Honda BF115A, BF130A Outboard Motors Shop Manual., Page 216Get this manual
HONDA BF115A-130A
4) Thoroughly clean the cylinder head to remove any cutting
residue5) Check the valve guide bore; it should be straight, round and
centered in the valve guide, insert the valve and check operationIf the valve does not operate smoothly, the guide may have been bent during installationReplace the valve guide if it is bent or damaged6Check the Valve Guide-to-Stem ClearanceSee page 9-16