Triumph Speed Triple T509 Battery
1997–2002. Triumph changed the Speed Triple T509'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.
2002 Triumph Speed Triple T509
- OEM battery
- YTX14-BSYuasa 2026 OEM guide
- Case family
- YTX1412V starter case
- Fits all years
- 1997–2002same case every year on file
The Triumph Speed Triple T509 takes the YTX14-BS case. The Antigravity ATX12 RE-START is a drop-in for that case: 360 cranking amps, 3 lb, a built-in jump start that saves enough charge to get you home.
See the Antigravity ATX12
Speed Triple T509 battery by model year
| Model years | OEM battery | Where it comes from | Lithium that fits |
|---|---|---|---|
| 1997–1998 | OEM batteryATX1212V starter case | Where it comes fromManufacturer fitment list | Lithium that fitsAntigravity ATX12 RE-START →Antigravity ATX12-HD RE-START → |
| 1999–2002Your year · 2002 | OEM batteryYTX14-BS12V starter case | Where it comes fromYuasa 2026 OEM guideAntigravity fitment list agrees | Lithium that fitsAntigravity ATX12 RE-START →Antigravity ATX12-HD RE-START →Ionic S4 → |
Trim covered: Speed Triple T509.
Shop all Triumph batteriesWhy the year matters on this one
The Speed Triple T509 is a motorcycle where the battery changed mid-run: 1997 to 1998 takes the ATX12 and 1999 to 2002 the YTX14-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 1999 to 2002 that means the Antigravity ATX12 RE-START: 360 cranking amps, 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.