2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 149Get this manual
COOLING SYSTEM Disconnect the bypass hoses from the water pumpRemove the three bolts and water pumpWATER PUMP
BYPASS (AIR BLEED) HOSE
BOLTS Remove the water joint pipe and O-rings
JOINT PIPE
DISASSEMBLYASSEMBLY
Remove the two bolts and separate the water pump cover and water pump bodyRemove the O-ringInstall new O-ring and assemble the water pump cover and water pump bodyInstall and tighten the two boltsO-RING WATER PUMP BODY