YB4L-B and 1992 to 2001 the YTX4L-BS. For 1992 to 2001 that is the Antigravity ATZ-7 RE-START, the lithium drop-in for the YTX4L-BS case. The table above shows every run we have on file, so match your year to the case before you order.
Will a lithium battery work in a Jog 50 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.