K&S Technologies 12-0102 Yamaha YZ Style Engine Kill Switch Yamaha YZ style kill switch replaces OEM item numbers: 23X-83976-00-00/22W-83976-00-00 Replace a worn out or non-working dirt bike kill switch with this OEM replacement kill button 28 inches long direct two wire plug-in into the stock wiring harness Fits 7/8 handlebars Kill switch is normally open and provides a connection to ground when operated