2003-2006 Kawasaki KFX400 service manual, Page 173Get this manual
COOLING AND LUBRICATION SYSTEM
Install the new O-rings and Apply grease to the O-rings99000-25030: SUZUKI SUPER GREASE "A" (USA) 99000-25010: SUZUKI SUPER GREASE "A" (Others)
Install the water pump body with the impeller to the clutch cover