1998-2004 Honda Foreman 450 factory service manual, Page 93Get this manual
LUBRICATION SYSTEM Route and install the breather tube properly and secure it with the clamp
Connect the cooling fan motor connectors and secure the wire with the clampsInstall the removed parts in the reverse order of removal
OIL PUMP
REMOVALDISASSEMBL V
Remove the front crankcase cover (page 8-3)Remove the centrifugal clutch (page 8-4)Remove the dowel pin and O-ring if it is still in the oil pumpRemove the three bolts and oil pump assembly