2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 315Get this manual
REAR DRIVING MECHANISM Install the collar onto the left side of the axleApply molybdenum disulfide grease to the left end splines
Apply grease to the threads and seati ng surface of the hub nutInstall the wheel hub and nutWhile holding the wheel hub securelytighten the nut to the specified torque and further tighten until its grooves align with the cotter pi hole