Honda BF9.9A-BF15A Outboard Motors Shop Manual., Page 70Get this manual
HONDA BFS.SABF15A
VALVE ROCKER ARM SHAFT O.D
Standard 12.968 mm (0.5106 in)
Service limit 12.92 mm (0.5087 in)
a VALVE ROCKER ARM I.DStandard 13.0 mrn (0.51 18 in) Service limit 13.04 mm (0.5133 in)
O PUMP BODY I.D
Standard 29.10 mm (1.146 in)