1998-2004 Honda Foreman 450 factory service manual, Page 139Get this manual
CYLINDER HEADCYLINDERPISTON CYLINDER HEAD REMOVAL Remove the timing hole capTurn the crankshaft with the recoil starter and align the "T" mark on the flywheel with the index mark on the rear crankcase coverMake sure the piston is at TOC of the compression stroke by moving the rocker arms If it the rocker arms are tight, turn the crankshaft one full turn and realign the ''T'' mark with the index mark
Remove the following:Exhaust pipe (page 2-15)Carburetor (page 5-5)Spark plug cap Remove the bolts and carburetor insulatorRemovethe upper engine hanger bolts, bracket bolts and engine hanger