Honda BF115A, BF130A Outboard Motors Shop Manual., Page 210Get this manual
HONDA BF115A-130A
3INSPECTION
VALVE SPRING FREE LENGTH
Measure the free length of the valve springsSTANDARD SERVICE LIMIT
53.66 (2.113 in) 55.58 (2.188 in)
Replace the springs if they are shorter than the service limit (P9-91,
VALVE FACESTEM O.DInspect each valve face for pitting or wear irregularitiesInspect each valve stem for bending or abnormal stem wearReplace the valve if necessaryMeasure and record each valve stem O.DSTANDARD IN
SERVICE LIMIT 5.455 mrn (0.2148 in) 5.420 mm (0.2134 in)