Yamaha BTX-20H00-00-00 - Battery is a Yamaha Genuine accessory. This battery is a 12V 18.9Ah maintenance-free BTX20H battery for select Yamaha powersports vehicles.

---

Key Features & Benefits

• 12V 18.9Ah maintenance-free BTX20H battery.

---

Fits These Yamaha Models

• MOUNTAIN MAX 800 154 - 2021-2024
• MOUNTAIN MAX 800 165 - 2021-2022, 2024
• SIDEWINDER B-TX - 2018
• SIDEWINDER B-TX LE - 2018
• View More - see the Fitment tab for full compatibility details

---

Frequently Asked Questions

What is Yamaha part BTX-20H00-00-00?

BTX-20H00-00-00 is the Yamaha Battery, a 12V 18.9Ah maintenance-free BTX20H battery for select Yamaha powersports vehicles.

Does BTX-20H00-00-00 need to be activated?

No. It is maintenance free and spill proof, and does not require acid filling.

Which Yamaha models fit BTX-20H00-00-00?

Yamaha BTX-20H00-00-00 fits the MOUNTAIN MAX 800 154 (2021-2024), MOUNTAIN MAX 800 165 (2021-2022, 2024), SIDEWINDER B-TX (2018), SIDEWINDER B-TX LE (2018), plus 22 additional models. View the full fitment list in the Fitment tab to confirm your exact model and year before ordering.

---

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.