Yamaha SMA-8JP81-00-00 - Engine Stop Tether is an accessory designed to stop the engine if you become separated from your snowmobile. It attaches to your jacket D-ring for safety.

Product Overview

• Yamaha part number: SMA-8JP81-00-00
• Product name: Engine Stop Tether
• Product type: Accessory
• Product category: Safety Gear
• Supported vehicle families: SIDEWINDER, SRVENTURE, VIPER
• Listed model years: 2018-2023, 2025
• Listed configurations: 21
• Weight: 0.3 lbs
• Dimensions: 6.2x5.5x1.5 inches

Fits These Yamaha Models

Yamaha Model	Compatible Years
SIDEWINDER B-TX	2018
SIDEWINDER B-TX LE	2018-2021
SIDEWINDER L-TX	2018-2022, 2025
SIDEWINDER L-TX LE	2018-2022, 2025
SIDEWINDER M-TX 153	2018
SIDEWINDER M-TX 162	2018
SIDEWINDER M-TX LE 153	2018, 2025
SIDEWINDER M-TX LE 162	2018-2019
SIDEWINDER R-TX	2018
SIDEWINDER S-TX	2018, 2021, 2025
SIDEWINDER SRX LE	2019, 2021
SIDEWINDER X-TX	2018-2022, 2025
SIDEWINDER X-TX LE	2019-2021, 2025
SIDWINDER R-TX LE	2018
SRVENTURE	2018
VIPER L-TX	2018-2023, 2025
VIPER L-TX LE	2018
VIPER R-TX	2018
VIPER X-TX	2018

Frequently Asked Questions

What is Yamaha part SMA-8JP81-00-00?

SMA-8JP81-00-00 is the Yamaha Engine Stop Tether, an accessory that stops the engine if separated from the snowmobile.

Is SMA-8JP81-00-00 a Yamaha accessory?

Yes, SMA-8JP81-00-00 is classified as an accessory designed for snowmobile safety.

Which Yamaha models fit SMA-8JP81-00-00?

This Engine Stop Tether fits select SIDEWINDER, SRVENTURE, and VIPER models from 2018 through 2023 and 2025. Review the fitment table for exact models and years, and verify your 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.