K&S Technologies 12-0102P Yamaha YZ/YZF Style Engine Kill Switch Yamaha YZ/YZF style kill switch replaces OEM item number: 1C3-83976-00-00 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 Identical to stock OEM design and quality