K&S Technologies 12-0105 Yamaha WR Style Engine Kill Switch Yamaha WR style kill switch replaces OEM item numbers: 5TJ-83976-00-00/5TJ-83976-01-00/5UM-83976-E0-00/5UM-83976-E2-00 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