2003-2006 Kawasaki KFX400 service manual, Page 130Get this manual
OIL PUMP
Before mounting the oil pump, apply engine oil to the sliding surfaces of the oil pump case, outer rotor, inner rotor, and crankcase
Apply small quantity of THREAD LOCK "1342" or THREAD LOCK SUPER "1322" to the oil pump mounting screws, and then tighten them securely99000-32050: THREAD LOCK "1342" (USA) 99000-32110: THREAD LOCK SUPER "1322" (Others)