Yamaha WRF/TTR Type Kill Switch, 2-Wire With Connector Block, Wire Length 13", Plugs Directly Into Wiring Harness, Normally Open Circuit, And Closed (Grounded) Circuit When Pressed. Oem Ref. 5Um-83976-E1-00, 5Um-83976-E0-00, 5Tj-83976-00-00, 5Tj-83976-01-00, Fits Wr250F(03-09), Wr250F(11-15). Wr450F(03-09) Wr450F(11-15), Tt-R230(05-09), (11-15)