Honda BF50 (5HP) BF5A Outboard Motors Shop Manual., Page 68Get this manual
BF500BI5A bINSPECTION PINION SHAFT O.DSTANDARD
12.984 mm (0.51 12 in)
SERVICE LIMIT
12.95 mm (0.510 in)
GEAR CASE BUSHING I.DSTANDARD
13.00 mm (0.512 in)
SERVICE LIMIT
13.04 mm (0.513 in)
PINION SHAFT-TO-BUSHING CLEARANCE
STANDARD
0.016-0.045 mm (0.0006-0.0018 in)