2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 200Get this manual
FRONT WHEElIBRAKESUSPENSIONSTEERING Install the breaker arm assembly over the center shaft and adjust the upper rim supports to fit the outside rim diameterInstall the top hold down nut and tighten It finger tight
FaIlure ro back our the breaker shoe two rums will cause the shoe to scratch the bead loc(which may cause he rire to leak
Pull the leverage bar down so the breaker shoe is just below the rim lipTurn the crank to fully push the breaker shoe between the tire bead and rimOnce the shoe contacts the rim, back the crank out two turns to allow the shoe to clear the rim's bead lock
Push down on the leverage bar to push the tire bead over the bead lockUse only short strokes on the handleWhile the shoe is still engaged, turn the wheel as far as it will go between strokes as you break the bead around the rimRemove the breaker arm assembly and flip the wheel overInstall the breaker arm assemblyadjust the shoe properly and break the other bead by following the above proceduresRemove the tire from the rim using tire changing machine or tire irons and rim protectors