2006-2009 Suzuki LT-R450 Service Manual, Page 221Get this manual
COOLING AND LUBRICATION SYSTEM
WATER PUMP
REMOVAL AND DISASSEMBLY
NOTE: Before draining engine oil and engine coolant, inspect engine oil and coolant leakage between the water pump and crankcaseIf engine oil is leaking, visually inspect the oil seal and O-ringIf engine coolant is leaking, visually inspect the mechanical seal and seal washer(C?6-16)