Yamaha Start Switch, 2 Wire With Connector Block, Oem Ref 5Tj-83976-10-00, 5Jt-83976-11-00, 5Jt-83976-12-00, 5Jt-83976-13-00, Fits WR250F/WR450F 2003-2015, TT-R230 And Other Electric Start TT-R Models.