Yamaha Engine Stop Switch Assy - 7XC-H2550-10-00. Reliable Control with the Yamaha Engine Stop Switch Assy - 7XC-H2550-10-00. The Yamaha Engine Stop Switch Assy - 7XC-H2550-10-00 is a vital component for ensuring safe and efficient operation of your Yamaha engine. Designed for seamless integration, this engine stop switch allows you to quickly and effectively stop the engine in case of emergency or when the vehicle is idle. With its high-quality build, it guarantees long-lasting performance and