2012 1000 no start

hey guys my kids outty 1000 wont start and it has THr on the bottom of guage.I have checked fuses,relays,3 big fuses at battery,unplugged the dobeck controller,pulled fuel line off and pumped fuel out,new plugs,took battey cables off and on…bike cranks good but no start…it was running yesturday for him….thxs