2004-2005 Honda TRX450R Factory Sevice Manual, Page 232Get this manual
FRONT WHEELSUSPENSIONSTEERING Push do wn on the leve rage bar to pu sh th ti re bead ove the bead lockUse only short st rokes on the handleWhile the shoe is st ill engagedturn the heel as far as it ill go between strokes as yo break the bead around the rimRem ove the break er arm assem bly and flip the heel overInst all the breake arm assembly, adjust the shoe properly and break the other bead by fol low ing he above procedu res-
-EVERAGE BAR
Remove the tire from the rim using tir chang ing achine or ire irons and rim pr otectors