2001-2014 Honda BF/BFP8D, BF/BFP9.9D Outboards Shop Manual, Page 166Get this manual
BFBO-SFS.SO CYLINDER HEAD
1) Remove the carbon deposits from the combustion chamber2) Check the spark plug hole and valve area for cracks3) Check the cylinder head for warpage with straight edge and feeler gaugeStandard 0.05 mm (0 .002 in) maxService limit 0.10 mm (0 .004 in)
4) Measure and record the camshaft journaII.D Standard Service limit 20 .05 mm (0 .789 in)
20.00020.021 mm (0.7 8740.7882 in)
5) Calculate the camshaft-to-cylinder head clearance Standard 0.0200.062 mm (0.00080.0024 in) Service limit 0.08 mm (0 .003 in)