1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 60Get this manual
AIR CLEANER HOUSING DRAIN TUBE Remove the drain plug from the ai deaner housing to empty any depositsInstall the drain plug and clip
Service more frequently wben riding in wet or muddyarea s
SPARK PLUIG
Disconnect the spark plug cap and remove the spark plug
SPARK PlU'G CAP
Clean around the spark plug base with oomp ressed air before removing, and be sure that no debris is -a llowed to enrertne combustion chamber
Remove the spark lug andi n,spect or r, -place as describe,d il"l the maintenance schedulle