1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 333Get this manual
REAR DRIVING MECHANISM
REAR AXLE INSTALLATION
App ly grease to the axle splines 20 mm (0.8 in)
10mm {O.4 in}
Insta ll the rear axle from the right side while aligning the splines of the fin al drive
Instal a, new Odng on the brake panelApply grease to the O-ring