2008-2010 Kawasaki KFX450R Factory Service Manual, Page 143Get this manual
3-86 FUEL SYSTEM (DFI) Fuel Tank
[A] Insertuntil the fuel hose joint [B] straight onto the delivery pipe the hose joint clicksPush the joint lock [C]
and pull hose joint [B] forth more Push two times[A] themake sure it isback andand doesn't than and locked come off
WARNING