2008-2010 Kawasaki KFX450R Factory Service Manual, Page 234Get this manual
ENGINE LUBRICATION SYSTEM 7-11 Oil Pressure Relief Valve
Oil Pressure Relief Valve Removal
Remove: cover (see Right Engine Cover Removal in Right Engine
the Engine Right Side chapter) Remove the oil pressure relief valve [A]
Oil Pressure Relief Valve Installation
Apply non-permanent locking agent to the threads of oil pressure relief valve, and tighten itTorqueOil Pressure Relief Valve: 15 Nm (1.5 kgfm, 11 ftlb)