Kawasaki Ninja 250R Battery
1986–2012. Kawasaki changed the Ninja 250R's battery three times 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.
2012 Kawasaki Ninja 250R
- OEM battery
- YTX9-BSYuasa 2026 OEM guide
- Case family
- YTZ1012V starter case
- This battery fits
- 2008–2012other years take a different case
The Kawasaki Ninja 250R 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
Ninja 250R battery by model year
| Model years | OEM battery | Where it comes from | Lithium that fits |
|---|---|---|---|
| 1986–1994 | OEM batteryYB9L-A212V starter case | Where it comes fromYuasa 2026 OEM guideAntigravity fitment list agrees | Lithium that fitsAntigravity ATZ-7 RE-START → |
| 1995–2007 | OEM batteryYTX7L-BS12V starter case | Where it comes fromYuasa 2026 OEM guideAntigravity fitment list agrees | Lithium that fitsAntigravity ATZ-7 RE-START → |
| 2008 | OEM batteryYTX7A-BS12V starter case | Where it comes fromYuasa 2026 OEM guideAntigravity fitment list agrees | Lithium that fitsAntigravity ATZ-10 RE-START →Antigravity ATZ-10-HD RE-START → |
| 2009–2012Your year · 2012 | OEM batteryYTX9-BS12V starter case | Where it comes fromYuasa 2026 OEM guideAntigravity fitment list agrees | Lithium that fitsAntigravity ATZ-10 RE-START →Antigravity ATZ-10-HD RE-START →Ionic S4 → |
Trim covered: Ninja 250R.
Shop all Kawasaki batteriesWhy the year matters on this one
The Ninja 250R is a motorcycle where the battery changed mid-run: 1986 to 1994 takes the YB9L-A2, 1995 to 2007 the YTX7L-BS, 2008 the YTX7A-BS and 2009 to 2012 the YTX9-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 2009 to 2012 that means 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.