1998-2004 Honda Foreman 450 factory service manual, Page 323Get this manual
FRONT DRIVING MECHANISM If the differential housing, cap and face cam are faulty, replace the differential as an assembly
DIFFERENTIAL COMPONENTS INSPECTION (After '01)
DIFFERENTIAL CAP
Check the sliding surface of the cap for damage or discolorationMeasure the depth of the cap from the mating surface as shownSERVICE LIMIT: 9.55 mm (0.376 in)
DIFFERENTIAL HOUSINGFACE CAM CAM FOLLOWER
Check the sliding surface and grooves of the housing for damage or discoloration
Replace the cam followers as set (12 pieces)