SOLVED: 2006 Yamaha XT 125 X fuse box location - Fixya Aug 28, 20122006 Yamaha XT 125 X fuse box location. Horn is not working and I need to change the fuse Posted by Anonymous on Aug 28, 2012. Want Answer 0. Clicking this will make more experts see the question and we will remind you when it gets answered. 2006 Yamaha XT 125 X speedo is not working properly. SOLVED: Yamaha XT 125 Fuses - Fixya Sep 05, 2012Yamaha XT 125 Fuses Ive taken all the plastic fairings off removed the seat and tank found one fuse on the battery but cant find any more fuses there is a ecu near battery and solanoid on the left under riders left leg along seat but no sign of a fuse box.