2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 340Get this manual
BRAKE SYSTEM Remove the brake cam
BRAKE CAM Disconnect the breather hose from the brake panelRemove the brake panel nuts and discard themRemove the brake panelRemove the O-ring from the brake panel grooveBREATHER HOSE
BRAKE PANEL
NUTS BRAKE PANEL BEARING REPLACEMENT Turn the inner race of the bearing with your fingerThe bearing should turn smoothly and quietlyAlso check that the outer race of the bearing fits tightly in the brake panelReplace it if necessaryCheck the dust seal for wear or damage