The engine start stop kill button switch is easy to mount on the handlebar, fast assembly without tool The engine kill stop switch lanyard is extendable and flexible, with flexible cord tether. This kill switch key rope is use for emergency insurance. Racing Safety & Durable, easy install, Waterproof and light weight, for maximum durability. It is a kill switch with 2 PCS safety tether,Used to cut off the power/ignition of the outboard engine The engine start stop kill button switch with lanyard fit most ATVS and motorcycles, lawn mowers or outboard motors without battery & electric start Stylemafia Universal Boat Outboard Lanyard Engine Motor Kill Urgent Stop Switch/Safety Lanyard Tether Cord 2 pcs Compatible with YamahaTohatsu Honda Outboard Motors, ATV Boat Bike