2008-2010 Kawasaki KFX450R Factory Service Manual, Page 156Get this manual
COOLING SYSTEM 4-13 Water Pump
Impeller Removal
Drain: (see Coolant Draining) Coolant Remove: Water Pump Cover (see Water Pump Cover Removal)
Impeller Bolt [A] Impeller [B]
Impeller Installation
Install: [A] Impeller Tighten: