2006-2014 Honda FourTrax ATV TRX250 EX TRX250X Service Manual, Page 227Get this manual
FRONT WHEELSUSPENSIONSTEERING Adjust the bottom rim supports to the proper rim sizeAlign the flat side of the support with the corresponding rim size indicatorUse only water as Lube the bead area of the tire with water, pressing lubricant when down on the tire sidewallbead area in several removing or places to allow the water to run into and around the mounting tiresbeadSoap or some mounting lubricants may leave slippery residue which can cause the tire to shift on the rim and lose tire pressure during ridingPlace the wheel assembly over the center shaft and
RIM SUPPORTS
use the correct size cone to keep the wheel centered during operationInstall the bottom hold down nut, bearing side down, and finger tighten it so the wheel can rotate freely during operation