2007-2009 Honda TRX300EX TRX300X service manual, Page 244Get this manual
FRONT WHEELSUSPENSIONSTEERING SPHERICAL BEARING REPLACEMENT Clean any grease from the arm pivot thoroughlyRemove the stopper ringsSTOPPER RING
Press the spherical bearing out of the arm using the special tool
Spherical bearing driver
07HMF-HC00100 (not available in U.S.A use suitable collar)
Install new stopper ring into the inside groove in the pivot securelyCarefully press in new bearing until it contacts the stopper ring, using the same toolInstall new stopper ring into the opposite side groovePack (0.1 oz) of grease into the arm pivot as shown"