Honda 2004 Odyssey Service Manual page 219

Cylinder Head
Valve Seat Reconditioning (cont'd)
8. Insert the intake and exhaust valves in the head and
measure the valve stem installed height (A).
Intake Valve Stem Installed Height
Standard (New): 46.75 47.55 mm
(1.841 1.872 in.)
Service Limit: 47.80 mm (1.882 in.)
Exhaust Valve Stem Installed Height
Standard (New): 46.68 47.48 mm
(1.838 1.869 in.)
Service Limit: 47.73 mm (1.879 in.)
9. If the valve stem installed height is over the service
limit, replace the valve and recheck. If it is still over
the service limit, replace the cylinder head; the
valve seat in the head is too deep.
6-52
A