2004-2005 Honda TRX450R Factory Sevice Manual, Page 122Get this manual
COOLING SYSTEM Dri ve new water pump shaft bea ri ng unt il it is ully seated using the special ool s
INSTALLATION
Install the water pump shaft into the right crankcase coverInstall the washer and impeller onto the water pump
shaftInstall the right crankcase cover (page 11-22)SHAFT