2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 443Get this manual
LIGHTSMETERSSWITCHES
HEADLIGHT
BULB REPLACEMENT
Remove the screw and headlight case cover capHEADLIGHT COVER CAP SCREW
Remove the dust coverRemove the bulb socket and bulb
DUST COVER