1985 Honda Odyssey 350 FL350R Shop Manual, Page 57Get this manual
CYLINDER HEADCYLINDERPISTON
CYLINDER HEAD
REMOVAL
Disconnect the spark plug capRemove the seven cylinder head nutsNOTE To avoid warping the cylinder head, use crisscross pattern to loosen each nut about 114 turn at time, then remove the nutsRemove the cylinder head
Remove the gasket from the cylinder
INSPECTION
Remove the spark plug from the cylinder headCheck the cylinder head for warparge with the straight edge and feeler gauge as shown