2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 357Get this manual
FRONT WHEELSUSPENSIONSTEERING Place the wheel assembly over the center shaft and 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 operationCENTER SHAFT NUT
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
BREAKER ARM ASSY
UPPER RIM SUPPORTS
Failure to back out the breaker shoe two turns will cause the shoe to scratch the bead lock, which may cause the tire to leak