Snowmobile Tether Kill Switch with Safety Tether Cord Function and safety: Normally open twowire kill switch designed to shut off the motor if the rider falls off. The tether cord provides a reliable safety link that grounds and cuts the engine when pulled. Mounting and fit: 7/8 inch (22 cm) handlebar mount option for easy attachment to most handlebars. Waterproof construction: Built with ABS and nylon fiber inside; designed to resist water exposure for reliable operation in wet or snowy conditions. Universal compatibility: Fits most ATVs and motorcycles, and can be used with rideon lawn mowers or outboard motors that lack a battery or electric start. Easy installation: Simple handlebar mounting; normally open twowire switch with a circuit that closes when the tether is pulled, grounding and stopping the engine. Key benefits: Enhances rider safety by automatically stopping the engine upon separation, durable construction for durable outdoor use, and versatile compatibility across various machines. Use scenarios Snowmobile safety: Attach the tether to the rider; if you fall off, the engine immediately shuts down to prevent unintended operation. ATV or motorcycle use: Add a reliable kill switch to machines that do not rely on electric start, improving safety during rides. Lawn mower or outboard motor applications: Provides a straightforward kill switch for equipment without a battery start, helping to quickly stop the engine if needed.