2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 226Get this manual
FRONT WHEELSUSPENSIONSTEERING Press the spherical bearing out of the arm using the special toolTOOL: Spherical bearing driver 07HMFHC00100 (not available in U.S.A use suitable collar)
In sta ll new stopper ring into the inside groove in the pivot securelyCarefully press in new bearing until it contacts the stopper ringusing the same toolInstall new stopper ring into the opposite side groovePack (0.1 shown of grease into th arm pivot as
Apply grease to new dust seal lips and install th em into the arm pivot un til they are flush with th pivot ends