Honda BF50 (5HP), BF5A Outboard Motors Shop Manual 2014, Page 9Get this manual
BF50BF5A
Item Connecting rod Small end 1.0Big end radial clearance Big end axial clearance Crankpin D.OJournal 0.0(at oil pan) 1.0Oil pantocrankshaft clearance 18.005 mm (0.7089 in) 0.04-0.063 mm (0.0016-0.0025 in) 0.1-0.7 mm (0.004-0.028 in) 29.98 mm (1.180 in) 24.993 mm (0.9840 in) 25.013 mm (0.9848 in) 0.020-0.046 mm (0.0008-0.0018 in) 11.984 mm (0.4718 in) 12.984 mm (0.5112 in) 12.00 mm (0.472 in) 13.00 mm (0.512 in) 12.984 mm (0.5112 in) 13.00 mm (0.512 in) 0.016-0.045 mm (0.0006-0.001S in) 0.1-0.9 6.3-1.1 kn 0.4 0.2 mm (0.02 0.01 in)
Service Limit 18.04 mm (0.710 in) 0.08 mm (0.003 in) 1.00 mm (0.039 in) 29.95 mm (1.179 in) 24.97 mm (0.983 in) 25.04 mm (0.986 in) 0.07 mm (0.003 in) 11.95 mm (0.410 in) 12.95 mm (0.510 in) 12.04 mm (0.474 13.04 mm (0.513 in) 12.95 mm (0.510 in) 13.04 mm (0.513 in) 0.09 mm (0.004 in)
Crankshaft Oil pan Propeller shaft