1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 371Get this manual
LIGHTSMETERSSWITCHES
HEADLIGHT
BULB REPLACEMENT
Remove the SCJrew and headllgiht C81 coverse
Remove the dust coverRemove the bulb socket and bu lb
Install new bulb In the case, by aligning the bul b
ta with the case gro,QveInstall the bulb socketthe dust cove with its "TOP" mark facing up