Honda BF9.9A-BF15A Outboard Motors Shop Manual., Page 82Get this manual
HONDA BF9.9A-BF15A
bINSPECTION CYLINDER I.DStandard 58.0 mm (2.28 in) Service limit 58.055 mm (2.2856 in)
PISTON SKIRT O.DStandard 57.985 mm (2.2829 in)
Service limit 57.92 mm (2.280 in)
CYLINDER-TO-PISTON CLEARANCE
Standard 0.01 5-0.050 mm (0.0006-0.0020 in)
Service limit 0.1 mm (0.0039 in)
PISTON PIN BORE I.DStandard 14.002 mm (0.05513 in) Service limit 14.02 rnrn (0.552 in)