2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 231Get this manual
FRONT WHEElSUSPENSIONSTEERING Drive new bearing squarely into the frame unti it is fully seated
TOOLSDriver Attachment, 37 40 mm Pilot, 17 mm
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Instal the snap ri ng into th frame groove properly
Apply grease to new dust seal lips and install them into the frame