Honda BF50 (5HP) BF5A Outboard Motors Shop Manual., Page 53Get this manual
CONNECTING ROD SMALL END I.DSTANDARD SERVICE LIMIT
1 mm (0.7089in) 805
18.04mm (0.710 in)
CONNECTING ROD BIG END I.D
STANDARD
SERVICE LIMIT
CRANKPIN O.DSTANDARD mm (1 .I803in) 99